William P. Quinn - 01 May 2025 Form 4 Insider Report for Bolt Biotherapeutics, Inc. (BOLT)

Role: President, CEO and CFO, Director
Signature: /s/ William P. Quinn
Issuer symbol: BOLT
Transactions as of: 01 May 2025
Net transactions value: +$2,835
Form type: 4
Filing time: 05 May 2025, 20:35:34 UTC
Previous filing: 24 Jul 2024
Next filing: 24 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Quinn William P.	President, CEO and CFO, Director	C/O BOLT BIOTHERAPEUTICS, INC., 900 CHESAPEAKE DRIVE, REDWOOD CITY	/s/ William P. Quinn	01 May 2025	0001724190

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BOLT	Common Stock	Purchase	$1,241	+2,500	+6.4%	$0.4965	41,272	16 Dec 2024	Direct	F1, F2
transaction	BOLT	Common Stock	Purchase	$1,594	+2,500	+6.9%	$0.6374	38,772	06 Jun 2024	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	BOLT	Stock Option (Right to Buy)	Award	$0	+700,000		$0.000000	700,000	01 May 2025	Common Stock	700,000	$0.3510	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	and therefore exempt under Rule 16b-3(c)
F2	Shares acquired under the issuer's Employee Stock Purchase Plan.
F3	For so long as the Reporting Person continuously provides services to the Issuer this option will vest with respect to the shares as follows: 1/36th of the Shares will vest upon the Reporting Person completing each month of continuous service following January 1, 2025.