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Nasdaq · USD

SLP

Simulations Plus, Inc.

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5719
SEC CIK
0001023459
Parsed reports
423

Last 12 months

Inside the activity.

0 purchase rows · 12 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202501
Jan 202600
Feb 202600
Mar 202600
Apr 202601
May 202603
Jun 202604
Jul 202602
Aug 202601
Sep 202600
Oct 202600

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 7,500 Not disclosed Strike: $33.29 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 9

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,500 shares

Expires 2034-10-16

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 2,589 Not disclosed Strike: $19.81 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 8

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,589 shares

Expires 2028-12-11

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $43.91 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 7

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2032-10-19

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $39.98 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 6

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2033-10-18

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 113,300 Not disclosed Strike: $32.57 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 5

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Stock Option (right to buy) · 5,000 shares

Expires 2029-12-06

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 9,300 Not disclosed Strike: $57.67 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 4

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,300 shares

Expires 2030-12-06

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 26,206 Not disclosed Strike: $10.05 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 3

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,206 shares

Expires 2027-02-23

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 27,500 Not disclosed Strike: $16.02 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,500 shares

Expires 2035-10-15

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
Disposition to issuerCommon Stock 85,140 $18.50 $1,575,090.00
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC Disposition to issuerCommon Stock 17,173 $18.50 $317,700.50
Disclosure

SEC source: 0001023459-26-000089 · wk-form4_1791317207.xml · nonDerivative · entry 1

Evans Sharlene · CIK 0001899498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest.

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 5,000 Not disclosed Strike: $37.89 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 9

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2031-10-20

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 9,300 Not disclosed Strike: $57.67 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 8

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,300 shares

Expires 2030-12-07

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 5,000 Not disclosed Strike: $32.57 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 7

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2029-12-05

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 7,000 Not disclosed Strike: $19.81 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 6

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,000 shares

Expires 2028-12-11

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 7,500 Not disclosed Strike: $33.29 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 5

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,500 shares

Expires 2034-10-16

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $39.98 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 4

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2033-10-18

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $43.91 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 3

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2032-10-19

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

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October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerStock Options (Right to Buy) · Derivative 27,500 Not disclosed Strike: $16.02 Not disclosed
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · derivative · entry 2

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,500 shares

Expires 2035-10-15

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

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October 06, 2026 Filed Oct 6, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Disposition to issuerCommon Stock 77,817 $18.50 $1,439,614.50
Disclosure

SEC source: 0001023459-26-000087 · wk-form4_1791317183.xml · nonDerivative · entry 1

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

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October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 10,000 Not disclosed Strike: $33.29 Not disclosed
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · derivative · entry 6

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,000 shares

Expires 2034-10-16

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

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October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 25,000 Not disclosed Strike: $39.98 Not disclosed
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · derivative · entry 5

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2033-10-18

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

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October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 20,000 Not disclosed Strike: $56.40 Not disclosed
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · derivative · entry 4

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires 2030-12-01

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

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October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 20,000 Not disclosed Strike: $43.91 Not disclosed
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · derivative · entry 3

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires 2032-10-19

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 32,500 Not disclosed Strike: $16.02 Not disclosed
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · derivative · entry 2

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,500 shares

Expires 2035-10-15

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option. Each Company Option with an exercise price per share greater than or equal to the Merger Consideration was canceled for no consideration.

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October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerCommon Stock 2,100 $18.50 $38,850.00
Disclosure

SEC source: 0001023459-26-000085 · wk-form4_1791317148.xml · nonDerivative · entry 1

FREDERICK WILLIAM W · CIK 0001269890 · EVP/CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 5,000 Not disclosed Strike: $61.84 Not disclosed
Disclosure

SEC source: 0001023459-26-000083 · wk-form4_1791317125.xml · derivative · entry 3

Paglia John Kenneth · CIK 0001627832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2030-07-17

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 6,000 Not disclosed Strike: $34.23 Not disclosed
Disclosure

SEC source: 0001023459-26-000083 · wk-form4_1791317125.xml · derivative · entry 2

Paglia John Kenneth · CIK 0001627832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,000 shares

Expires 2029-07-19

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerCommon Stock 14,589 $18.50 $269,896.50
Disclosure

SEC source: 0001023459-26-000083 · wk-form4_1791317125.xml · nonDerivative · entry 1

Paglia John Kenneth · CIK 0001627832 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 5,000 Not disclosed Strike: $61.84 Not disclosed
Disclosure

SEC source: 0001023459-26-000081 · wk-form4_1791317100.xml · derivative · entry 3

WEINER DANIEL L · CIK 0001134615 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2030-07-17

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerStock Options (Right to Buy) · Derivative 2,000 Not disclosed Strike: $34.23 Not disclosed
Disclosure

SEC source: 0001023459-26-000081 · wk-form4_1791317100.xml · derivative · entry 2

WEINER DANIEL L · CIK 0001134615 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,000 shares

Expires 2029-07-18

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:05 UTC Disposition to issuerCommon Stock 16,547 $18.50 $306,119.50
Disclosure

SEC source: 0001023459-26-000081 · wk-form4_1791317100.xml · nonDerivative · entry 1

WEINER DANIEL L · CIK 0001134615 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
WOLTOSZ WALTER SDirector · 10% owner
Disposition to issuerStock Options (Right to Buy) · Derivative 5,000 Not disclosed Strike: $61.84 Not disclosed
Disclosure

SEC source: 0001023459-26-000079 · wk-form4_1791317023.xml · derivative · entry 2

WOLTOSZ WALTER S · CIK 0001222526 · Director · 10% owner

WOLTOSZ VIRGINIA E · CIK 0001222527 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2030-07-17

F3 · shares: The securities reported herein were held jointly by Walter S. Woltosz and Virginia E. Woltosz.

F4 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F5 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F4 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
WOLTOSZ WALTER SDirector · 10% owner
Disposition to issuerCommon Stock 3,202,131 $18.50 $59,239,423.50
Disclosure

SEC source: 0001023459-26-000079 · wk-form4_1791317023.xml · nonDerivative · entry 1

WOLTOSZ WALTER S · CIK 0001222526 · Director · 10% owner

WOLTOSZ VIRGINIA E · CIK 0001222527 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F3 · shares: The securities reported herein were held jointly by Walter S. Woltosz and Virginia E. Woltosz.

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

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October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 32,500 Not disclosed Strike: $33.29 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 7

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,500 shares

Expires 2034-10-16

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

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October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 50,000 Not disclosed Strike: $39.98 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 6

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2033-10-18

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 50,000 Not disclosed Strike: $43.91 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 5

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2032-10-19

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 25,000 Not disclosed Strike: $59.97 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 4

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2030-09-03

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 20,000 Not disclosed Strike: $36.11 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 3

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires 2029-08-31

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 20,000 Not disclosed Strike: $23.75 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 2

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 20,000 shares

Expires 2028-06-26

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F2 · price: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration"). Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:03 UTC
OCONNOR SHAWNChief Executive Officer
Disposition to issuerStock Options (Right to Buy) · Derivative 50,000 Not disclosed Strike: $16.02 Not disclosed
Disclosure

SEC source: 0001227877-26-000005 · wk-form4_1791316990.xml · derivative · entry 1

OCONNOR SHAWN · CIK 0001227877 · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50,000 shares

Expires 2035-10-15

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F1 · price: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F1 · derivative.exercise_date: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"). Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
August 03, 2026 Filed Aug 4, 2026 20:07 UTC
DiBella John Anthony IIChief Revenue Officer
SaleCommon Stock 1,000 $18.28 $18,280.00
Disclosure

SEC source: 0001544167-26-000013 · wk-form4_1785874063.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,140

F1 · kind: The sale reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in a single transaction at $18.28.

Read SEC document
July 06, 2026 Filed Jul 8, 2026 20:05 UTC
DiBella John Anthony IIChief Revenue Officer
SaleCommon Stock 1,000 $18.36 $18,360.00
Disclosure

SEC source: 0001544167-26-000011 · wk-form4_1783541110.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,140

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $18.34 to $18.39, inclusive.

Read SEC document
July 01, 2026 Filed Jul 6, 2026 22:50 UTC
WOLTOSZ WALTER SDirector · 10% owner
SaleCommon Stock 4,177 $18.44 $77,023.88
Disclosure

SEC source: 0001222526-26-000012 · wk-form4_1783378240.xml · nonDerivative · entry 1

WOLTOSZ WALTER S · CIK 0001222526 · Director · 10% owner

WOLTOSZ VIRGINIA E · CIK 0001222527 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,202,131

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in multiple transactions at prices falling within those ranges set forth in footnotes (3) of this Form 4. The reporting persons undertake to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

F3 · price: These shares were sold in multiple transactions at prices ranging from $18.36 to $18.49, inclusive.

F4 · balance_after: The number of shares reflects a revision to correct the inadvertent inclusion of 46,492 shares of the issuer's common stock from previously reported holdings of the reporting persons.

Read SEC document
June 16, 2026 Filed Jun 17, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 7,350 $0.00 Strike: $10.05 $0.00
Disclosure

SEC source: 0001899390-26-000008 · wk-form4_1781726761.xml · derivative · entry 3

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,350 shares

Expires 2027-02-23

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.

F3 · derivative.exercise_date: Fully Vested

Read SEC document
June 16, 2026 Filed Jun 17, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
SaleCommon Stock 7,350 $18.20 $133,770.00
Disclosure

SEC source: 0001899390-26-000008 · wk-form4_1781726761.xml · nonDerivative · entry 2

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,817

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in a single transaction at $18.20.

Read SEC document
June 16, 2026 Filed Jun 17, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Exercise / conversionCommon Stock 7,350 $10.05 $73,867.50
Disclosure

SEC source: 0001899390-26-000008 · wk-form4_1781726761.xml · nonDerivative · entry 1

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,167

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.

Read SEC document
June 15, 2026 Filed Jun 16, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 1,050 $0.00 Strike: $10.05 $0.00
Disclosure

SEC source: 0001899390-26-000006 · wk-form4_1781640366.xml · derivative · entry 3

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,350

Underlying: Common Stock · 1,050 shares

Expires 2027-02-23

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.

F3 · derivative.exercise_date: Fully Vested

Read SEC document
June 15, 2026 Filed Jun 16, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
SaleCommon Stock 1,050 $16.51 $17,335.50
Disclosure

SEC source: 0001899390-26-000006 · wk-form4_1781640366.xml · nonDerivative · entry 2

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,817

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in a single transaction at $16.51.

Read SEC document
June 15, 2026 Filed Jun 16, 2026 20:06 UTC
Fiedler-Kelly JillPresident, Services Solutions
Exercise / conversionCommon Stock 1,050 $10.05 $10,552.50
Disclosure

SEC source: 0001899390-26-000006 · wk-form4_1781640366.xml · nonDerivative · entry 1

Fiedler-Kelly Jill · CIK 0001899390 · President, Services Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 78,867

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.

Read SEC document
June 03, 2026 Filed Jun 4, 2026 20:06 UTC
DiBella John Anthony IIChief Revenue Officer
SaleCommon Stock 1,000 $16.50 $16,500.00
Disclosure

SEC source: 0001544167-26-000008 · wk-form4_1780603567.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,140

F1 · kind: The sale reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in a single transaction at $16.50.

Read SEC document

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