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Nasdaq · USD

CBRS

Cerebras Systems Inc.

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3072
SEC CIK
0002021728
Parsed reports
74

Last 12 months

Inside the activity.

0 purchase rows · 333 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 20260130
Jul 202600
Aug 20260138
Sep 2026065
Oct 202600

Latest available

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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
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 5,900 $205.30 $1,211,270.00
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 10

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 311,769

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F11 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $204.86 to $205.83, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 13,776 $206.63 $2,846,534.88
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 9

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 317,669

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F10 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $205.96 to $206.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 6,869 $207.54 $1,425,592.26
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 8

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 331,445

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F9 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.96 to $207.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 21,022 $208.41 $4,381,195.02
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 7

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 338,314

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F8 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.97 to $208.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 29,991 $209.53 $6,284,014.23
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 6

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 359,336

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F7 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.97 to $209.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 30,565 $210.45 $6,432,404.25
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 5

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 389,327

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F6 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.97 to $210.96, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 9,177 $211.32 $1,939,283.64
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 4

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 419,892

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F5 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.97 to $211.95, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 500 $212.14 $106,070.00
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 3

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 429,069

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F4 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.97 to $212.31, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
GiftClass A Common Stock 36,000 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 2

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 429,569

F2 · kind: The reporting person transferred 36,000 shares of the Issuer's common stock to a donor-advised fund sponsored by a charitable organization under Section 501(c)(3) of the Internal Revenue Code.

Read SEC document
September 25, 2026 Filed Sep 28, 2026 20:05 UTC
Lie SeanChief Technology Officer
ConversionClass A Common Stock 120,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-063713 · wk-form4_1790625937.xml · nonDerivative · entry 1

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 465,569

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

F1 · shares: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Read SEC document
September 23, 2026 Filed Sep 25, 2026 20:34 UTC
Susan LiorDirector
OtherClass A Common Stock 23,735 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-402911 · ownership.xml · nonDerivative · entry 3

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 309,603

F3 · kind: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F3 · price: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F5 · balance_after: This amount reflects the reported transaction and includes 7,093 shares that were inadvertently omitted from the Reporting Person's Form 4 filed on August 18, 2026 due to an administrative error.

F6 · ownership.nature: The shares are held directly by an estate-planning vehicle which is controlled by the Reporting Person.

Read SEC document
September 23, 2026 Filed Sep 25, 2026 20:34 UTC
Susan LiorDirector
OtherClass A Common Stock 25,757 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-402911 · ownership.xml · nonDerivative · entry 2

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,927

F3 · kind: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F3 · price: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F4 · balance_after: This amount reflects the reported transaction and includes 11,046 shares that were inadvertently omitted from the Reporting Person's Form 4 filed on August 18, 2026 due to an administrative error.

Read SEC document
September 23, 2026 Filed Sep 25, 2026 20:34 UTC
Susan LiorDirector
OtherClass A Common Stock 451,118 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-402911 · ownership.xml · nonDerivative · entry 1

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,490,711

F1 · kind: Represents a pro-rata, in-kind distribution by the Eclipse Entities (as defined below) to its partners, for no additional consideration (the "Distribution").

F1 · price: Represents a pro-rata, in-kind distribution by the Eclipse Entities (as defined below) to its partners, for no additional consideration (the "Distribution").

F2 · ownership.nature: Following the distribution, consists of (i) 385,774 shares of Class A common stock held by Eclipse Continuity Fund I, L.P. ("Eclipse Continuity Fund"); (ii) 3,156,361 shares of Class A common stock held by Eclipse SPV II, L.P. ("Eclipse SPV II"); (iii) 289,144 shares of Class A common stock held by Eclipse SPV XIII, L.P. ("Eclipse SPV XIII"); and (iv) 2,659,432 shares of Class A common stock held by Eclipse Ventures Fund I, L.P. ("Eclipse Fund," and together with Eclipse Continuity Fund, Eclipse SPV II, and Eclipse SPV XIII, "Eclipse Entities"). The Reporting Person is the sole managing member of the general partner of each of the Eclipse Entities and may be deemed to have voting, investment, and dispositive power with respect to the shares held by such entities.

Read SEC document
September 21, 2026 Filed Sep 23, 2026 21:16 UTC
Feldman Andrew D.Director · CEO, President
OtherClass A Common Stock 120 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-063253 · wk-form4_1790198166.xml · nonDerivative · entry 1

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Indirect · By Feldman Bravo Family Trust

Disclosed balance after: 926

F1 · kind: Represents a pro-rata, in-kind distribution not for additional consideration.

Read SEC document
September 21, 2026 Filed Sep 23, 2026 21:10 UTC
Vishria EricDirector
OtherClass A Common Stock 44,507 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-110025 · tm2625960-1_4seq1.xml · nonDerivative · entry 1

Vishria Eric · CIK 0001617474 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 275,854

F1 · kind: Represents a pro-rata, in-kind distribution by Benchmark Capital Partners VIII, L.P. ("BCP VIII") and its affiliated funds, not for additional consideration, to its partners, including their respective members and assignees, in accordance with a Rule 10b5-1 trading plan adopted by BCP VIII on May 14, 2026.

F2 · ownership.nature: Shares are held by entities controlled by the reporting person.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 20:16 UTC
Susan LiorDirector
OtherClass A Common Stock 23,734 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-394365 · ownership.xml · nonDerivative · entry 3

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 278,775

F3 · kind: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F3 · price: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F4 · ownership.nature: The shares are held directly by an estate-planning vehicle which is controlled by the Reporting Person.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 20:16 UTC
Susan LiorDirector
OtherClass A Common Stock 24,463 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-394365 · ownership.xml · nonDerivative · entry 2

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 315,124

F3 · kind: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F3 · price: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

Read SEC document
September 15, 2026 Filed Sep 17, 2026 20:16 UTC
Susan LiorDirector
OtherClass A Common Stock 451,115 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-394365 · ownership.xml · nonDerivative · entry 1

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 6,941,829

F1 · kind: Represents a pro-rata, in-kind distribution by the Eclipse Entities (as defined below) to its partners, for no additional consideration (the "Distribution").

F1 · price: Represents a pro-rata, in-kind distribution by the Eclipse Entities (as defined below) to its partners, for no additional consideration (the "Distribution").

F2 · ownership.nature: Following the distribution, consists of (i) 412,586 shares of Class A common stock held by Eclipse Continuity Fund I, L.P. ("Eclipse Continuity Fund"); (ii) 3,375,735 shares of Class A common stock held by Eclipse SPV II, L.P. ("Eclipse SPV II"); (iii) 309,240 shares of Class A common stock held by Eclipse SPV XIII, L.P. ("Eclipse SPV XIII"); and (iv) 2,844,268 shares of Class A common stock held by Eclipse Ventures Fund I, L.P. ("Eclipse Fund," and together with Eclipse Continuity Fund, Eclipse SPV II, and Eclipse SPV XIII, "Eclipse Entities"). The Reporting Person is the sole managing member of the general partner of each of the Eclipse Entities and may be deemed to have voting, investment, and dispositive power with respect to the shares held by such entities.

Read SEC document
September 08, 2026 Filed Sep 10, 2026 21:18 UTC
Vishria EricDirector
OtherClass A Common Stock 44,507 $0.00 $0.00
Disclosure

SEC source: 0001104659-26-106766 · tm2625119-1_4seq1.xml · nonDerivative · entry 1

Vishria Eric · CIK 0001617474 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · See Footnote

Disclosed balance after: 231,347

F1 · kind: Represents a pro-rata, in-kind distribution by Benchmark Capital Partners VIII, L.P. and its affiliated funds, not for additional consideration, to its partners, including their respective members and assignees.

F2 · ownership.nature: Shares are held by entities controlled by the reporting person.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
OtherClass A Common Stock 120 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 18

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Indirect · By Feldman Bravo Family Trust

Disclosed balance after: 806

F18 · kind: Represents a pro-rata, in-kind distribution not for additional consideration.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:20 UTC SaleClass A Common Stock 7,110 $211.56 $1,504,191.60
Disclosure

SEC source: 0001628280-26-060989 · wk-form4_1788913252.xml · nonDerivative · entry 3

Vassallo Steven · CIK 0001567929 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 171,977

F4 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.00 to $211.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities are held by a revocable family trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his proportionate pecuniary interest therein.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:20 UTC SaleClass A Common Stock 21,773 $210.37 $4,580,386.01
Disclosure

SEC source: 0001628280-26-060989 · wk-form4_1788913252.xml · nonDerivative · entry 2

Vassallo Steven · CIK 0001567929 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 179,087

F3 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.00 to $210.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities are held by a revocable family trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his proportionate pecuniary interest therein.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:20 UTC SaleClass A Common Stock 21,117 $209.81 $4,430,557.77
Disclosure

SEC source: 0001628280-26-060989 · wk-form4_1788913252.xml · nonDerivative · entry 1

Vassallo Steven · CIK 0001567929 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Revocable Trust

Disclosed balance after: 200,860

F1 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.00 to $209.99, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F2 · ownership.nature: The securities are held by a revocable family trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his proportionate pecuniary interest therein.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
ConversionClass B Common Stock · Derivative 46,141 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · derivative · entry 7

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,582,992

Underlying: Class A Common Stock · 46,141 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
Exercise / conversionClass B Common Stock · Derivative 46,141 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · derivative · entry 6

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,629,133

Underlying: Class A Common Stock · 46,141 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
Exercise / conversionStock Option · Derivative 46,141 $0.00 Strike: $5.48 $0.00
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · derivative · entry 5

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 289,021

Underlying: Class B Common Stock · 46,141 shares

Expires 2034-02-06

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.

F5 · derivative.exercise_date: The stock option vests in 48 substantially equal monthly installments beginning on February 1, 2024.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
SaleClass A Common Stock 53,460 $210.16 $11,235,153.60
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · nonDerivative · entry 3

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 345,569

F3 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F4 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.00 to $210.45, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
GiftClass A Common Stock 16,038 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · nonDerivative · entry 2

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 399,029

F2 · kind: The reporting person transferred 16,038 shares of the Issuer's common stock to a donor-advised fund sponsored by a charitable organization under Section 501(c)(3) of the Internal Revenue Code.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:19 UTC
Lie SeanChief Technology Officer
ConversionClass A Common Stock 46,141 Not disclosed Not disclosed
Disclosure

SEC source: 0001628280-26-060988 · wk-form4_1788913142.xml · nonDerivative · entry 1

Lie Sean · CIK 0002132472 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 415,067

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

F1 · shares: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
ConversionClass B Common Stock · Derivative 37,441 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · derivative · entry 21

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,945,134

Underlying: Class A Common Stock · 37,441 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
Exercise / conversionClass B Common Stock · Derivative 37,441 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · derivative · entry 20

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,982,575

Underlying: Class A Common Stock · 37,441 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.exercise_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · derivative.expiration_date: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
Exercise / conversionStock Option · Derivative 37,441 $0.00 Strike: $2.72 $0.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · derivative · entry 19

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,000

Underlying: Class B Common Stock · 37,441 shares

Expires 2030-12-07

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.

F19 · derivative.exercise_date: The stock option is fully vested and exercisable.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 100 $216.62 $21,662.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 17

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,853

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 600 $215.81 $129,486.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 16

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,953

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F17 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $215.53 to $216.06, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 1,400 $214.98 $300,972.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 15

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,553

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F16 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $214.52 to $215.33, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 3,897 $213.95 $833,763.15
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 14

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,953

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F15 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $213.50 to $214.48, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 3,324 $213.04 $708,144.96
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 13

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,850

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F14 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $212.50 to $213.49, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 7,439 $211.85 $1,575,952.15
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 12

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,174

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F13 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $211.42 to $212.39, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 6,153 $210.91 $1,297,729.23
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 11

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,613

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F12 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $210.42 to $211.42, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

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September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 6,721 $209.99 $1,411,342.79
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 10

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,766

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F11 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $209.41 to $210.34, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 1,707 $208.84 $356,489.88
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 9

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,487

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F10 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $208.39 to $209.38, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 1,500 $207.80 $311,700.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 8

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,194

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F9 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $207.21 to $208.19, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 800 $206.30 $165,040.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 7

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,694

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F8 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $206.02 to $206.53, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 1,200 $204.06 $244,872.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 6

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,494

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F7 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $203.65 to $204.62, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 900 $202.97 $182,673.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 5

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,694

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F6 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $202.59 to $203.43, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 300 $201.75 $60,525.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 4

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,594

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F5 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $201.45 to $202.11, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 300 $200.79 $60,237.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 3

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,894

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F4 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $200.16 to $201.12, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
SaleClass A Common Stock 1,100 $199.18 $219,098.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 2

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,194

F2 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 20, 2026.

F3 · price: The sale price reported in Column 4 of Table 1 represents the weighted average sale price of the shares sold ranging from $199.00 to $199.87, inclusive. Upon request by the staff of the Securities and Exchange commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

Read SEC document
September 04, 2026 Filed Sep 9, 2026 00:17 UTC
Feldman Andrew D.Director · CEO, President
ConversionClass A Common Stock 37,441 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-060987 · wk-form4_1788913072.xml · nonDerivative · entry 1

Feldman Andrew D. · CIK 0002039573 · Director · CEO, President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,294

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

F1 · shares: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

F1 · price: The Class B Common Stock is convertible into an equal number of Class A Common Stock at any time, at the Reporting Person's election, and has no expiration date.

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September 02, 2026 Filed Sep 4, 2026 20:05 UTC
Susan LiorDirector
OtherClass A Common Stock 47,470 Not disclosed Not disclosed
Disclosure

SEC source: 0001193125-26-383631 · ownership.xml · nonDerivative · entry 3

Susan Lior · CIK 0001832895 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 255,041

F3 · kind: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F3 · price: The shares were obtained pursuant to a pro-rata, in-kind distribution from the Eclipse Entities, for no additional consideration.

F4 · ownership.nature: The shares are held directly by an estate-planning vehicle which is controlled by the Reporting Person.

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