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Bender Joel

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968
SEC CIK
0001701689

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Cactus, Inc.WHD · Entity 964Director · President · 10% ownerOctober 01, 2026October 02, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Cactus, Inc.

Report date October 01, 2026 · Filed October 02, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class B Common StockSEC Table I · non-derivativeIndirectSee Footnote9,061,249 Last balance in matching sequence After 2026-10-01 transaction · row 3 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
3 source rows

Row 1 · 2026-10-01 · Other · Disposed 100,000 · Balance 9,061,249

F1: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Row 2 · 2026-10-01 · Grant · Acquired 100,000 · Balance 9,161,249

F1: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Row 3 · 2026-10-01 · Disposition to issuer · Disposed 100,000 · Balance 9,061,249

F4: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Class A Common StockSEC Table I · non-derivativeDirect41,519 Ending reported balance After 2026-10-01 transaction · row 5
2 source rows · reconciled sequence

Row 4 · 2026-10-01 · Other · Acquired 100,000 · Balance 141,519

F5: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

Row 5 · 2026-10-01 · Sale · Disposed 100,000 · Balance 41,519

F6: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

UnitsSEC Table II · derivative / convertible securityIndirectSee Footnote9,061,249 Reported balance After 2026-10-01 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-10-01 · Other · Disposed 100,000 · Balance 9,061,249

F7: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

UnitsSEC Table II · derivative / convertible securityIndirectSee Footnote9,161,249 Reported balance After 2026-10-01 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-10-01 · Grant · Acquired 100,000 · Balance 9,161,249

F7: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

UnitsSEC Table II · derivative / convertible securityIndirectSee Footnote9,061,249 Reported balance After 2026-10-01 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-10-01 · Other · Disposed 100,000 · Balance 9,061,249

F7: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F10: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on October 1, 2026.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Filing footnotes · ownership attribution and instrument terms

F1: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

F4: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F5: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

F6: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

F7: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F10: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on October 1, 2026.

Transaction history

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Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · derivative · entry 8

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,061,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4 · kind: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F10 · price: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on October 1, 2026.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Read SEC document
October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 GrantUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F9 · price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

Read SEC document
October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · derivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,061,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · derivative.expiration_date: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · ownership.nature: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 100,000 $61.97 $6,197,300.00
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · nonDerivative · entry 5

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,519

F6 · shares: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 OtherClass A Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · nonDerivative · entry 4

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 141,519

F5 · kind: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

F5 · price: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

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October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 Disposition to issuerClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · nonDerivative · entry 3

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,061,249

F4 · price: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 GrantClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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October 01, 2026 Filed Oct 2, 2026 21:49 UTC Cactus, Inc. WHD · Entity 964 OtherClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-064682 · wk-form4_1790977779.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,061,249

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,061,249 shares of Class B Common Stock and 9,061,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · derivative · entry 8

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4 · kind: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F10 · price: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on September 1, 2026.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 GrantUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,261,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F9 · price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · derivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · derivative.expiration_date: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · ownership.nature: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 100,000 $70.37 $7,037,200.00
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · nonDerivative · entry 5

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,519

F6 · shares: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 OtherClass A Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · nonDerivative · entry 4

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 141,519

F5 · kind: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

F5 · price: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 Disposition to issuerClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · nonDerivative · entry 3

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

F4 · price: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 GrantClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,261,249

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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September 01, 2026 Filed Sep 2, 2026 21:47 UTC Cactus, Inc. WHD · Entity 964 OtherClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060204 · wk-form4_1788385642.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,161,249

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,161,249 shares of Class B Common Stock and 9,161,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 06, 2026 Filed Aug 10, 2026 21:21 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 25,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-055361 · wk-form4_1786396878.xml · derivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,261,249

Underlying: Class A Common Stock · 25,000 shares

Expires not disclosed

F4 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F5 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F5 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · derivative.expiration_date: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F1 · ownership.nature: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,261,249 shares of Class B Common Stock and 9,261,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 06, 2026 Filed Aug 10, 2026 21:21 UTC Cactus, Inc. WHD · Entity 964 OtherClass B Common Stock 25,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-055361 · wk-form4_1786396878.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,261,249

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Cactus Enterprises distributed to Steven Bender 25,000 Units and a corresponding number of shares of Class B Common Stock.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,261,249 shares of Class B Common Stock and 9,261,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · derivative · entry 8

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,286,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4 · kind: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F10 · price: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on August 3, 2026.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 GrantUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F9 · price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · derivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,286,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · derivative.expiration_date: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · ownership.nature: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 100,000 $63.89 $6,388,800.00
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · nonDerivative · entry 5

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,519

F6 · shares: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 OtherClass A Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · nonDerivative · entry 4

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 141,519

F5 · kind: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

F5 · price: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 Disposition to issuerClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · nonDerivative · entry 3

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

F4 · price: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 GrantClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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August 03, 2026 Filed Aug 5, 2026 14:12 UTC Cactus, Inc. WHD · Entity 964 OtherClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-052992 · wk-form4_1785939138.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 9,286,249

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,286,249 shares of Class B Common Stock and 9,286,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 30, 2026 Filed Aug 3, 2026 23:23 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 86,700 $57.62 $4,995,480.60
Disclosure

SEC source: 0001628280-26-052070 · wk-form4_1785799437.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,519

F1 · shares: The shares reported herein as sold represent the aggregate number of shares sold by Bender Investment Company pursuant to a Rule 10b5-1 trading plan. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · derivative · entry 8

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4 · kind: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F10 · price: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on July 27, 2026.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 GrantUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,486,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F9 · price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F8 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F9 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · derivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

F7 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F8 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F8 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F1 · derivative.expiration_date: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · ownership.nature: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 13,300 $55.07 $732,391.10
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · nonDerivative · entry 5

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,219

F6 · shares: The shares reported as sold represent the cumulative number of shares sold by Bender Investment Company. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 OtherClass A Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · nonDerivative · entry 4

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 141,519

F5 · kind: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

F5 · price: In connection with its redemption of Units, as described below, BIC acquired 100,000 shares of Class A Common Stock.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 Disposition to issuerClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · nonDerivative · entry 3

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

F4 · price: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 GrantClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,486,249

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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July 27, 2026 Filed Jul 29, 2026 22:18 UTC Cactus, Inc. WHD · Entity 964 OtherClass B Common Stock 100,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-050685 · wk-form4_1785363531.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,386,249

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F1 · price: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 100,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,386,249 shares of Class B Common Stock and 9,386,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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March 11, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionRestricted Stock Units · Derivative 8,285 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · derivative · entry 10

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,926

Underlying: Class A Common Stock · 8,285 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

F6 · derivative.exercise_date: On March 11, 2024, the reporting person was granted 24,857 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On March 11, 2024, the reporting person was granted 24,857 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

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March 11, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Tax withholdingClass A Common Stock 3,261 $48.56 $158,354.16
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,519

F2 · shares: Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.

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March 11, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionClass A Common Stock 8,285 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 5

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,780

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

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March 10, 2026 Filed Mar 11, 2026 22:42 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 106,809 $49.92 $5,331,905.28
Disclosure

SEC source: 0001628280-26-016941 · wk-form4_1773268939.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,793

F1 · shares: The shares reported as sold represent the cumulative number of shares sold by Bender Investment Company. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionRestricted Stock Units · Derivative 6,711 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · derivative · entry 9

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,211

Underlying: Class A Common Stock · 6,711 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

F5 · derivative.exercise_date: On March 10, 2025, the reporting person was granted 20,133 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On March 10, 2025, the reporting person was granted 20,133 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionRestricted Stock Units · Derivative 7,638 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · derivative · entry 8

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,922

Underlying: Class A Common Stock · 7,638 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

F4 · derivative.exercise_date: On March 10, 2023, the reporting person was granted 22,913 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: On March 10, 2023, the reporting person was granted 22,913 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 GrantRestricted Stock Units · Derivative 27,218 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,650

Underlying: Class A Common Stock · 27,218 shares

Expires not disclosed

F1 · derivative.exercise_price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

F3 · derivative.exercise_date: On March 10, 2026, the reporting person was granted 27,218 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: On March 10, 2026, the reporting person was granted 27,218 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Tax withholdingClass A Common Stock 2,641 $48.60 $128,352.60
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 4

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,495

F2 · shares: Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionClass A Common Stock 6,711 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 3

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,136

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Tax withholdingClass A Common Stock 3,006 $48.60 $146,091.60
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 2

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,425

F2 · shares: Represents shares withheld by the Company to satisfy tax withholding obligations upon the vesting of previously granted restricted stock units.

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March 10, 2026 Filed Mar 13, 2026 00:34 UTC Cactus, Inc. WHD · Entity 964 Exercise / conversionClass A Common Stock 7,638 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-017473 · wk-form4_1773362074.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,431

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Restricted stock units represent a contingent right to receive Class A common stock. Upon vesting, one share of Class A common stock will be delivered for each vested restricted stock unit.

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March 06, 2026 Filed Mar 11, 2026 22:42 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 29,228 $50.01 $1,461,692.28
Disclosure

SEC source: 0001628280-26-016941 · wk-form4_1773268939.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,602

F1 · shares: The shares reported as sold represent the cumulative number of shares sold by Bender Investment Company. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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March 05, 2026 Filed Mar 9, 2026 23:06 UTC Cactus, Inc. WHD · Entity 964 SaleClass A Common Stock 63,963 $50.74 $3,245,482.62
Disclosure

SEC source: 0001628280-26-016176 · wk-form4_1773097587.xml · nonDerivative · entry 1

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,830

F1 · shares: The shares reported as sold represent the cumulative number of shares sold by Bender Investment Company. The reporting person has an ownership interest in Bender Investment Company and disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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March 02, 2026 Filed Mar 5, 2026 00:48 UTC Cactus, Inc. WHD · Entity 964 OtherUnits · Derivative 200,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-014939 · wk-form4_1772671683.xml · derivative · entry 7

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,486,249

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

F6 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F7 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F4 · kind: In connection with its redemption of Units, as described below, BIC disposed of a corresponding number of shares of Class B Common Stock, which shares were cancelled by the Issuer.

F9 · price: The Units and a corresponding number of shares of Class B Common Stock were redeemed for Class A Common Stock on March 2, 2026.

F7 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F7 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,486,249 shares of Class B Common Stock and 9,486,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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March 02, 2026 Filed Mar 5, 2026 00:48 UTC Cactus, Inc. WHD · Entity 964 GrantUnits · Derivative 200,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-014939 · wk-form4_1772671683.xml · derivative · entry 6

Bender Joel · CIK 0001701689 · Director · President · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 9,686,249

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

F6 · security: "Units" mean ownership interests in Cactus Companies, LLC ("Cactus Companies"). The Issuer is the sole managing member of Cactus Companies.

F7 · derivative.exercise_price: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.exercise_price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F1 · kind: In connection with certain redemptions of ownership interests in Cactus WH Enterprises, LLC ("Cactus Enterprises") by certain of Cactus Enterprises' members pursuant to the amended and restated limited liability company agreement of Cactus Enterprises, Cactus Enterprises distributed Class B Common Stock to such members. Bender Investment Company ("BIC"), a Nevada corporation controlled by the Reporting Person, redeemed a portion of its ownership interests in Cactus Enterprises. In connection with the redemption by BIC of its interests in Cactus Enterprises, Cactus Enterprises distributed to BIC, 200,000 Units (as defined below) and a corresponding number of shares of Class B Common Stock of the Issuer.

F8 · price: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F7 · derivative.exercise_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.exercise_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F7 · derivative.expiration_date: The amended and restated limited liability company operating agreement of Cactus Companies provides the holders of Units with certain rights to cause Cactus Companies to acquire all or at least a minimum portion of their Units for, at Cactus Companies election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash.

F8 · derivative.expiration_date: (Continued from footnote 7) Upon the exercise of the Redemption Right, the Issuer (instead of Cactus Companies) has the right (the "Call Right") to acquire each tendered Unit directly from the exchanging Unit holder for, at its election, (x) shares of Class A Common Stock at a redemption ratio of one share of Class A Common Stock for each Unit redeemed, subject to conversion rate adjustments for stock splits, stock dividends and reclassification and other similar transactions, or (y) an equivalent amount of cash. The Issuer did not exercise the Call Right in connection with the redemptions described in this Report.

F2 · ownership.nature: Following the transactions reported herein, the Reporting Person is deemed to beneficially own 9,486,249 shares of Class B Common Stock and 9,486,249 Units owned by Cactus Enterprises.

F3 · ownership.nature: The securities reported herein are directly owned by Cactus Enterprises. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Reporting Person may be deemed to have an indirect pecuniary interest in the securities held directly by Cactus Enterprises through his ownership interest in Cactus Enterprises. In accordance with Instruction 4(b)(iv), the entire amount of the securities held by Cactus Enterprises is reported herein. The Reporting Person disclaims beneficial ownership of any securities that he does not directly own, except to the extent of his indirect pecuniary interest therein. This report shall not be deemed an admission that the Reporting Person is a member of a group or the beneficial owner of any securities not directly owned by the Reporting Person.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.