LFST

SEC source: 0000950170-25-036725 · ownership.xml · nonDerivative · entry 5

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 388,761

F5 · shares: Represents PSUs previously granted to the Reporting Person on February 28, 2024, which vested on March 7, 2025.

SEC source: 0000950170-25-036725 · ownership.xml · nonDerivative · entry 4

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 356,709

F4 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of PSUs that vested on March 7, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested PSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036725 · ownership.xml · nonDerivative · entry 3

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 360,434

F3 · shares: Represents performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on March 8, 2024, which vested on March 7, 2025.

SEC source: 0000950170-25-037941 · ownership.xml · nonDerivative · entry 1

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 538,185

F1 · ownership.nature: Shares are held by the Pablo Pantaleoni Garcia and Clara Zuazu Vela Joint Revocable Trust, for which the Reporting Person serves as trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 6

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 937,573

F6 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of PSUs that vested on March 7, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested PSUs and do not constitute any open-market sale.

F7 · balance_after: Reflects the direct beneficial ownership of the Reporting Person as of March 10, 2025.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 5

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 966,520

F5 · shares: Represents PSUs previously granted to the Reporting Person on February 28, 2024, which vested on March 7, 2025.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 4

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 867,942

F4 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of PSUs that vested on March 7, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested PSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 3

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 882,549

F3 · shares: Represents performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on March 8, 2024, which vested on March 7, 2025.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 6

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,430

F6 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of PSUs that vested on March 7, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested PSUs and do not constitute any open-market sale.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 5

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 385,036

F5 · shares: Represents PSUs previously granted to the Reporting Person on February 28, 2024, which vested on March 7, 2025.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 4

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 352,984

F4 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of PSUs that vested on March 7, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested PSUs and do not constitute any open-market sale.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 3

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 360,434

F3 · shares: Represents performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on March 8, 2024, which vested on March 7, 2025.

SEC source: 0000950170-25-036739 · ownership.xml · nonDerivative · entry 2

Miller Lisa K · CIK 0002036749 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 358,655

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036739 · ownership.xml · nonDerivative · entry 1

Miller Lisa K · CIK 0002036749 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 365,086

F1 · shares: Includes 76,142 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036728 · ownership.xml · nonDerivative · entry 1

Ramtekkar Ujjwal · CIK 0002009235 · Chief Medical Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,520

F1 · shares: Includes 57,107 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036727 · ownership.xml · nonDerivative · entry 2

Pardo Ryan · CIK 0001865531 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 841,733

F2 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-25-036727 · ownership.xml · nonDerivative · entry 1

Pardo Ryan · CIK 0001865531 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 860,652

F1 · shares: Includes 114,213 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036738 · ownership.xml · nonDerivative · entry 2

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,397,869

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036738 · ownership.xml · nonDerivative · entry 1

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,417,313

F1 · shares: Includes 117,386 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036736 · ownership.xml · nonDerivative · entry 2

Burdick Kenneth A · CIK 0001498992 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,975,948

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036736 · ownership.xml · nonDerivative · entry 1

Burdick Kenneth A · CIK 0001498992 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,029,550

F1 · shares: Includes 95,178 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036734 · ownership.xml · nonDerivative · entry 2

Bourdon David · CIK 0001823690 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 766,074

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036734 · ownership.xml · nonDerivative · entry 1

Bourdon David · CIK 0001823690 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 782,841

F1 · shares: Includes 348,985 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-036725 · ownership.xml · nonDerivative · entry 2

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,694

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-036725 · ownership.xml · nonDerivative · entry 1

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,149

F1 · shares: Includes 76,142 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 2

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 839,784

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0000950170-25-040351 · ownership.xml · nonDerivative · entry 1

Pantaleoni Pablo · CIK 0001864258 · Chief Digital Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 859,228

F1 · shares: Includes 117,386 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 2

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,694

F2 · kind: Represents the number of shares withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 6, 2025. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale.

SEC source: 0001193125-25-278189 · ownership.xml · nonDerivative · entry 1

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,149

F1 · shares: Includes 76,142 restricted stock units ("RSUs") granted on March 6, 2025. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-24-132312 · ownership.xml · nonDerivative · entry 2

Bessler Robert · CIK 0001864881 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Shama LLC

Disclosed balance after: 1,541,247

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $7.45 to $7.59 inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company 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.

F3 · balance_after: Includes 101,277 shares of restricted stock.

F4 · ownership.nature: The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.

SEC source: 0000950170-24-132312 · ownership.xml · nonDerivative · entry 1

Bessler Robert · CIK 0001864881 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · Vitthal LLC

Disclosed balance after: 1,424,447

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $7.45 to $7.59 inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company 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.

F2 · ownership.nature: The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act of 1934 (the "Exchange Act") or for any other purpose.

SEC source: 0000950170-24-127619 · ownership.xml · nonDerivative · entry 1

Miller Lisa K · CIK 0002036749 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288,994

F1 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-24-101031 · ownership.xml · nonDerivative · entry 1

Varanakis Ann · CIK 0001965703 · Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,007

F1 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-24-102377 · ownership.xml · nonDerivative · entry 1

DeLuca Teresa · CIK 0001685627 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,574

F1 · shares: Includes 35,211 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-24-101071 · ownership.xml · nonDerivative · entry 1

Verma Seema · CIK 0001879702 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,811

F1 · shares: Includes 36,363 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-24-101063 · ownership.xml · nonDerivative · entry 1

Miller William Joseph · CIK 0001864847 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 459,880

F1 · shares: Includes 36,363 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-24-101076 · ownership.xml · nonDerivative · entry 1

Bessler Robert · CIK 0001864881 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 36,363

F1 · shares: Includes 36,363 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · ownership.nature: Shares held of record by Alpine Glow Capital. The Reporting Person is the manager and sole member of Alpine Glow Capital. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934 (the "Exchange Act") or for any other purpose.

SEC source: 0000950170-24-101073 · ownership.xml · nonDerivative · entry 1

Shuey Eric · CIK 0001864362 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,268

F1 · shares: Includes 36,363 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0000950170-24-101078 · ownership.xml · nonDerivative · entry 1

DeLuca Teresa · CIK 0001685627 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 36,363

F1 · shares: Includes 36,363 restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock.

F2 · ownership.nature: Shares held of record by Yawaog Enterprises Corp. The Reporting Person is the controlling shareholder of Yawaog Enterprises Corp. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.

SEC source: 0000950170-24-074898 · ownership.xml · nonDerivative · entry 1

Qureshi Danish J. · CIK 0001864331 · See Remarks

10b5-1 filing: Plan reported

Ownership: Indirect · By LLC

Disclosed balance after: 439,002

F1 · kind: The transaction was effected pursuant to a pre-planned trading plan entered into in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934 (the "Exchange Act"). The pre-planned trading plan was adopted by the Reporting Person on March 15, 2024.

F2 · ownership.nature: Shares held of record by the Khan Descendants Trust LLC, a limited liability company wholly-owned by the Khan Descendants Trust. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.

SEC source: 0000950170-24-073747 · ownership.xml · nonDerivative · entry 1

Pardo Ryan · CIK 0001865531 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 746,439

F1 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-24-073100 · ownership.xml · nonDerivative · entry 1

Mullins Kevin Michael · CIK 0001864233 · Chief Development Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,650,571

F1 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-24-072491 · ownership.xml · nonDerivative · entry 1

Qureshi Danish J. · CIK 0001864331 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,827,941

F1 · kind: Required number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale was made to satisfy tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0000950170-24-066046 · ownership.xml · nonDerivative · entry 1

SUMMIT PARTNERS L P · CIK 0000830588 · Manager of GP of 10% owner

SUMMIT MASTER COMPANY, LLC · CIK 0001627278 · Manager of GP of 10% owner

SUMMIT PARTNERS ENTREPRENEUR ADVISORS GP II, LLC · CIK 0001846778 · GP of 10% owner

SUMMIT PARTNERS GE IX, L.P. · CIK 0001846731 · GP of 10% owner

SUMMIT PARTNERS GE IX, LLC · CIK 0001846688 · GP of 10% owner

Summit Investors Management, LLC · CIK 0001507545 · Manager and GP of 10% Owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes.

Disclosed balance after: 41,932,358

F1 · shares: Represents 2,328,399 shares sold by Summit Partners Growth Equity Fund IX-A, L.P., 1,453,820 shares sold by Summit Partners Growth Equity Fund IX-B, L.P., 16,253 shares sold by Summit Investors GE IX/VC IV, LLC, 2,173 shares sold by Summit Partners Entrepreneur Advisors Fund II, L.P., and 1,700 shares sold by Summit Investors GE IX/VC IV (UK), L.P.

F2 · balance_after: Represents 25,677,643 shares held by Summit Partners Growth Equity Fund IX-A, L.P., 16,032,765 shares held by Summit Partners Growth Equity Fund IX-B, L.P., 179,239 shares held by Summit Investors GE IX/VC IV, LLC, 23,961 shares held by Summit Partners Entrepreneur Advisors Fund II, L.P., and 18,750 shares held by Summit Investors GE IX/VC IV (UK), L.P.

F3 · ownership.nature: Summit Partners, L.P. is the managing member of Summit Partners GE IX, LLC, which is general partner of Summit Partners GE IX, LP, which is the general partner of Summit Partners Growth Equity Fund IX-A, L.P. and Summit Partners Growth Equity Fund IX-B, L.P. Summit Master Company, LLC is (i) the sole member of Summit Partners Entrepreneur Advisors GP II, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund II, L.P. and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors GE IX/VC IV, LLC, and the general partner of Summit Investors GE IX/VC IV (UK), L.P.

F4 · ownership.nature: Summit Master Company, LLC, as the sole member of Summit Partners Entrepreneur Advisors GP II, LLC and the managing member of Summit Investors Management, LLC, has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to LifeStance Health Group, Inc. Summit Partners, L.P., through a three-person investment committee, currently composed of Peter Y. Chung, Mark A. deLaar and Craig D. Frances, has voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares. Each of the Summit Funds, Mr. Chung, Mr. deLaar and Dr. Frances disclaim beneficial ownership of the shares, except, in each case, to the extent of such person's or entity's pecuniary interest therein.

SEC source: 0001999371-24-006780 · lifestance-form4_052424.xml · nonDerivative · entry 1

TPG GP A, LLC · CIK 0001903793 · 10% owner

BONDERMAN DAVID · CIK 0000860866 · 10% owner

COULTER JAMES G · CIK 0001099776 · 10% owner

WINKELRIED JON · CIK 0001366946 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 160,711,618

F1 · ownership.nature: Each of David Bonderman, James G. Coulter and Jon Winkelried own entities that own TPG GP A, LLC (together with Messrs. Bonderman, Coulter and Winkelried, the "Reporting Persons"), which is the managing member of each of (i) TPG Group Holdings (SBS) Advisors, LLC, which is the general partner of TPG Group Holdings (SBS), L.P., and (ii) Alabama Investments (Parallel) GP, LLC, which is the general partner of each of (a) Alabama Investments (Parallel), LP, (b) Alabama Investments (Parallel) Founder A, LP and (c) Alabama Investments (Parallel) Founder G, LP, which, collectively with TPG Group Holdings (SBS), L.P., Alabama Investments (Parallel), LP and Alabama Investments (Parallel) Founder A, LP, holds 100% of the shares of Class B common stock (which represents a majority of the combined voting power of the common stock) of TPG Inc.

F2 · ownership.nature: TPG Inc. is the sole member of TPG GPCo, LLC, which is the sole member of TPG Holdings II-A, LLC, which is the general partner of TPG Operating Group II, L.P., which is the sole member of TPG Holdings I-A, LLC, which is the general partner of TPG Holdings I, L.P., which is the sole member of TPG GenPar VIII Advisors, LLC, which is the general partner of TPG GenPar VIII, L.P., which is the general partner of TPG VIII Lynnwood Holdings Aggregation, L.P. ("TPG VIII Lynnwood"), which directly holds 160,711,618 shares of Common Stock of LifeStance Health Group, Inc.

F3 · ownership.nature: Because of the relationship between the Reporting Persons and TPG VIII Lynnwood, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of the greater of their respective direct or indirect pecuniary interests in the profits or capital accounts of TPG VIII Lynnwood. Each of TPG VIII Lynnwood and each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of TPG VIII Lynnwood's or such Reporting Person's pecuniary interest therein, if any.

F4 · ownership.nature: Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000950170-24-066039 · ownership.xml · nonDerivative · entry 1

Silversmith Partners I GP, LLC · CIK 0001866164 · Member of 10% Group

Silversmith Partners I GP, L.P. · CIK 0001866163 · Member of 10% Group

Silversmith Capital Partners I-A, L.P. · CIK 0001649052 · Member of 10% Group

Silversmith Capital Partners I-B, L.P. · CIK 0001649051 · Member of 10% Group

Silversmith Capital Partners I-C, L.P. · CIK 0001649053 · Member of 10% Group

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 17,916,554

F1 · ownership.nature: Silversmith Partners I GP, LLC is the general partner of Silversmith Partners I GP, L.P., which is the general partner of Silversmith Capital Partners I-A, L.P., Silversmith Capital Partners I-B, L.P. and Silversmith Capital Partners I-C, L.P. (collectively, the "Silversmith Entities"). Silversmith Capital Partners I-A, L.P. holds 12,327,585 shares of common stock of the Issuer, Silversmith Capital Partners I-B, L.P. holds 4,459,231 shares of common stock of the Issuer, and Silversmith Capital Partners I-C, L.P. holds 1,129,738 shares of common stock of the Issuer.

F2 · ownership.nature: Each Reporting Person disclaims beneficial ownership of all of the securities that are or may be beneficially owned by the Silversmith Entities or any of their affiliates, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the Shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

F3 · ownership.nature: Silversmith Capital Partners I-A, L.P., Silversmith Capital Partners I-B, L.P. and Silversmith Capital Partners I-C, L.P. have entered into a Stockholders Agreement with certain persons who are owners of more than 10% of the Issuer's outstanding common stock and, as a result, the Silversmith Entities may be deemed a member of a "group" (as such term is used under Section 13(d) of the Securities Exchange Act of 1934, as amended) with such persons.

SEC source: 0000950170-24-066040 · ownership.xml · nonDerivative · entry 1

CRISAN JEFFREY · CIK 0001407544 · Director · Member of 10% Group

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 17,916,554

F1 · ownership.nature: Jeffrey Crisan is a Manager of Silversmith Partners I GP, LLC. Silversmith Partners I GP, LLC is the general partner of Silversmith Partners I GP, L.P., which is the general partner of Silversmith Capital Partners I-A, L.P., Silversmith Capital Partners I-B, L.P. and Silversmith Capital Partners I-C, L.P. (collectively, the "Silversmith Entities"). Following the transactions reported herein, Silversmith Capital Partners I-A, L.P. holds 12,327,585 shares of common stock of the Issuer, Silversmith Capital Partners I-B, L.P. holds 4,459,231 shares of common stock of the Issuer, and Silversmith Capital Partners I-C, L.P. holds 1,129,738 shares of common stock of the Issuer.

F2 · ownership.nature: As a result of the relationships described above, Mr. Crisan may be deemed to share voting and dispositive power with respect to the shares held by the Silversmith Entities. Mr. Crisan disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000950170-24-066078 · ownership.xml · nonDerivative · entry 1

Summit Partners Growth Equity Fund IX-A, L.P. · CIK 0001634415 · 10% owner

Summit Partners Growth Equity Fund IX-B, L.P. · CIK 0001634426 · 10% owner

SUMMIT INVESTORS GE IX/VC IV (UK), L.P. · CIK 0001846709 · 10% owner

SUMMIT INVESTORS GE IX/VC IV, LLC · CIK 0001654074 · 10% owner

Summit Partners Entrepreneur Advisors Fund II, L.P. · CIK 0001660981 · 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: 41,932,358

F1 · shares: Represents 2,328,399 shares sold by Summit Partners Growth Equity Fund IX-A, L.P., 1,453,820 shares sold by Summit Partners Growth Equity Fund IX-B, L.P., 16,253 shares sold by Summit Investors GE IX/VC IV, LLC, 2,173 shares sold by Summit Partners Entrepreneur Advisors Fund II, L.P., and 1,700 shares sold by Summit Investors GE IX/VC IV (UK), L.P.

F2 · balance_after: Represents 25,677,643 shares held by Summit Partners Growth Equity Fund IX-A, L.P., 16,032,765 shares held by Summit Partners Growth Equity Fund IX-B, L.P., 179,239 shares held by Summit Investors GE IX/VC IV, LLC, 23,961 shares held by Summit Partners Entrepreneur Advisors Fund II, L.P., and 18,750 shares held by Summit Investors GE IX/VC IV (UK), L.P.

F3 · ownership.direct: Summit Partners, L.P. is the managing member of Summit Partners GE IX, LLC, which is general partner of Summit Partners GE IX, LP, which is the general partner of Summit Partners Growth Equity Fund IX-A, L.P. and Summit Partners Growth Equity Fund IX-B, L.P. Summit Master Company, LLC is (i) the sole member of Summit Partners Entrepreneur Advisors GP II, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund II, L.P. and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors GE IX/VC IV, LLC, and the general partner of Summit Investors GE IX/VC IV (UK), L.P.

F4 · ownership.direct: Summit Master Company, LLC, as the sole member of Summit Partners Entrepreneur Advisors GP II, LLC and the managing member of Summit Investors Management, LLC, has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to LifeStance Health Group, Inc. Summit Partners, L.P., through a three-person investment committee, currently composed of Peter Y. Chung, Mark A. deLaar and Craig D. Frances, has voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares. Each of the Summit Funds, Mr. Chung, Mr. deLaar and Dr. Frances disclaim disclaims beneficial ownership of the shares, except, in each case, to the extent of such person's or entity's pecuniary interest therein.

SEC source: 0000950170-24-066038 · ownership.xml · nonDerivative · entry 1

BLACK DARREN M. · CIK 0001843861 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes.

Disclosed balance after: 41,932,358

F1 · shares: Represents 2,328,399 shares sold by Summit Partners Growth Equity Fund IX-A, L.P., 1,453,820 shares sold by Summit Partners Growth Equity Fund IX-B, L.P., 16,253 shares sold by Summit Investors GE IX/VC IV, LLC, 2,173 shares sold by Summit Partners Entrepreneur Advisors Fund II, L.P., and 1,700 shares sold by Summit Investors GE IX/VC IV (UK), L.P.

F2 · balance_after: Represents 25,677,643 shares held by Summit Partners Growth Equity Fund IX-A, L.P., 16,032,765 shares held by Summit Partners Growth Equity Fund IX-B, L.P., 179,239 shares held by Summit Investors GE IX/VC IV, LLC, 23,961 shares held by Summit Partners Entrepreneur Advisors Fund II, L.P., and 18,750 shares held by Summit Investors GE IX/VC IV (UK), L.P.

F3 · ownership.nature: Darren Black is a Managing Director and Member of Summit Master Company, LLC, the general partner of Summit Partners, L.P. Summit Partners, L.P. is the managing member of Summit Partners GE IX, LLC, which is general partner of Summit Partners GE IX, LP, which is the general partner of Summit Partners Growth Equity Fund IX-A, L.P. and Summit Partners Growth Equity Fund IX-B, L.P. Summit Master Company, LLC is (i) the sole member of Summit Partners Entrepreneur Advisors GP II, LLC, which is the general partner of Summit Partners Entrepreneur Advisors Fund II, L.P. and (ii) the managing member of Summit Investors Management, LLC, which is the manager of Summit Investors GE IX/VC IV, LLC, and the general partner of Summit Investors GE IX/VC IV (UK), L.P.

F4 · ownership.nature: Summit Master Company, LLC, as the sole member of Summit Partners Entrepreneur Advisors GP II, LLC and the managing member of Summit Investors Management, LLC, has delegated investment decisions, including voting and dispositive power, to Summit Partners, L.P. and its investment committee responsible for voting and investment decisions with respect to LifeStance Health Group, Inc. Summit Partners, L.P., through a three-person investment committee, currently composed of Peter Y. Chung, Mark A. deLaar and Craig D. Frances, has voting and dispositive authority over the shares held by each of these entities and therefore beneficially owns such shares. Each of the Summit Funds, Mr. Chung, Mr. deLaar and Dr. Frances disclaim disclaims beneficial ownership of the shares, except, in each case, to the extent of such person's or entity's pecuniary interest therein.

SEC source: 0000950170-24-059636 · ownership.xml · nonDerivative · entry 2

Cipollone Paula · CIK 0001993631 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 239,915

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions ranging from $7.01 to $7.50 inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company 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.