Sec Form 3 Filing - Johnsen Bret W @ SPACE EXPLORATION TECHNOLOGIES CORP - 2026-06-11

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Johnsen Bret W 2. Issuer Name and Ticker or Trading Symbol SPACE EXPLORATION TECHNOLOGIES CORP [ SPCX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O SPACE EXPLORATION TECHNOLOGIES CORP., 1 ROCKET ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/11/2026 (Street) STARBASE, TX78521 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 2,518,540 I By B & C Johnsen Holdings LLC Class A Common Stock 3,867,560 I By Bret and Catherine Johnsen Family Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Option to Buy (Class A Common Stock) $ 4.4 ( 1 ) 04/24/2030 Class A Common Stock 586,850 D Option to Buy (Class A Common Stock) $ 8.3998 ( 2 ) 04/20/2031 Class A Common Stock 1,500,000 D Option to Buy (Class A Common Stock) $ 11.2 ( 1 ) 04/27/2032 Class A Common Stock 535,715 D Option to Buy (Class A Common Stock) $ 15.4 ( 3 ) 05/01/2033 Class A Common Stock 514,290 D Option to Buy (Class A Common Stock) $ 19.4 ( 4 ) 05/16/2034 Class A Common Stock 371,135 D Option to Buy (Class A Common Stock) $ 37 ( 5 ) 05/10/2035 Class A Common Stock 324,325 D Option to Buy (Class A Common Stock) $ 42.4 ( 6 ) 10/20/2035 Class A Common Stock 141,510 D Option to Buy (Class A Common Stock) $ 105.318 ( 7 ) 03/01/2036 Class A Common Stock 356,295 D Restricted Stock Units $ 0 ( 8 ) ( 8 ) Class A Common Stock 71,445 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Johnsen Bret W C/O SPACE EXPLORATION TECHNOLOGIES CORP. 1 ROCKET ROAD STARBASE, TX78521 Chief Financial Officer Signatures /s/ Sheldon Nagesh, as attorney-in-fact 06/11/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The options are fully vested and exercisable. ( 2 )The options are vested as to 1,238,400 shares and 261,600 shares will vest in approximately equal monthly installments through November 15, 2026, subject to the Reporting Person's continued employment with the Issuer. ( 3 )The options are vested as to 192,860 shares and 321,430 shares will vest in approximately equal monthly installments through November 15, 2028, subject to the Reporting Person's continued employment with the Issuer. ( 4 )The options are vested as to 46,390 shares and 324,745 shares will vest in approximately equal monthly installments through November 15, 2029, subject to the Reporting Person's continued employment with the Issuer. ( 5 )The options vest as follows: (i) 129,730 vest in approximately equal monthly installments from January 1, 2027 through December 1, 2027 and (ii) 194,595 vest in approximately equal monthly installments from January 1, 2028 through December 1, 2030, in each case, subject to the Reporting Person's continued employment with the Issuer. ( 6 )The options vest as to 20% on September 30, 2027 and thereafter in approximately equal monthly installments through September 30, 2031, subject to the Reporting Person's continued employment with the Issuer. ( 7 )The options vest as to 20% on November 15, 2027 and thereafter in approximately equal monthly installments through November 15, 2031, subject to the Reporting Person's continued employment with the Issuer. ( 8 )The restricted stock units vest as to 30% on November 15, 2027 and thereafter in equal six-month installments through May 15, 2031, subject to the Reporting Person's continued employment with the Issuer.

Remarks: Exhibit 24 - Power of Attorney

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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