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BOLT

Bolt Biotherapeutics, Inc.

NASDAQ · Healthcare · Biotechnology · US

$4.31
+6.68%
Ask drillr
2
Insider buys (3m)
9
Insider sells (3m)
-$123.8K
Net value (3m)
+7.0%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 21, 2026Quinn William P. · director, officer: President, CEO and CFOSale9,132$3.24
Sep 21, 2026Quinn William P. · director, officer: President, CEO and CFOSale1,889$3.77
Sep 21, 2026Quinn William P. · director, officer: President, CEO and CFOPurchase637$3.88
Sep 21, 2026Nemec Sarah · officer: Senior VP, Finance and PAOSale4,077$3.24
Sep 21, 2026Nemec Sarah · officer: Senior VP, Finance and PAOSale2,922$3.32
Sep 21, 2026Nemec Sarah · officer: Senior VP, Finance and PAOSale843$3.77
Sep 21, 2026Nemec Sarah · officer: Senior VP, Finance and PAOPurchase509$3.88
Sep 21, 2026Yonehiro Grant · officer: Chief Operating OfficerSale6,850$3.24
Sep 21, 2026Yonehiro Grant · officer: Chief Operating OfficerSale4,909$3.32
Sep 21, 2026Yonehiro Grant · officer: Chief Operating OfficerSale1,417$3.77
Sep 21, 2026Quinn William P. · director, officer: President, CEO and CFOSale6,545$3.32
Jun 11, 2026O'CALLAGHAN BRIAN · directorA-Award5,000$4.43
Jun 11, 2026Dupont Jakob · directorA-Award5,000$4.43
Jun 11, 2026LAPORTE KATHLEEN · directorA-Award5,000$4.43
Jun 11, 2026Berner Laura · directorA-Award5,000$4.43
Jun 11, 2026ONETTO NICOLE · directorA-Award5,000$4.43
Feb 4, 2026Yonehiro Grant · officer: Chief Operating OfficerA-Award10,000$6.71
Feb 4, 2026Quinn William P. · director, officer: President, CEO and CFOPurchase125$4.61
Feb 4, 2026Nemec Sarah · officer: Senior VP, Finance and PAOA-Award8,000$6.71
Feb 4, 2026Quinn William P. · director, officer: President, CEO and CFOA-Award20,000$6.71
Feb 4, 2026Nemec Sarah · officer: Senior VP, Finance and PAOPurchase125$4.61
Dec 16, 2025Yonehiro Grant · officer: Chief Operating OfficerA-Award1,653$5.44
Dec 16, 2025O'CALLAGHAN BRIAN · directorA-Award1,393$5.44
Dec 16, 2025O'CALLAGHAN BRIAN · directorA-Award1,250$5.44
Dec 16, 2025O'CALLAGHAN BRIAN · directorA-Award1,100$5.44
Dec 16, 2025Nemec Sarah · officer: Senior VP, Finance and PAOA-Award11,299$5.44
Dec 16, 2025Nemec Sarah · officer: Senior VP, Finance and PAOA-Award6,699$5.44
Dec 16, 2025Nemec Sarah · officer: Senior VP, Finance and PAOA-Award4,499$5.44
Dec 16, 2025Nemec Sarah · officer: Senior VP, Finance and PAOA-Award2,499$5.44
Dec 16, 2025Nemec Sarah · officer: Senior VP, Finance and PAOA-Award2,199$5.44
Institutional positioning

13F filings over the trailing two quarters

New 8Increased 10Reduced 8Sold out 3
FilerActionSharesFiled
SOFINNOVA INVESTMENTS, INC.Unchanged137,721May 15, 2026
Sofinnova Investments, Inc.Unchanged137,721Aug 14, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased98,625Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased77,225May 14, 2026
VIVO CAPITAL, LLCUnchanged72,414May 20, 2026
Vivo Capital, LLCUnchanged72,414Aug 14, 2026
CITADEL ADVISORS LLCIncreased56,903Sep 2, 2026
PIVOTAL BIOVENTURE PARTNERS INVESTMENT ADVISOR LLCReduced42,581May 14, 2026
T3 Companies, LLCUnchanged38,000May 7, 2026
T3 Companies, LLCUnchanged38,000Jul 27, 2026
Board of Trustees of The Leland Stanford Junior UniversityUnchanged35,977Aug 12, 2026
BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITYUnchanged35,977May 7, 2026
PFIZER INCUnchanged31,305May 12, 2026
PFIZER INCUnchanged31,305Aug 13, 2026
Lynx1 Capital Management LPUnchanged30,800Aug 13, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 21, 2026