William P. Quinn - Oct 24, 2025 Form 4 Insider Report for Bolt Biotherapeutics, Inc. (BOLT)

Role
President, CEO and CFO, Director
Signature
/s/ William P. Quinn
Stock symbol
BOLT
Transactions as of
Oct 24, 2025
Transactions value $
$687
Form type
4
Date filed
10/24/2025, 07:18 PM
Previous filing
May 5, 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 2025-10-24 0001724190

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BOLT Common Stock Purchase $687 +125 +6.06% $5.49 2.19K Jun 6, 2025 Direct F1
transaction BOLT Common Stock Award $0 +40K +1828.15% $0.00 42.2K Oct 22, 2025 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares acquired under the issuer's Employee Stock Purchase Plan and therefore exempt under Rule 16b-3(c)
F2 The shares represent restricted stock units that were received as an award, for no consideration. Each restricted stock unit represents the right to receive, at settlement, one share of common stock.
F3 The restricted stock units subject to the award will vest in full on September 15, 2026, assuming continued employment through such date.