Matthew Ocko - Sep 16, 2025 Form 4 Insider Report for Rocket Lab Corp (RKLB)

Role
Director
Signature
/s/ Matthew Ocko
Stock symbol
RKLB
Transactions as of
Sep 16, 2025
Transactions value $
-$90,280,095
Form type
4
Date filed
9/18/2025, 08:28 PM
Previous filing
Jun 18, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ocko Matthew Director C/O ROCKET LAB CORPORATION, 3881 MCGOWEN STREET, LONG BEACH /s/ Matthew Ocko 2025-09-18 0001836089

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RKLB Common Stock Sale -$14.4M -303K -27.98% $47.49 780K Sep 16, 2025 See Footnote F1, F2
transaction RKLB Common Stock Sale -$35.4M -745K -27.98% $47.49 1.92M Sep 16, 2025 See Footnote F1, F3
transaction RKLB Common Stock Sale -$6.74M -139K -17.81% $48.53 641K Sep 16, 2025 See Footnote F2, F4
transaction RKLB Common Stock Sale -$16.6M -342K -17.81% $48.53 1.58M Sep 16, 2025 See Footnote F3, F4
transaction RKLB Common Stock Sale -$3.32M -67.4K -10.51% $49.24 574K Sep 16, 2025 See Footnote F2, F5
transaction RKLB Common Stock Sale -$8.16M -166K -10.51% $49.24 1.41M Sep 16, 2025 See Footnote F3, F5
transaction RKLB Common Stock Sale -$653K -13K -2.26% $50.24 561K Sep 16, 2025 See Footnote F2, F6
transaction RKLB Common Stock Sale -$1.61M -31.9K -2.26% $50.24 1.38M Sep 16, 2025 See Footnote F3, F6
transaction RKLB Common Stock Sale -$466K -9K -1.61% $51.79 552K Sep 16, 2025 See Footnote F2, F7
transaction RKLB Common Stock Sale -$1.15M -22.1K -1.61% $51.79 1.36M Sep 16, 2025 See Footnote F3, F7
transaction RKLB Common Stock Sale -$530K -10.1K -1.84% $52.23 542K Sep 16, 2025 See Footnote F2, F8
transaction RKLB Common Stock Sale -$1.3M -25K -1.84% $52.23 1.33M Sep 16, 2025 See Footnote F3, F8
transaction RKLB Common Stock Other $0 -542K -100% $0.00 0 Sep 16, 2025 See Footnote F2, F9
transaction RKLB Common Stock Other $0 -1.33M -100% $0.00 0 Sep 16, 2025 See Footnote F3, F10
transaction RKLB Common Stock Other $0 -9.89K -50% $0.00 9.89K Sep 16, 2025 Three Kingdoms Capital Partners, LP F11, F12
transaction RKLB Common Stock Other $0 -164K -50% $0.00 164K Sep 16, 2025 SST Capital Management, LLC F13, F14
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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 at prices ranging from $47.013 to $48.01, inclusive. The Reporting Person undertakes to provide to Rocket Lab Corporation (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 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.
F3 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.
F4 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 at prices ranging from $48.013 to $49.01, 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 ranges set forth in this footnote.
F5 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 at prices ranging from $49.015 to $50.01, 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 ranges set forth in this footnote.
F6 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 at prices ranging from $50.02 to $50.398, 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 ranges set forth in this footnote.
F7 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 at prices ranging from $51.10 to $52.09, 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 ranges set forth in this footnote.
F8 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 at prices ranging from $52.10 to $52.45, 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 ranges set forth in this footnote.
F9 On September 16, 2025, DCVC IV distributed, for no consideration, 541,526 shares of Common Stock (the "DCVC IV Shares") to its limited partners and to DCVC IV GP, the general partner of DCVC IV, representing each such partner's pro rata interest in such DCVC IV Shares. DCVC IV GP then distributed, for no consideration, the DCVC IV Shares it received in the distribution by DCVC IV to its members, representing each such member's pro rata interest in such DCVC IV Shares.
F10 On September 16, 2025, DCVC Opportunity Fund II distributed, for no consideration, 1,331,569 shares of Common Stock (the "DCVC Opportunity Fund II Shares") to its limited partners and to DCVC Opportunity Fund II GP, the general partner of DCVC Opportunity Fund II, representing each such partner's pro rata interest in such DCVC Opportunity Fund II Shares. DCVC Opportunity Fund II GP then distributed, for no consideration, the DCVC Opportunity Fund II Shares it received in the distribution by DCVC Opportunity Fund II to its members, representing each such member's pro rata interest in such DCVC Opportunity Fund II Shares.
F11 Represents shares received by Three Kingdoms Capital Partners, LP pursuant to pro rata distributions by DCVC IV and DCVC Opportunity Fund II, for no consideration, of shares of Common Stock to their respective partners and such partners' members, as applicable.
F12 The shares are held of record by Three Kingdoms Capital Partners, LP of which the Reporting Person is an indirect member of the general partner. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest 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 purpose.
F13 Represents shares received by SST Capital Management, LLC pursuant to pro rata distributions by DCVC IV and DCVC Opportunity Fund II, for no consideration, of shares of Common Stock to their respective partners and such partners' members, as applicable.
F14 The shares are held of record by SST Capital Management, LLC of which the Reporting Person is a beneficial owner. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest 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 purpose.