CoreWeave (CRWV) officer’s trusts convert and sell 22,915 Class A shares

Rhea-AI Filing Summary

CoreWeave, Inc.’s Chief Development Officer, Brannin McBee, reported a set of indirect transactions involving trusts holding company stock. On 2026-03-16, grantor retained annuity trusts (GRATs) associated with McBee converted a total of 22,915 shares of Class B Common Stock into an equal number of Class A shares at a conversion price of $0.00 per share.

Those newly issued Class A shares were then sold in multiple open-market transactions totaling 22,915 shares at prices between $81.95 and $88.00, pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on November 17, 2025. After these trades, entities associated with McBee still indirectly hold substantial positions, including 108,600 and 122,000 Class A shares underlying Class B stock in family trust LLCs, plus additional Class A holdings in other family trusts.

Insights

Equity compensation and insider-transactions analyst

Pre-planned trust sales following conversions, with large indirect holdings remaining.

The transactions show trusts linked to CoreWeave’s Chief Development Officer converting 22,915 Class B shares into Class A and selling the resulting Class A shares in open-market trades. Code C entries reflect derivative conversions, while S codes denote actual sales of common stock.

The filing notes the sales were effected under a Rule 10b5-1 trading plan adopted on November 17, 2025, indicating they were pre-scheduled rather than opportunistic. This typically reduces the signaling value of the timing, framing the activity as routine diversification or liquidity management.

Despite the net sale of 22,915 shares, entities associated with the insider still hold sizable positions, including Class B interests convertible into 108,600 and 122,000 Class A shares, plus other Class A stakes in family trusts. Given the remaining exposure and pre-planned nature, the overall investment thesis impact appears limited.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McBee Brannin

(Last) (First) (Middle)

C/O COREWEAVE, INC.

290 WEST MT. PLEASANT AVENUE, SUITE 4100

(Street)

LIVINGSTON NEW JERSEY 07039

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CoreWeave, Inc. [ CRWV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Development Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	03/16/2026		C		16,665	A	(1)	16,665	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		3,075	D	$82.5109(4)	13,590	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		4,554	D	$83.6248(5)	9,036	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		2,670	D	$84.4011(6)	6,366	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		3,320	D	$85.6086(7)	3,046	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		2,846	D	$86.3074(8)	200	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		175	D	$87.2343(9)	25	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		S(3)		25	D	$88	0	I	Canis Major 2025 GRAT(2)
Class A Common Stock	03/16/2026		C		6,250	A	(1)	6,250	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		1,153	D	$82.5106(4)	5,097	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		1,708	D	$83.6245(5)	3,389	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		1,002	D	$84.4007(6)	2,387	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		1,245	D	$85.6086(7)	1,142	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		1,067	D	$86.3072(8)	75	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		66	D	$87.2335(9)	9	I	Canis Minor 2025 GRAT(10)
Class A Common Stock	03/16/2026		S(3)		9	D	$88	0	I	Canis Minor 2025 GRAT(10)
Class A Common Stock								54,000	I	Canis Major SM Trust(11)
Class A Common Stock								1,800	I	See Footnote(12)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Class B Common Stock	(1)	03/16/2026		C			16,665	(1)	(1)	Class A Common Stock	16,665	(1)	5,633,340	I	Canis Major 2025 GRAT(2)
Class B Common Stock	(1)	03/16/2026		C			6,250	(1)	(1)	Class A Common Stock	6,250	(1)	875,000	I	Canis Minor 2025 GRAT(10)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	108,600		108,600	I	Canis Major 2025 Family Trust LLC(13)
Class B Common Stock	(1)							(1)	(1)	Class A Common Stock	122,000		122,000	I	Canis Minor 2025 Family Trust LLC(14)

Explanation of Responses:

1. Each share of Class B Common Stock is convertible into one share of the Issuer's Class A Common Stock at any time, at the election of the holder or automatically upon certain transfers, whether or not for value, or upon the occurrence of certain events or conditions described in the Issuer's Amended and Restated Certificate of Incorporation.

2. The reported securities are directly held by the Canis Major 2025 GRAT, of which the reporting person is the sole trustee and beneficiary.

3. The reported transaction represents a sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.95 to $82.90, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.95 to $83.94, inclusive.

6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.95 to $84.91, inclusive.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.97 to $85.96, inclusive.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.97 to $86.93, inclusive.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.97 to $87.49, inclusive.

10. The reported securities are directly held by the Canis Minor 2025 GRAT, of which the reporting person's spouse is the sole beneficiary and trustee.

11. The reported securities are directly held by the Canis Major SM Trust (the "Canis Trust"), an irrevocable trust with a third-party trustee, of which the reporting person's minor child is beneficiary. The reporting person has the power to remove and replace the Canis Trust's trustee.

12. The reported securities are directly held of record by the reporting person's child.

13. The reported securities are directly held by the Canis Major 2025 Family Trust LLC, of which the reporting person serves as manager.

14. The reported securities are directly held by the Canis Minor 2025 Family Trust LLC, of which the reporting person serves as manager.

Remarks:

This Form 4 is Part 2 of 2 for this reporting person. Transactions by the reporting person are continued on this Part 2.

	/s/ Nisha Antony, as Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider stock transactions did Brannin McBee report for CoreWeave (CRWV)?

Brannin McBee reported indirect trust transactions converting 22,915 shares of Class B Common Stock into Class A and then selling 22,915 Class A shares in open-market trades. These moves were executed by GRATs and related entities rather than through his personal direct holdings.

At what prices were the CoreWeave (CRWV) shares sold in McBee’s latest Form 4?

The reported Class A Common Stock sales occurred in multiple trades at weighted-average prices between about $81.95 and $88.00 per share. Footnotes explain these were executed in several transactions within those ranges, with weighted averages reported in the Form 4’s price column.

Were Brannin McBee’s CoreWeave (CRWV) share sales under a Rule 10b5-1 plan?

Yes. A footnote states the reported sales were effected pursuant to a Rule 10b5-1 trading plan adopted on November 17, 2025. Such plans pre-schedule trades, generally signaling routine portfolio management rather than discretionary market-timing decisions by the insider.

Did trusts associated with Brannin McBee retain CoreWeave (CRWV) exposure after these transactions?

Yes. After the conversions and sales, entities linked to McBee still indirectly hold sizable positions, including Class B stock convertible into 108,600 and 122,000 Class A shares, plus additional Class A shares in family trusts and for a child, indicating significant ongoing exposure.

What types of securities were involved in Brannin McBee’s CoreWeave (CRWV) Form 4?

The filing involves Class B Common Stock that is convertible into Class A Common Stock and resulting Class A Common Stock. Code C transactions record the conversions, while code S entries show open-market or private sales of the Class A shares following those conversions by the GRATs.