Bolt Biotherapeutics, Inc. (BOLT) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-11

Bolt Biotherapeutics, Inc. (BOLT) has filed 5 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-11. 2 Form 8-K material event filings were reported by BOLT in the last 90 days. InsiderAlpha tracks every BOLT SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Bolt Biotherapeutics, Inc. (BOLT)

SEC CIK	0001641281

90-Day SEC Filing Activity

Form 4 filings (90d)	5
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-11

Recent BOLT Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2025-12-05	Quinn William P.	President, CEO and CFO	P — Open-market purchase	125	$4.61	$576	SEC
2025-12-05	Nemec Sarah	Senior VP, Finance and PAO	P — Open-market purchase	125	$4.61	$576	SEC
2025-10-22	Yonehiro Grant	Chief Operating Officer	A — Grant or award	30.0K	$0.00	—	SEC
2025-10-22	Nemec Sarah	Senior VP, Finance and PAO	A — Grant or award	23.0K	$0.00	—	SEC
2025-10-22	Quinn William P.	President, CEO and CFO	A — Grant or award	40.0K	$0.00	—	SEC
2025-06-06	Quinn William P.	President, CEO and CFO	P — Open-market purchase	125	$5.49	$686	SEC
2025-06-06	Nemec Sarah	Senior VP, Finance and PAO	P — Open-market purchase	125	$5.49	$686	SEC

All transactions sourced from SEC EDGAR Form 4 filings for Bolt Biotherapeutics, Inc. (BOLT). Updated in real time as new filings are submitted to the SEC.

Most-Active BOLT Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
LAPORTE KATHLEEN	1	—
ONETTO NICOLE	1	—
O'CALLAGHAN BRIAN	1	—
Dupont Jakob	1	—
Berner Laura	1	—

Recent BOLT Form 8-K Material Events

2026-06-11 — Item 5.07 [SEC]
2026-05-12 — Item 2.02, 9.01 [SEC]
2026-03-12 — Item 2.02, 9.01 [SEC]

Recent Insider Filings

2026-06-11 — Berner Laura (Insider)
2026-06-11 — LAPORTE KATHLEEN (Insider)
2026-06-11 — Dupont Jakob (Insider)
2026-06-11 — O'CALLAGHAN BRIAN (Insider)
2026-06-11 — ONETTO NICOLE (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BOLT insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

BOLT Insider Trading — FAQ

What is the latest insider trade for BOLT?: Bolt Biotherapeutics, Inc. (BOLT) had 5 insider filings in the last 90 days, with the most recent on 2026-06-11. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying BOLT stock?: 0 insider purchases of BOLT were filed in the last 90 days.
How many insiders are selling BOLT stock?: 0 insider sales of BOLT were filed in the last 90 days.
Where can I see BOLT SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every BOLT SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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