RKLB

SEC source: 0000899243-23-014185 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,619,586

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.

SEC source: 0000899243-23-013991 · doc4.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 50,689

F1 · kind: 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: 0000899243-23-013991 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,090

F1 · kind: 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: 0000899243-23-013422 · 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: 0

F2 · 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: 0000899243-23-008283 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 568,493

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 $4.15 to $4.34, 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.

SEC source: 0000899243-23-008281 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,686,168

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 $4.15 to $4.34, 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.

SEC source: 0000899243-23-013422 · doc4.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 50,689

F1 · kind: 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.

F2 · 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: 0000899243-23-013422 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,779

F1 · kind: 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.

SEC source: 0000899243-22-038342 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

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 $4.11 to $4.15, 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: The reporting person disclaims beneficial ownership of any securities held by LogiQ, Inc. except to the extent of their pecuniary interest therein.

SEC source: 0000899243-22-037141 · doc4.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 50,688

F1 · kind: 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: 0000899243-22-037141 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,468

F1 · kind: 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: 0000899243-22-037139 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 591,025

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 $4.14 to $4.525, 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.

SEC source: 0000899243-22-037138 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,750,357

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 $4.14 to $4.525, 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.

SEC source: 0000899243-22-036412 · doc4.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 57,023,508

F1 · kind: On November 16, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 4,445,795 and 3,696,687 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · kind: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · shares: On November 16, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 4,445,795 and 3,696,687 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · shares: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · price: On November 16, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 4,445,795 and 3,696,687 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · price: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · balance_after: As of the date hereof, BVP VIII Inst and BVP VIII own 31,134,838 shares of Common Stock and 25,888,670 shares of Common Stock, respectively.

F3 · ownership.nature: Deer VIII & Co. Ltd. ("Deer Ltd.") is the general partner of Deer L.P. which is the general partner of each of the Funds. Deer Ltd. and Deer L.P. disclaim beneficial ownership of the securities held by the Funds, and this report shall not be deemed an admission that Deer Ltd. and Deer L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Funds.

F4 · ownership.nature: As of the date hereof, BVP VIII Inst and BVP VIII own 31,134,838 shares of Common Stock and 25,888,670 shares of Common Stock, respectively.

SEC source: 0000899243-22-031187 · doc4.xml · nonDerivative · entry 1

O'Donnell Shaun · CIK 0001880855 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 705,485

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.59 to $5.67, 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.

SEC source: 0000899243-22-030950 · doc4.xml · nonDerivative · entry 3

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By LogiQ, Inc

Disclosed balance after: 0

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.56 to $5.665, 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.

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: 0000899243-22-030950 · doc4.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By LogiQ, Inc

Disclosed balance after: 456,190

F1 · kind: 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: 0000899243-22-030950 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,156

F1 · kind: 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: 0000899243-22-037140 · doc4a.xml · nonDerivative · entry 3

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 0

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.56 to $5.665, 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.

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: 0000899243-22-037140 · doc4a.xml · nonDerivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By LogiQ, Inc.

Disclosed balance after: 456,190

F1 · kind: 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: 0000899243-22-037140 · doc4a.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,156

F1 · kind: 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: 0000899243-22-030667 · doc4.xml · derivative · entry 2

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 608,256 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.

F4 · derivative.exercise_price: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-twelfth of the RSUs satisfied the service-based vesting condition every three months from July 30, 2020 and were settled for 456,192 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.exercise_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-twelfth of the RSUs satisfied the service-based vesting condition every three months from July 30, 2020 and were settled for 456,192 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.expiration_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-twelfth of the RSUs satisfied the service-based vesting condition every three months from July 30, 2020 and were settled for 456,192 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

SEC source: 0000899243-22-030667 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 646,346

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

F1 · shares: Represents 456,192 shares of common stock issued on settlement of Restricted Stock Units ("RSUs") on September 6, 2022, and 152,064 RSUs subject to service-based vesting.

F2 · price: Each RSU represents a contingent right to receive one share of the issuer's common stock upon settlement.

F3 · balance_after: Includes 456,192 shares of common stock issued on settlement of RSUs on September 6, 2022; 152,064 RSUs previously reported in Table II that remain subject to service-based vesting requirements described in note 4 below; and 38,090 RSUs previously reported on Table I subject to service-based vesting requirements.

SEC source: 0000899243-22-030665 · doc4.xml · derivative · entry 2

Olson Jon A · CIK 0001331263 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 362,386 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.

F4 · derivative.exercise_price: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.exercise_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.expiration_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

SEC source: 0000899243-22-030665 · doc4.xml · nonDerivative · entry 1

Olson Jon A · CIK 0001331263 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,476

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

F1 · shares: Represents 120,795 shares of common stock issued on settlement of Restricted Stock Units ("RSUs") on September 6, 2022, and 241,591 RSUs subject to service-based vesting.

F2 · price: Each RSU represents a contingent right to receive one share of the issuer's common stock upon settlement.

F3 · balance_after: Includes 120,795 shares of common stock issued on settlement of RSUs on September 6, 2022; 241,591 RSUs previously reported in Table II that remain subject to service-based vesting requirements described in note 4 below; and 38,090 RSUs previously reported on Table I subject to service-based vesting requirements.

SEC source: 0000899243-22-030666 · doc4.xml · derivative · entry 2

O'Donnell Shaun · CIK 0001880855 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 724,772 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.

F4 · derivative.exercise_price: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 241,590 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I.

F4 · derivative.exercise_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 241,590 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I.

F4 · derivative.expiration_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 241,590 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I.

SEC source: 0000899243-22-030666 · doc4.xml · nonDerivative · entry 1

O'Donnell Shaun · CIK 0001880855 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 905,485

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

F1 · shares: Represents 241,590 shares of common stock issued on settlement of Restricted Stock Units ("RSUs") on September 6, 2022, and 483,182 RSUs subject to service-based vesting.

F2 · price: Each RSU represents a contingent right to receive one share of the issuer's common stock upon settlement.

F3 · balance_after: Includes 241,590 shares of common stock issued on settlement of RSUs on September 6, 2022; 483,182 RSUs previously reported in Table II that remain subject to service-based vesting requirements described in note 4 below; and 180,713 shares of common stock.

SEC source: 0000899243-22-030669 · doc4.xml · derivative · entry 2

Saintil Merline · CIK 0001699497 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 362,386 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.

F4 · derivative.exercise_price: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.exercise_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

F4 · derivative.expiration_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-third of the RSUs satisfied the service-based vesting condition on August 22, 2022 and were settled for 120,795 shares of common stock on September 6, 2022, and the remaining two-thirds of the RSUs vest in eight substantially equal quarterly installments on each November 22nd, March 1st, May 22nd and August 22nd thereafter. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I consistent with other service-based vesting RSU reporting.

SEC source: 0000899243-22-030669 · doc4.xml · nonDerivative · entry 1

Saintil Merline · CIK 0001699497 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,476

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

F1 · shares: Represents 120,795 shares of common stock issued on settlement of Restricted Stock Units ("RSUs") on September 6, 2022, and 241,591 RSUs subject to service-based vesting.

F2 · price: Each RSU represents a contingent right to receive one share of the issuer's common stock upon settlement.

F3 · balance_after: Includes 120,795 shares of common stock issued on settlement of RSUs on September 6, 2022; 241,591 RSUs previously reported in Table II that remain subject to service-based vesting requirements described in note 4 below; and 38,090 RSUs previously reported on Table I subject to service-based vesting requirements.

SEC source: 0000899243-22-030760 · doc4a.xml · derivative · entry 2

O'Donnell Shaun · CIK 0001880855 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 724,772 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.

F4 · derivative.exercise_price: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-sixteenth of the RSUs satisfied the service-based vesting condition at the end of each calendar quarter beginning June 30, 2019 and were settled for 543,579 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I. The time-based vesting schedule for these RSUs was incorrectly described in the reporting person's original Form 4.

F4 · derivative.exercise_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-sixteenth of the RSUs satisfied the service-based vesting condition at the end of each calendar quarter beginning June 30, 2019 and were settled for 543,579 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I. The time-based vesting schedule for these RSUs was incorrectly described in the reporting person's original Form 4.

F4 · derivative.expiration_date: The RSUs are subject to both a service-based vesting condition and liquidity-based vesting condition. The liquidity-based vesting condition was waived by the Board for these RSUs on September 6, 2022. One-sixteenth of the RSUs satisfied the service-based vesting condition at the end of each calendar quarter beginning June 30, 2019 and were settled for 543,579 shares of common stock on September 6, 2022, and the remaining RSUs will vest on the same schedule. As a result of the waiver of the liquidity-based vesting condition, the reporting person has elected to report the remaining unvested RSUs on Table I. The time-based vesting schedule for these RSUs was incorrectly described in the reporting person's original Form 4.

SEC source: 0000899243-22-030760 · doc4a.xml · nonDerivative · entry 1

O'Donnell Shaun · CIK 0001880855 · EVP - Global Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 905,485

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

F1 · shares: Represents 543,579 shares of common stock issued on settlement of Restricted Stock Units ("RSUs") on September 6, 2022, and 181,193 RSUs subject to service-based vesting.

F2 · price: Each RSU represents a contingent right to receive one share of the issuer's common stock upon settlement. The number of shares of common stock issued on settlement on September 6, 2022 and remaining RSUs were incorrectly described in the reporting person's original Form 4.

F3 · balance_after: Includes 543,579 shares of common stock issued on settlement of RSUs on September 6, 2022; 181,193 RSUs previously reported in Table II that remain subject to service-based vesting requirements described in note 4 below; and 180,713 shares of common stock. The number of shares of common stock issued on settlement on September 6, 2022 and remaining RSUs were incorrectly described in the reporting person's original Form 4

SEC source: 0000899243-22-030587 · doc4.xml · nonDerivative · entry 1

Frank Edward H. · CIK 0001589827 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,589

F1 · shares: Represents restricted stock units ("RSUs") granted to Dr. Frank under the Company's Amended and Restated Non-Employee Director Compensation Policy. Such RSUs vest as follows: 1/3 of the RSUs will vest September 2, 2023, 1/3 will vest September 2, 2024, and 1/3 will vest September 2, 2025, in each case subject to the reporting person's continuous service relationship through each applicable vesting date. The RSUs were granted on September 2, 2022.

SEC source: 0000899243-22-029750 · doc4.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 65,165,990

F1 · kind: On August 24, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · kind: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · shares: On August 24, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · shares: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · price: On August 24, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · price: (Continued from footnote 1) All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · balance_after: As of the date hereof, BVP VIII Inst and BVP VIII own 35,580,633 shares of Common Stock and 29,585,357 shares of Common Stock, respectively.

F3 · ownership.nature: Deer VIII & Co. Ltd. ("Deer Ltd.") is the general partner of Deer L.P. which is the general partner of each of the Funds. Deer Ltd. and Deer L.P. disclaim beneficial ownership of the securities held by the Funds, and this report shall not be deemed an admission that Deer Ltd. and Deer L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Funds.

F4 · ownership.nature: As of the date hereof, BVP VIII Inst and BVP VIII own 35,580,633 shares of Common Stock and 29,585,357 shares of Common Stock, respectively.

SEC source: 0000899243-22-029885 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 604,835

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 $5.14 to $5.35, 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: 0000899243-22-029887 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,796,016

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 $5.14 to $5.35, 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: 0000899243-22-024341 · doc4.xml · nonDerivative · entry 1

GRIFFIN MICHAEL D · CIK 0001045849 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,090

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 23, 2022.

SEC source: 0000899243-22-024330 · doc4.xml · nonDerivative · entry 1

COWAN DAVID J/CA · CIK 0001204817 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,310

F1 · shares: Represents restricted stock units ("RSUs") granted to David Cowan 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 23, 2022. The Reporting Person has agreed to assign to Deer Management Co. LLC the right to any shares issuable pursuant to this grant or any proceeds from the sale thereof.

F2 · balance_after: Includes 256,220 shares received from in-kind partnership distributions for no consideration since the Reporting Person's last required report.

SEC source: 0000899243-22-024339 · doc4.xml · nonDerivative · entry 1

Olson Jon A · CIK 0001331263 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,090

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 23, 2022.

SEC source: 0000899243-22-024347 · doc4.xml · nonDerivative · entry 1

Saintil Merline · CIK 0001699497 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,090

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 23, 2022.

SEC source: 0000899243-22-024441 · doc4.xml · nonDerivative · entry 1

Slusky Alexander R · CIK 0001357262 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,090

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 23, 2022.

SEC source: 0000899243-22-021010 · doc4.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · 10% owner

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · 10% owner

Deer VIII & Co. L.P. · CIK 0001559306 · 10% owner

Deer VIII & Co. Ltd. · CIK 0001559311 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 69,237,231

F1 · kind: On June 1, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · kind: (Continued from Footnote 1), All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · shares: On June 1, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · shares: (Continued from Footnote 1), All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · price: On June 1, 2022 Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII, L.P. ("BVP VIII", and together with BVP VIII Inst referred to collectively, the "Funds") distributed, for no consideration shares 2,222,898 and 1,848,343 shares, respectively (collectively, the "Shares"), of Common Stock to their limited partners and to Deer VIII & Co. L.P. ("Deer L.P."), representing each such partner's pro rata interest in such Shares. On the same date, one or more of such limited partner(s) distributed, for no consideration, the Shares to certain of its or their members in an amount equal to each such member's or members' respective pro rata interests in the Shares. Finally, on the same date, Deer L.P. distributed, for no consideration, the Shares it received from the distributions to its partners in an amount equal to each such partner's pro rata interest in the Shares.

F2 · price: (Continued from Footnote 1), All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · balance_after: As of the date hereof, BVP VIII Inst and BVP VIII own 37,803,531 shares of Common Stock and 31,433,700 shares of Common Stock, respectively.

F3 · ownership.nature: Deer VIII & Co. Ltd. ("Deer Ltd.") is the general partner of Deer L.P. which is the general partner of each of the Funds. Deer Ltd. and Deer L.P. disclaim beneficial ownership of the securities held by the Funds, and this report shall not be deemed an admission that Deer Ltd. and Deer L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the Funds.

F4 · ownership.nature: As of the date hereof, BVP VIII Inst and BVP VIII own 37,803,531 shares of Common Stock and 31,433,700 shares of Common Stock, respectively.

SEC source: 0000899243-22-018887 · doc4.xml · nonDerivative · entry 3

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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 37,823,617

F6 · kind: On May 17, 2022, 14,547,545 shares of Common Stock held by Khosla Ventures V, L.P. ("KV V") were distributed to the limited partners and general partners of KV V in a pro rata distribution for no consideration. Of such distributed shares, 5,438,597 shares of Common Stock were received by Khosla Ventures Associates V, LLC ("KVA V").

F7 · ownership.nature: Consists of securities held of record by KV V, of which KVA V is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA V. Each of KVA V, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV V, and each of KVA V, VK Services, and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV V. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its 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.

F8 · ownership.nature: Of the shares distributed by KV V to KVA V, all of such shares were subsequently distributed by KVA V to the underlying members of KVA V. Of such distributed shares, 3,576,629 shares of Common Stock were received by VK Services. As a result of such distributions, and those distributions made by KVA Seed B to VK Services, VK Services is now the record owner of 9,121,569 shares of Common Stock distributed by KVA Seed B and KVA V in such distributions, and each of KVA Seed B and KVA V is the record owner of 0 shares of Common Stock.

SEC source: 0000899243-22-018887 · doc4.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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,983,677

F3 · kind: On May 17, 2022, 762,952 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, 261,572 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, 5,544,940 shares of Common Stock were received by VK Services.

SEC source: 0000899243-22-018887 · doc4.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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 34,945,825

F1 · kind: On May 17, 2022, 13,440,701 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, 6,562,855 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, 5,544,940 shares of Common Stock were received by VK Services.

SEC source: 0000899243-22-018894 · doc4.xml · nonDerivative · entry 1

Strohband Sven · CIK 0001872947 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 239,773

F1 · kind: On May 17, 2022, shares of Common Stock held by Khosla Ventures V, L.P. ("KV V"), 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 V, KV Seed B and KV Seed B (CF) in a pro rata distribution for no consideration. Of such distributed shares, 172,221 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: 0000899243-22-018144 · doc4.xml · nonDerivative · entry 1

Kampani Arjun · CIK 0001671507 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 618,956

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 August 22, 2022 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 May 12, 2022.

SEC source: 0000899243-22-018150 · doc4.xml · nonDerivative · entry 1

Spice Adam C. · CIK 0001509421 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,837,524

F1 · shares: Represents restricted stock units ("RSUs") granted to Mr. Spice 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 August 22, 2022 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 May 12, 2022.

SEC source: 0000899243-22-011274 · doc4.xml · nonDerivative · entry 3

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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 52,371,162

F6 · kind: On March 14, 2022, 5,819,018 shares of Common Stock held by Khosla Ventures V, L.P. ("KV V") were distributed to the limited partners and general partners of KV V in a pro rata distribution for no consideration. Of such distributed shares, 2,018,115 shares of Common Stock were received by Khosla Ventures Associates V, LLC ("KVA V").

F7 · ownership.nature: Consists of securities held of record by KV V, of which KVA V is the general partner. Vinod Khosla is the managing member of VK Services, which is the sole manager of KVA V. Each of KVA V, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV V, and each of KVA V, VK Services, and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV V. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its 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.

F8 · ownership.nature: Of the shares distributed by KV V to KVA V, all of such shares were subsequently distributed by KVA V to the underlying members of KVA V. Of such distributed shares, 1,349,766 shares of Common Stock were received by VK Services. As a result of such distributions, and those distributions made by KVA Seed B to VK Services, VK Services is now the record owner of 3,359,300 shares of Common Stock and each of KVA Seed B and KVA V is the record owner of 0 shares of Common Stock.

SEC source: 0000899243-22-011274 · doc4.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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,746,629

F3 · kind: On March 14, 2022, 305,180 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, 104,628 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, 2,009,534 shares of Common Stock were received by VK Services.

SEC source: 0000899243-22-011274 · doc4.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: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 48,386,526

F1 · kind: On March 14, 2022, 5,376,280 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, 2,625,140 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.