Desai Antal Rohit

SEC source: 0000905148-23-001027 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

CPMG Inc · CIK 0001372218 · Director · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The 2:22 DNA Trust

Disclosed balance after: 0

F4 · price: Pursuant to the Agreement and Plan of Merger, dated July 28, 2023, by and among the Issuer, Biogen Inc. ("Biogen") and River Acquisition, Inc., the Issuer became a wholly-owned subsidiary of Biogen upon consummation of the merger (the "Effective Time"). At the Effective Time, each of the Issuer's outstanding shares of Class A common stock and Class B common stock was canceled and extinguished and automatically converted into the right to receive $172.50 in cash, without interest, less any withholding taxes.

F1 · ownership.direct: Mr. Desai and his spouse serve as co-trustees of The 2:22 DNA Trust.

F3 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: Mr. Desai and his spouse serve as co-trustees of The 2:22 DNA Trust.

F3 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owners of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001628280-23-022490 · wk-form4_1686948364.xml · derivative · entry 2

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,865

Underlying: Common Stock · 4,865 shares

Expires 2033-06-14

F2 · derivative.exercise_date: The Stock Option was granted on June 15, 2023 and vests in full on the earlier to occur of (i) the one-year anniversary of the grant date, or (ii) the date of the next annual meeting following the grant date, subject to continued service through the applicable vesting date.

SEC source: 0001628280-23-022490 · wk-form4_1686948364.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,594

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. The securities shall vest in full on the earlier to occur of (i) the one-year anniversary of the grant date, and (ii) the date of the next annual meeting following the grant date, subject to continued service through the applicable vesting date.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 6

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Mallard Fund, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 5

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Kestrel Fund, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 4

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Crested Crane, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 3

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Roadrunner Fund, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 2

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Killdeer Fund, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-23-016439 · form4.xml · nonDerivative · entry 1

CPMG Inc · CIK 0001372218 · 10% owner · See Remarks

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Curlew Fund, LP

Disclosed balance after: 0

F3 · kind: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F3 · price: Reflects the disposition of the Reporting Persons' indirectly owned shares of the Issuer's common stock, par value $0.001 per share ("Issuer Common Stock"), upon the consummation of the transactions contemplated by the Agreement and Plan of Merger (the "Merger Agreement"), dated as of November 29, 2022, among the Issuer, Boston Scientific Corporation ("Parent") and Textile Merger Sub, Inc., an indirect wholly owned subsidiary of Parent ("Merger Sub"), including the consummation of the merger between the Issuer and Merger Sub on April 4, 2023 (the "Merger"). Pursuant to the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each outstanding share of Issuer Common Stock was canceled and converted automatically into the right to receive $10.00 in cash, without interest (the "Merger Consideration"), less applicable taxes and authorized deductions.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · derivative · entry 9

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Roadrunner Fund, LP

Disclosed balance after: 0

Underlying: Common Stock · 1,465,770 shares

Expires 2026-08-12

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · derivative · entry 8

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Killdeer Fund, LP

Disclosed balance after: 0

Underlying: Common Stock · 586,308 shares

Expires 2026-08-12

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · derivative · entry 7

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Curlew Fund, LP

Disclosed balance after: 0

Underlying: Common Stock · 146,577 shares

Expires 2026-08-12

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · nonDerivative · entry 3

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Roadrunner Fund, LP

Disclosed balance after: 3,687,781

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F6 · balance_after: This amount includes an aggregate 70,802 shares issued by the Issuer to the Roadrunner Fund, LP since the last Form 4 filed by the Reporting Person on October 19, 2021, including 56,598 shares paid in the semi-annual interest payments in January 2022 and in July 2022, and 14,204 shares paid on accrued but unpaid interest through the Forced Conversion Date, on the Debentures held by the Roadrunner Fund, LP, which transactions were exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9(a).

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · nonDerivative · entry 2

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Killdeer Fund, LP

Disclosed balance after: 1,310,701

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F5 · balance_after: This amount includes an aggregate 28,322 shares issued by the Issuer to the Killdeer Fund, LP since the last Form 4 filed by the Reporting Person on October 19, 2021, including 22,640 shares paid in the semi-annual interest payments in January 2022 and in July 2022, and 5,682 shares paid on accrued but unpaid interest through the Forced Conversion Date, on the Debentures held by the Killdeer Fund, LP, which transactions were exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9(a).

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-047713 · form4.xml · nonDerivative · entry 1

CPMG Inc · CIK 0001372218 · 10% owner

Desai Antal Rohit · CIK 0001881616 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Curlew Fund, LP

Disclosed balance after: 675,181

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

F3 · kind: On December 28, 2022 (the "Forced Conversion Date"), the Issuer notified the holders of its outstanding 6.0% Convertible Debentures due 2026 (the "Debentures") that it elected to cause the eligible portion of the aggregate principal amount of the Debentures outstanding to be converted into shares of the Issuer's common stock at the fixed conversion price of $3.25 per share and to issue shares of the Issuer's common stock to satisfy accrued but unpaid interest on the principal amount to be converted through the Forced Conversion Date.

F4 · balance_after: This amount includes an aggregate 7,082 shares issued by the Issuer to the Curlew Fund, LP since the last Form 4 filed by the Reporting Person on October 19, 2021, including 5,661 shares paid in the semi-annual interest payments in January 2022 and in July 2022, and 1,421 shares paid on accrued but unpaid interest through the Forced Conversion Date, on the Debentures held by the Curlew Fund, LP, which transactions were exempt from Section 16 of the Exchange Act pursuant to Rule 16a-9(a).

F1 · ownership.direct: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.direct: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

F1 · ownership.nature: CPMG, Inc. is the investment manager of each of: Crested Crane, LP; Curlew Fund, LP; Kestrel Fund, LP; Mallard Fund, LP; Roadrunner Fund, LP; and Killdeer Fund, LP (the "Funds"). In such capacity, CPMG, Inc. may be deemed to have voting and investment power over the securities held directly by each of the Funds. Kent McGaughy, Jr. and Antal Desai, each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares held directly by the Funds. Kent McGaughy, Jr. reports his beneficial ownership of these shares on a separate Form 4.

F2 · ownership.nature: Each of CPMG, Inc. and Mr. Desai (collectively, the "Reporting Persons") disclaims beneficial ownership of the securities reported herein except to the extent of its and his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Persons are the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.

SEC source: 0001140361-22-044738 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 5,029,869

F2 · kind: On December 5, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 236,734 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F2 · balance_after: On December 5, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 236,734 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F1 · ownership.nature: Antal Desai, a member of the Issuer's board of directors, and Kent McGaughy, Jr., each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by each of White Tailed Ptarmigan, LP, Kestrel Fund, L.P. and Mallard Fund, L.P. (collectively, the "CPMG Funds") Mr. Desai disclaims beneficial ownership of the shares beneficially owned by the CPMG Funds except to the extent of any pecuniary interest therein. Kent McGaughy, Jr., CPMG, Inc. and White Tailed Ptarmigan, LP jointly report their beneficial ownership of these shares on a separate Form 4.

SEC source: 0001140361-22-041924 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 6,993,137

F2 · kind: On November 14, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 233,056 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F2 · balance_after: On November 14, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 233,056 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F1 · ownership.nature: Antal Desai, a member of the Issuer's board of directors, and Kent McGaughy, Jr., each of whom is a shareholder and managing partner of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by each of White Tailed Ptarmigan, LP, Kestrel Fund, L.P. and Mallard Fund, L.P. (collectively, the "CPMG Funds") Mr. Desai disclaims beneficial ownership of the shares beneficially owned by the CPMG Funds except to the extent of any pecuniary interest therein. Kent McGaughy, Jr., CPMG, Inc. and White Tailed Ptarmigan, LP jointly report their beneficial ownership of these shares on a separate Form 4.

SEC source: 0001140361-22-033192 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 8,955,675

F2 · kind: On September 9, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 133,176 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F2 · balance_after: On September 9, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 133,176 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F1 · ownership.nature: Antal Desai, a member of the Issuer's board of directors, and Kent McGaughy, Jr., each of whom is a shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by each of White Tailed Ptarmigan, LP, Kestrel Fund, L.P. and Mallard Fund, L.P. (collectively, the "CPMG Funds") Mr. Desai disclaims beneficial ownership of the shares beneficially owned by the CPMG Funds except to the extent of any pecuniary interest therein. Kent McGaughy, Jr., CPMG, Inc. and White Tailed Ptarmigan, LP jointly report their beneficial ownership of these shares on a separate Form 4.

SEC source: 0001140361-22-032771 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 10,075,491

F2 · kind: On September 6, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 99,881 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F2 · balance_after: On September 6, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 99,881 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13.

F1 · ownership.nature: Antal Desai, a member of the Issuer's board of directors, and Kent McGaughy, Jr., each of whom is a shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by each of White Tailed Ptarmigan, LP, Kestrel Fund, L.P. and Mallard Fund, L.P. (collectively, the "CPMG Funds"). Mr. Desai disclaims beneficial ownership of the shares beneficially owned by the CPMG Funds except to the extent of any pecuniary interest therein. Kent McGaughy, Jr., CPMG, Inc. and White Tailed Ptarmigan, LP jointly report their beneficial ownership of these shares on a separate Form 4.

SEC source: 0001628280-22-016688 · wf-form4_165480565111746.xml · derivative · entry 2

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,205

Underlying: Common Stock · 4,205 shares

Expires 2032-06-06

F2 · price: The Stock option was granted on June 7, 2022 and vests in full on the earlier to occur of (i) the one-year anniversary of the grant date, or (ii) the date of the next annual meeting following the grant date, subject to continued service through the applicable vesting date.

F2 · derivative.exercise_date: The Stock option was granted on June 7, 2022 and vests in full on the earlier to occur of (i) the one-year anniversary of the grant date, or (ii) the date of the next annual meeting following the grant date, subject to continued service through the applicable vesting date.

SEC source: 0001628280-22-016688 · wf-form4_165480565111746.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,641

F1 · shares: These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. The securities shall vest in full on the earlier to occur of (i) the one-year anniversary of the grant date, and (ii) the date of the next annual meeting following the grant date, subject to continued service through the applicable vesting date.

SEC source: 0001140361-22-010391 · form4.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 10,918,394

F2 · kind: White Tailed Ptarmigan, LP distributed these shares to one of its partners on a pro rata basis, for no consideration.

F1 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 15

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 0

Underlying: Common Stock · 272,205 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 14

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 0

Underlying: Common Stock · 2,060,802 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 13

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 0

Underlying: Common Stock · 3,038,934 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 12

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 0

Underlying: Common Stock · 4,712,969 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 11

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By The 2:22 DNA Trust

Disclosed balance after: 0

Underlying: Common Stock · 1,249 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 10

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By The 2:22 DNA Trust

Disclosed balance after: 0

Underlying: Common Stock · 9,104 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 9

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By The 2:22 DNA Trust

Disclosed balance after: 0

Underlying: Common Stock · 39,164 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 8

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,668 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 7

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,468 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 6

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,284 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · derivative · entry 5

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,220 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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · nonDerivative · entry 4

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,640

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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · nonDerivative · entry 3

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 11,222,662

F3 · shares: Represents a purchase in the Issuer's public offering.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · nonDerivative · entry 2

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By White Tailed Ptarmigan, LP

Disclosed balance after: 10,782,662

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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

F2 · ownership.nature: Antal Desai, a member of our board of directors and a Partner of CPMG, Inc., along with Kent McGaughy, Jr., the sole shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by White Tailed Ptarmigan, LP. Mr. Desai disclaims beneficial ownership of the shares beneficially owned by White Tailed Ptarmigan, LP except to the extent of any pecuniary interest therein.

SEC source: 0001628280-21-018959 · wf-form4_163226376798152.xml · nonDerivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By The 2:22 DNA Trust

Disclosed balance after: 49,517

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 share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock and Series G Preferred Stock converted automatically into one share of Common Stock upon the closing of the Issuer's initial public offering. These shares had no expiration date.

SEC source: 0001628280-21-018796 · wf-form4_163183196394006.xml · derivative · entry 1

Desai Antal Rohit · CIK 0001881616 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,308

Underlying: Common Stock · 10,308 shares

Expires 2031-09-14

F1 · price: Option will vest and become exercisable in full on the earlier of September 14, 2022 or the day prior to the date of the 2022 annual meeting of the stockholders, subject to the director's continued service.

F1 · derivative.exercise_date: Option will vest and become exercisable in full on the earlier of September 14, 2022 or the day prior to the date of the 2022 annual meeting of the stockholders, subject to the director's continued service.