RKLB

SEC source: 0000950170-24-128168 · ownership.xml · nonDerivative · entry 2

Ocko Matthew · CIK 0001836089 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 5,781,250

F1 · price: The price reported in column 4 is a weighted average price of the aggregate number of shares sold. These shares were sold in multiple transactions with 1,782,427 shares sold at prices ranging from $17.2800 to $18.2700, 197,712 shares sold at prices ranging from $18.2800 to $19.2500 and 19,861 shares sold at prices ranging from $19.3000 to $19.6600, inclusive. The Reporting Person undertakes to provide to Rocket Lab USA, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F3 · ownership.nature: Represents securities held of record by DCVC Opportunity Fund II, L.P. ("DCVC Opportunity Fund II"). DCVC Opportunity Fund II GP, LLC ("DCVC Opportunity Fund II GP") is the general partner of DCVC Opportunity Fund II and has sole voting and dispositive power with regard to the securities held by DCVC Opportunity Fund II. The Reporting Person is a managing member of DCVC Opportunity Fund II GP and shares voting and dispositive power with respect to the securities held by DCVC Opportunity Fund II. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of such securities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his indirect pecuniary interest therein, if any.

SEC source: 0000950170-24-128168 · ownership.xml · nonDerivative · entry 1

Ocko Matthew · CIK 0001836089 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,351,135

F1 · price: The price reported in column 4 is a weighted average price of the aggregate number of shares sold. These shares were sold in multiple transactions with 1,782,427 shares sold at prices ranging from $17.2800 to $18.2700, 197,712 shares sold at prices ranging from $18.2800 to $19.2500 and 19,861 shares sold at prices ranging from $19.3000 to $19.6600, inclusive. The Reporting Person undertakes to provide to Rocket Lab USA, Inc. (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.nature: Represents securities held of record by Data Collective IV, L.P. ("DCVC IV"). Data Collective IV GP, LLC ("DCVC IV GP") is the general partner of DCVC IV and has sole voting and dispositive power with regard to the securities held by DCVC IV. The Reporting Person is a managing member of DCVC IV GP and shares voting and dispositive power with respect to the securities held by DCVC IV. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of such securities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his indirect pecuniary interest therein, if any.

SEC source: 0000950170-24-108572 · ownership.xml · nonDerivative · entry 1

Klein Frank · CIK 0002037530 · Chief Operations Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,500,000

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person under the Rocket Lab USA, Inc. 2021 Stock Option and Incentive Plan (the "2021 Plan"). Such RSUs will vest as follows: 1/16 of the RSUs will vest on November 22, 2024 and 1/16 of the RSUs will vest on each March 1st, May 22nd, August 22nd and November 22nd thereafter, in each case subject to the reporting person's continuous service relationship through each applicable vesting date. The RSUs were granted on September 19, 2024.

SEC source: 0000950170-24-108830 · ownership.xml · nonDerivative · entry 1

Possenriede Kenneth R · CIK 0001524478 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,218

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders following September 19, 2024 and (ii) June 12, 2025, subject to the reporting person's continuous service as a member of the Board of Directors through such date. The RSUs were granted on September 19, 2024.

SEC source: 0000950170-24-108829 · ownership.xml · nonDerivative · entry 1

Armagno Nina · CIK 0001991365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,294

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest as to 100% on September 19, 2024. The RSUs were granted on September 19, 2024.

SEC source: 0000950170-24-133514 · ownership.xml · nonDerivative · entry 3

Slusky Alexander R · CIK 0001357262 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 0

F5 · shares: Represents a bona fide gift of shares to a charitable entity.

F4 · ownership.nature: These shares are held by The Bellevue Trust (the "Trust"), of which the Reporting Person is trustee of the Trust, and the Reporting Person and members of his immediate family are the sole beneficiaries of the Trust.

SEC source: 0000950170-24-101379 · ownership.xml · nonDerivative · entry 2

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: On August 26, 2024, 152,591 shares of Common Stock held by Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B (CF) in pro rata distributions for no consideration. Of such distributed shares, 52,315 shares of Common Stock were received by KVA Seed B.

F4 · ownership.nature: Consists of securities held of record by KV Seed B (CF), of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B (CF), and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 1,016,469 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 25,613,601 shares of Common Stock, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-101379 · ownership.xml · nonDerivative · entry 1

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On August 26, 2024, 2,688,142 shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") were distributed to the limited partners and general partners of KV Seed B in a pro rata distribution for no consideration. Of such distributed shares, 1,312,570 shares of Common Stock were received by Khosla Ventures Seed Associates B, LLC ("KVA Seed B").

F2 · ownership.nature: Consists of securities held of record by KV Seed B, of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B, and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 1,016,469 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 25,613,601 shares of Common Stock, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-100739 · ownership.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 0

SEC source: 0000950170-24-100710 · ownership.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 637,558

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.78 to $7.06, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-100736 · ownership.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,321,165

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.78 to $7.06, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-100259 · ownership.xml · nonDerivative · entry 1

Possenriede Kenneth R · CIK 0001524478 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,797

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs vest as follows: 1/3 of the RSUs will vest August 21, 2025, 1/3 will vest August 21, 2026, and 1/3 will vest August 21, 2027, in each case subject to the reporting person's continuous service relationship through each applicable vesting date. The RSUs were granted on August 21, 2024.

SEC source: 0000950170-24-098220 · ownership.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 39,446

F1 · shares: The reporting person transferred these shares to LogiQ, Inc., a corporation controlled by the reporting person and in which the reporting person holds a 50% economic interest. The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

F1 · ownership.nature: The reporting person transferred these shares to LogiQ, Inc., a corporation controlled by the reporting person and in which the reporting person holds a 50% economic interest. The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

SEC source: 0000950170-24-098220 · ownership.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,353

F1 · shares: The reporting person transferred these shares to LogiQ, Inc., a corporation controlled by the reporting person and in which the reporting person holds a 50% economic interest. The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

SEC source: 0000950170-24-097037 · ownership.xml · nonDerivative · entry 2

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 152,591

F3 · kind: On August 12, 2024, 610,362 shares of Common Stock held by Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B (CF) in pro rata distributions for no consideration. Of such distributed shares, 209,253 shares of Common Stock were received by KVA Seed B.

F4 · ownership.nature: Consists of securities held of record by KV Seed B (CF), of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B (CF), and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 4,067,887 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 24,597,132 shares of Common Stock, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-097037 · ownership.xml · nonDerivative · entry 1

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,688,142

F1 · kind: On August 12, 2024, 10,752,561 shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") were distributed to the limited partners and general partners of KV Seed B in a pro rata distribution for no consideration. Of such distributed shares, 5,250,283 shares of Common Stock were received by Khosla Ventures Seed Associates B, LLC ("KVA Seed B").

F2 · ownership.nature: Consists of securities held of record by KV Seed B, of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B, and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 4,067,887 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 24,597,132 shares of Common Stock, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-073941 · ownership.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,799

F1 · shares: Represents restricted stock units ("RSUs") granted to Michael D. Griffin under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-073933 · ownership.xml · nonDerivative · entry 1

Olson Jon A · CIK 0001331263 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,275

F1 · shares: Represents restricted stock units ("RSUs") granted to Jon A. Olson under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-073940 · ownership.xml · nonDerivative · entry 1

Slusky Alexander R · CIK 0001357262 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,889

F1 · shares: Represents restricted stock units ("RSUs") granted to Alexander R. Slusky under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-073927 · ownership.xml · nonDerivative · entry 1

Frank Edward H. · CIK 0001589827 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,044

F1 · shares: Represents restricted stock units ("RSUs") granted to Edward H. Frank under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-073934 · ownership.xml · nonDerivative · entry 1

Saintil Merline · CIK 0001699497 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,275

F1 · shares: Represents restricted stock units ("RSUs") granted to Merline Saintil under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-073944 · ownership.xml · nonDerivative · entry 1

Armagno Nina · CIK 0001991365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,296

F1 · shares: Represents restricted stock units ("RSUs") granted to Nina Armagno under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 12, 2024.

SEC source: 0000950170-24-065492 · ownership.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 666,121

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.18 to $4.245, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-065490 · ownership.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,383,677

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.18 to $4.245, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

F3 · balance_after: Includes 5,000 shares acquired under the Rocket Lab USA, Inc. 2021 Employee Stock Purchase Plan on May 21, 2024 in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0000950170-24-058623 · ownership.xml · nonDerivative · entry 2

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 762,953

F3 · kind: On May 9, 2024, 610,362 shares of Common Stock held by Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B (CF) in pro rata distributions for no consideration. Of such distributed shares, 209,255 shares of Common Stock were received by KVA Seed B.

F4 · ownership.nature: Consists of securities held of record by KV Seed B (CF), of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B (CF), and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 4,067,811 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 8,050,876 shares of Common Stock distributed by KVA Seed B in such distributions, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-058623 · ownership.xml · nonDerivative · entry 1

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 13,440,703

F1 · kind: On May 9, 2024, 10,752,561 shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") were distributed to the limited partners and general partners of KV Seed B in a pro rata distribution for no consideration. Of such distributed shares, 5,250,280 shares of Common Stock were received by Khosla Ventures Seed Associates B, LLC ("KVA Seed B").

F2 · ownership.nature: Consists of securities held of record by KV Seed B, of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B, and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 4,067,811 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 8,050,876 shares of Common Stock distributed by KVA Seed B in such distributions, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-058909 · ownership.xml · nonDerivative · entry 1

Strohband Sven · CIK 0001872947 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 324,341

F1 · kind: On May 9, 2024, shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") and Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B and KV Seed B (CF) in a pro rata distribution for no consideration. Of such distributed shares, 25,104 shares of Common Stock were received by Dr. Strohband.

F2 · ownership.nature: Consists of securities held of record by a trust for the benefit of Dr. Strohband and his family.

SEC source: 0000950170-24-030871 · ownership.xml · nonDerivative · entry 2

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,373,315

F3 · kind: On March 11, 2024, 610,362 shares of Common Stock held by Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B (CF) in pro rata distributions for no consideration. Of such distributed shares, 209,255 shares of Common Stock were received by KVA Seed B.

F4 · ownership.nature: Consists of securities held of record by KV Seed B (CF), of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B (CF), and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 3,982,565 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 3,982,565 shares of Common Stock distributed by KVA Seed B in such distributions, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-030871 · ownership.xml · nonDerivative · entry 1

KHOSLA VENTURES SEED B, L.P. · CIK 0001551426 · 10% owner

KHOSLA VENTURES SEED B (CF), L.P. · CIK 0001551427 · 10% owner

Khosla Ventures Seed Associates B, LLC · CIK 0001845461 · 10% owner

Khosla Ventures V, L.P. · CIK 0001611146 · 10% owner

Khosla Ventures Associates V, LLC · CIK 0001611145 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 24,193,264

F1 · kind: On March 11, 2024, 10,752,561 shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") were distributed to the limited partners and general partners of KV Seed B in a pro rata distribution for no consideration. Of such distributed shares, 5,250,279 shares of Common Stock were received by Khosla Ventures Seed Associates B, LLC ("KVA Seed B").

F2 · ownership.nature: Consists of securities held of record by KV Seed B, of which KVA Seed B is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the sole manager of KVA Seed B. Each of KVA Seed B, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV Seed B, and each of KVA Seed B, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV Seed B. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its respective pecuniary interests therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F5 · ownership.nature: Of the shares distributed by each of KV Seed B and KV Seed B (CF) to KVA Seed B, all of such shares were subsequently distributed by KVA Seed B to the underlying members of KVA Seed B. Of such distributed shares, 3,982,565 shares of Common Stock were received by VK Services. As a result of such distributions, VK Services is now the record owner of 3,982,565 shares of Common Stock distributed by KVA Seed B in such distributions, and KVA Seed B is the record owner of no shares of Common Stock.

SEC source: 0000950170-24-031034 · ownership.xml · nonDerivative · entry 1

Strohband Sven · CIK 0001872947 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 299,237

F1 · kind: On March 11, 2024, shares of Common Stock held by Khosla Ventures Seed B, L.P. ("KV Seed B") and Khosla Ventures Seed B (CF), L.P. ("KV Seed B (CF)") were distributed to the limited partners and general partners of KV Seed B and KV Seed B (CF) in a pro rata distribution for no consideration. Of such distributed shares, 59,464 shares of Common Stock were received by Dr. Strohband.

F2 · ownership.nature: Consists of securities held of record by a trust for the benefit of Dr. Strohband and his family.

SEC source: 0000950170-24-028260 · ownership.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 695,147

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.17 to $4.38, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-028259 · ownership.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,442,206

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.17 to $4.38, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-24-003486 · ownership.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 726,541

F1 · shares: Represents restricted stock units ("RSUs") granted to Mr. Kampani under the Rocket Lab USA, Inc. 2021 Stock Option and Incentive Plan (the "2021 Plan"). Such RSUs will vest as follows: 1/16 of the RSUs will vest on March 1, 2024 and 1/16 of the RSUs will vest on each March 1st, May 22nd, August 22nd or November 22nd thereafter, in each case subject to the reporting person's continuous service relationship through each applicable vesting date. The RSUs were granted on January 6, 2024.

SEC source: 0000950170-23-067114 · ownership.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 505,947

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.35 to $4.62, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000950170-23-067115 · ownership.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,509,366

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.35 to $4.62, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

F3 · balance_after: Includes 794 shares acquired under the Rocket Lab USA, Inc. 2021 Employee Stock Purchase Plan on November 21, 2023 in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0000950170-23-057889 · ownership.xml · nonDerivative · entry 1

Armagno Nina · CIK 0001991365 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,943

F1 · shares: Represents restricted stock units ("RSUs") granted to Lt. Gen. Armagno (Ret.) under the Company's Amended and Restated Non-Employee Director Compensation Policy. Such RSUs vest as follows: 1/3 of the RSUs will vest October 30, 2024, 1/3 will vest October 30, 2025, and 1/3 will vest October 30, 2026, in each case subject to the reporting person's continuous service relationship through each applicable vesting date. The RSUs were granted on October 30, 2023.

SEC source: 0000950170-23-048214 · ownership.xml · nonDerivative · entry 1

Frank Edward H. · CIK 0001589827 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,691

F1 · shares: Represents restricted stock units ("RSUs") granted to Edward H. Frank under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on September 15, 2023. The RSUs were granted on September 12, 2023.

SEC source: 0000950170-23-047922 · ownership.xml · nonDerivative · entry 1

Beck Peter · CIK 0001881842 · Director · President, CEO and Chairman · 10% owner

Beck Kerryn · CIK 0001880895 · 10% owner

Butler Warren · CIK 0001880893 · 10% owner

Equatorial Trust · CIK 0001881791 · 10% owner

Peek Street Equatorial Trustee Ltd · CIK 0001881857 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Equatorial Trust

Disclosed balance after: 50,951,250

F1 · ownership.nature: Held directly by the Equatorial Trust (the "Trust"), a family trust settled by Peter Beck and Kerryn Beck. Peek Street Equatorial Trustee Limited (the "Trustee") is the trustee of the Trust and each of Peter Beck, Kerryn Beck and Warren Butler serve as a director of the Trustee with shared voting and investment control of the shares and, as a result, the Trustee and each such individual is deemed to be an indirect beneficial owner of the reported securities. Each reporting owner disclaims his, her or its beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest.

SEC source: 0000950170-23-045773 · ownership.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 0

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.1250 to $6.4450, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

F2 · ownership.nature: These shares are owned directly by LogiQ, Inc., a corporation controlled by the reporting person and in which the reporting person holds a 50% economic interest. The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of his pecuniary interest therein.

SEC source: 0000899243-23-018576 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 525,390

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.63 to $5.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

SEC source: 0000899243-23-018577 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,566,293

F1 · shares: Represents the sale of shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.63 to $5.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.

F3 · balance_after: Includes 3,142 shares and 4,942 shares acquired under the Rocket Lab USA, Inc. 2021 Employee Stock Purchase Plan on May 20, 2022 and May 19, 2023, respectively, in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0000899243-23-015810 · doc4.xml · nonDerivative · entry 3

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 38,090

F2 · ownership.nature: The reporting person transferred these shares to LogiQ, Inc., a corporation controlled by the reporting person and in which the reporting person holds a 50% economic interest. The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

SEC source: 0000899243-23-015810 · doc4.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,446

SEC source: 0000899243-23-015810 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,536

F1 · shares: Represents restricted stock units ("RSUs") granted to Michael D. Griffin under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 14, 2023.

SEC source: 0000899243-23-015813 · doc4.xml · nonDerivative · entry 1

Olson Jon A · CIK 0001331263 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,922

F1 · shares: Represents restricted stock units ("RSUs") granted to Jon A. Olson under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 14, 2023.

SEC source: 0000899243-23-015814 · doc4.xml · nonDerivative · entry 1

Slusky Alexander R · CIK 0001357262 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,536

F1 · shares: Represents restricted stock units ("RSUs") granted to Alexander R. Slusky under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 14, 2023.

SEC source: 0000899243-23-015809 · doc4.xml · nonDerivative · entry 1

Frank Edward H. · CIK 0001589827 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,035

F1 · shares: Represents restricted stock units ("RSUs") granted to Edward H. Frank under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 14, 2023.

SEC source: 0000899243-23-015806 · doc4.xml · nonDerivative · entry 1

Saintil Merline · CIK 0001699497 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 439,922

F1 · shares: Represents restricted stock units ("RSUs") granted to Merline Saintil under the Rocket Lab USA, Inc. Amended and Restated Non-Employee Director Compensation Policy. Such RSUs will vest in full on the earlier of (i) the one-year anniversary of the grant date or (ii) the next Annual Meeting of Stockholders. The RSUs were granted on June 14, 2023.

SEC source: 0000899243-23-014907 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 0

F1 · ownership.nature: The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

SEC source: 0000899243-23-014183 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 546,065

F1 · shares: Represents the sale of Common Shares pursuant to a "sell-to-cover" transaction in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the reporting person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.39 to $4.515, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.