SFIX

SEC source: 0001628280-26-044761 · wk-form4_1782169718.xml · derivative · entry 3

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 787,030

Underlying: Class A Common Stock · 61,454 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-044761 · wk-form4_1782169718.xml · nonDerivative · entry 2

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,009,740

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-044761 · wk-form4_1782169718.xml · nonDerivative · entry 1

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,117,334

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-044760 · wk-form4_1782169687.xml · derivative · entry 3

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,480

Underlying: Class A Common Stock · 25,283 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-044760 · wk-form4_1782169687.xml · nonDerivative · entry 2

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 479,618

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-044760 · wk-form4_1782169687.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 505,617

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-044216 · wk-form4_1781808216.xml · derivative · entry 4

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 672,543

Underlying: Class A Common Stock · 50,000 shares

Expires 2034-04-01

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 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F4 · derivative.exercise_date: 25% of the shares subject to the Option vested on June 12, 2024. The remaining shares subject to the Option shall vest as follows: 25% of the shares in equal quarterly installments over the next two (2) quarterly vesting dates; 33 1/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates; and 16 2/3% of the shares in equal quarterly installments over the next four (4) quarterly vesting dates, subject to the recipient's continuous service through each vesting date.

SEC source: 0001628280-26-044216 · wk-form4_1781808216.xml · nonDerivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,085,109

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.10 to $4.22 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-044216 · wk-form4_1781808216.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,105,109

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.085 to $4.22 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-044216 · wk-form4_1781808216.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,155,109

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 · kind: This transaction was made pursuant to a Rule 10b5-1 plan entered into on March 17, 2026.

SEC source: 0001628280-26-024889 · wk-form4_1776110999.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 480,334

F1 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.04 to $3.155 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-024309 · wk-form4_1775691762.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,178,037

F1 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 6, 2026.

F2 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.035 to $3.17 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-020158 · wk-form4_1774037124.xml · derivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,477

Underlying: Class A Common Stock · 43,895 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-020158 · wk-form4_1774037124.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,105,109

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-020158 · wk-form4_1774037124.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,142,933

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-020162 · wk-form4_1774037185.xml · derivative · entry 3

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,477

Underlying: Class A Common Stock · 43,895 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-020162 · wk-form4_1774037185.xml · nonDerivative · entry 2

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,243,746

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-020162 · wk-form4_1774037185.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,295,757

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-020163 · wk-form4_1774037215.xml · derivative · entry 3

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,763

Underlying: Class A Common Stock · 25,284 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-020163 · wk-form4_1774037215.xml · nonDerivative · entry 2

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 540,334

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-020163 · wk-form4_1774037215.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 567,355

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-020159 · wk-form4_1774037152.xml · derivative · entry 3

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 848,484

Underlying: Class A Common Stock · 61,454 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: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-26-020159 · wk-form4_1774037152.xml · nonDerivative · entry 2

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,055,880

F2 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-26-020159 · wk-form4_1774037152.xml · nonDerivative · entry 1

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,133,698

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

F1 · price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

SEC source: 0001628280-26-005457 · wk-form4_1770240005.xml · derivative · entry 3

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 7,196,553

Underlying: Class A Common Stock · 8,835 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-26-005457 · wk-form4_1770240005.xml · nonDerivative · entry 2

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 0

F3 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 7, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.00 to $5.0250 per share. The Reporting Person undertakes 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 range set forth in this footnote.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-26-005457 · wk-form4_1770240005.xml · nonDerivative · entry 1

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 8,835

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-26-004135 · wk-form4_1769721234.xml · derivative · entry 3

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 380,653

Underlying: Class A Common Stock · 19,347 shares

Expires 2032-12-14

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F3 · derivative.exercise_date: The shares subject to the Option vested as follows, subject to the Reporting Person's continuous service through each vesting date: 25% of the shares subject to the Option vested on on 6/14/2023. The remaining shares subject to the Option vested quarterly thereafter as follows: 25% of the shares vested over the following two quarters; 33 1/3% of the shares vested over the subsequent four quarters; and 16 2/3% of the shares vested over the next four quarters, with all shares now fully vested.

SEC source: 0001628280-26-004135 · wk-form4_1769721234.xml · nonDerivative · entry 2

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 542,071

F2 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

SEC source: 0001628280-26-004135 · wk-form4_1769721234.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 561,418

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · derivative · entry 9

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Class A Common Stock · 41,259 shares

Expires 2032-12-14

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F5 · derivative.exercise_date: The shares subject to the Option vested as follows, subject to the Reporting Person's continuous service through each vesting date: 25% of the shares subject to the Option vested on on 6/14/2023. The remaining shares subject to the Option vested quarterly thereafter as follows: 25% of the shares vested over the following two quarters; 33 1/3% of the shares vested over the subsequent four quarters; and 16 2/3% of the shares vested over the next four quarters, with all shares now fully vested.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 6

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 542,071

F2 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.34 to $5.345 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 5

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 583,330

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · derivative · entry 8

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 441,259

Underlying: Class A Common Stock · 13,852 shares

Expires 2032-12-14

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F5 · derivative.exercise_date: The shares subject to the Option vested as follows, subject to the Reporting Person's continuous service through each vesting date: 25% of the shares subject to the Option vested on on 6/14/2023. The remaining shares subject to the Option vested quarterly thereafter as follows: 25% of the shares vested over the following two quarters; 33 1/3% of the shares vested over the subsequent four quarters; and 16 2/3% of the shares vested over the next four quarters, with all shares now fully vested.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 4

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 542,071

F2 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.34 to $5.345 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 3

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 555,923

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

SEC source: 0001628280-26-003154 · wk-form4_1769129486.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,251,862

F1 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on December 30, 2024.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · derivative · entry 7

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 455,111

Underlying: Class A Common Stock · 13,641 shares

Expires 2032-12-14

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F5 · derivative.exercise_date: The shares subject to the Option vested as follows, subject to the Reporting Person's continuous service through each vesting date: 25% of the shares subject to the Option vested on on 6/14/2023. The remaining shares subject to the Option vested quarterly thereafter as follows: 25% of the shares vested over the following two quarters; 33 1/3% of the shares vested over the subsequent four quarters; and 16 2/3% of the shares vested over the next four quarters, with all shares now fully vested.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 2

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 542,071

F2 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $4.91 to $5.39 per share. The Reporting Person undertakes 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 range set forth in this footnote.

SEC source: 0001628280-26-003169 · wk-form4_1769134954.xml · nonDerivative · entry 1

O'Connor Casey · CIK 0001954429 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 625,712

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 · kind: Options were exercised pursuant to a Rule 10b5-1 plan entered into on January 9, 2025.

SEC source: 0001628280-26-000907 · wk-form4_1767734360.xml · derivative · entry 3

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 7,205,388

Underlying: Class A Common Stock · 101,150 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-26-000907 · wk-form4_1767734360.xml · nonDerivative · entry 2

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 0

F3 · kind: Shares were disposed of pursuant to a Rule 10b5-1 plan entered into on January 7, 2025.

F4 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $5.00 to $5.245 per share. The Reporting Person undertakes 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 range set forth in this footnote.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-26-000907 · wk-form4_1767734360.xml · nonDerivative · entry 1

Lake Katrina · CIK 0001661964 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 101,150

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001628280-25-058343 · wk-form4_1766181867.xml · derivative · entry 3

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,372

Underlying: Class A Common Stock · 219,580 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.

F2 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-25-058343 · wk-form4_1766181867.xml · nonDerivative · entry 2

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,099,038

F1 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-25-058343 · wk-form4_1766181867.xml · nonDerivative · entry 1

Bacos Anthony · CIK 0002004694 · Chief Prod/Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,244,863

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.

SEC source: 0001628280-25-058341 · wk-form4_1766181839.xml · derivative · entry 3

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,372

Underlying: Class A Common Stock · 219,580 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.

F2 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F3 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

SEC source: 0001628280-25-058341 · wk-form4_1766181839.xml · nonDerivative · entry 2

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,275,976

F1 · shares: Represents shares that have been withheld by the Company to satisfy tax withholding obligation in connection with the vesting of restricted stock units.

SEC source: 0001628280-25-058341 · wk-form4_1766181839.xml · nonDerivative · entry 1

Aufderhaar David · CIK 0001971349 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,437,736

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.

SEC source: 0001628280-25-058345 · wk-form4_1766181934.xml · derivative · entry 4

Baer Matt · CIK 0001982002 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 909,938

Underlying: Class A Common Stock · 307,413 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.

F2 · derivative.exercise_price: Each Performance Stock Unit ("PSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.

F4 · derivative.expiration_date: The PSU performance condition has been achieved and will vest based upon the following service conditions: 5/12 vested on December 17, 2025 and the remainder will vest in quarterly installments of 1/12 over the next 7 quarterly vesting dates.