Summary
Updated Aug 30, 2026
William P. Quinn is President, CEO and CFO of Bolt Biotherapeutics, Inc. (BOLT). 3 SEC Form 4 filings on record going back to 2025, most recently on 4 February 2026. Most recent open-market trade: bought $576 of BOLT on 4 February 2026. Lifetime open-market purchases: $1K.
Recent Transactions
3Every recent SEC Form 4 transaction William P. Quinn has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William P. Quinn files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Sarah Nemec - $1K of BOLT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William P. Quinn?
William P. Quinn is a corporate insider, tracked as President, CEO and CFO of Bolt Biotherapeutics, Inc. (BOLT). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did William P. Quinn last file a Form 4?
The most recent primary Form 4 on record is dated 4 February 2026, one of 3 filings going back to 2025.
Has William P. Quinn been buying or selling stock?
Recorded transactions: 2 open-market purchases ($1K) and 0 open-market sales across all tracked filings.
How accurate is William P. Quinn's historical track record?
Across 3 tracked purchases, William P. Quinn averaged no 30-day data yet with a win rate pending.
Where can I see all of William P. Quinn's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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