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).

1. Name and Address of Reporting Person* GROSS WILLIAM (Last) (First) (Middle) C/O IDEALAB 130 WEST UNION STREET (Street) PASADENA CA 91103 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Heliogen, Inc. [ HLGN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/25/2023
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

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
Common Stock	05/25/2023		M		335,653	A	$0.09	3,103,091	D
Common Stock	05/25/2023		S		335,653	D	$0.26(1)	2,672,612	D
Common Stock								414,363	I	See footnote(2)
Common Stock								16,175	I	See footnote(3)
Common Stock								15,480,443	I	See footnote(4)

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
Employee Stock Option (right to buy)	$0.09	05/25/2023		M			335,653	(5)	07/05/2023(6)	Common Stock	335,653	$0	2,569,299	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.26 to $0.27, inclusive. Mr. Gross 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 each separate price within the ranges set forth in footnote (1) to this Form 4.

2. These shares are held by The Gross Goodstein Living Trust (the "Trust") of which Mr. Gross is a co-trustee. Mr. Gross may be deemed to beneficially own these shares. Mr. Gross disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

3. These shares are held by Idealab Studio, LLC ("Idealab Studio"), for which Mr. Gross serves as chairman and chief executive officer. The Trust owns a majority of the class of securities of Idealab Studio entitled to elect two managers to Idealab Studio's board of managers. Mr. Gross may be deemed to beneficially own these shares. Mr. Gross disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

4. These shares are held by Idealab Holdings, LLC ("Idealab Holdings"), which is a wholly owned subsidiary of Idealab, a California corporation ("Idealab"). Idealab is managed by a board of directors (the "Idealab Board") including Mr. Gross. Mr. Gross may be deemed to beneficially own these shares. Mr. Gross disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

5. The options vested and became exercisable in equal monthly installments commencing December 6, 2018, subject to Mr. Gross's continuous service which ceased effective February 5, 2023.

6. The options are exercisable through the indicated expiration date pursuant to an extension granted by the Issuer. The original expiration date was approximately 10 years from the initial vesting date of options with the same exercise price.

Remarks:

	/s/ William Gross	05/30/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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