BOLT
Bolt Biotherapeutics, Inc. · Healthcare · Market cap $6.9M
Insiders sold $124K net in the last 90 days ·3 sellers, 2 buyers· latest Form 4 filed Sep 21, 2026
Insider Buying
$7K
reported purchases (SEC code P)
Insider Selling
$128K
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Latest filing
Sep 21, 2026
Yonehiro Grant
Bolt Biotherapeutics, Inc. (BOLT) has 8 SEC Form 4 filings (18 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Sep 21, 2026.
Inside the rolling window, 3 insiders at Bolt Biotherapeutics, Inc. reported 6 open-market purchases totaling $7K and 9 open-market sales totaling $128K. The most active filer is Senior VP, Finance and PAO Nemec Sarah with 6 filings. Insiders have net sold $124K over the trailing 6 months. The most recent open-market filing is a sale of 1,417 shares by Chief Operating Officer Yonehiro Grant, dated Sep 16, 2026, worth $5K.
- Industry:Biotechnology
- CEO:William Quinn
- Employees:23
- HQ:Redwood City, CA, US
- IPO:2021-02-05
| Source | |||||||
|---|---|---|---|---|---|---|---|
Yonehiro GrantFirst filing | Chief Operating Officer | Sale | 1,417 | $5K | Sep 21 | — | SEC ↗ |
Yonehiro GrantFirst filing | Chief Operating Officer | Sale | 4,909 | $16K | Sep 21 | — | SEC ↗ |
Yonehiro GrantFirst filing | Chief Operating Officer | Sale | 6,850 | $22K | Sep 21 | — | SEC ↗ |
Nemec SarahFirst in 8 months | Senior VP, Finance and PAO | Purchase | 509 | $2K | Sep 21 | — | SEC ↗ |
Nemec SarahFirst in 8 months | Senior VP, Finance and PAO | Sale | 843 | $3K | Sep 21 | — | SEC ↗ |
Nemec SarahFirst in 8 months | Senior VP, Finance and PAO | Sale | 2,922 | $10K | Sep 21 | — | SEC ↗ |
Nemec SarahFirst in 8 months | Senior VP, Finance and PAO | Sale | 4,077 | $13K | Sep 21 | — | SEC ↗ |
Quinn William P.First in 8 months | President, CEO and CFO | Purchase | 637 | $2K | Sep 21 | — | SEC ↗ |
Quinn William P.First in 8 months | President, CEO and CFO | Sale | 1,889 | $7K | Sep 21 | — | SEC ↗ |
Quinn William P.First in 8 months | President, CEO and CFO | Sale | 6,545 | $22K | Sep 21 | — | SEC ↗ |
Quinn William P.First in 8 months | President, CEO and CFO | Sale | 9,132 | $30K | Sep 21 | — | SEC ↗ |
Quinn William P.First in 3 months | President, CEO and CFO | Purchase | 125 | $576 | Feb 4 | — | SEC ↗ |
Nemec SarahFirst in 3 months | Senior VP, Finance and PAO | Purchase | 125 | $576 | Feb 4 | — | SEC ↗ |
Nemec SarahFirst filing | Senior VP, Finance and PAO | Purchase | 125 | $687 | Oct 24 | — | SEC ↗ |
Quinn William P.First filing | President, CEO and CFO | Purchase | 125 | $687 | Oct 24 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does BOLT have?
Bolt Biotherapeutics, Inc. (BOLT) has 8 SEC Form 4 filings (18 transaction rows) in the rolling 365-day window, disclosed by 3 distinct insiders. Most recent filing: Sep 21, 2026.
When was the most recent SEC Form 4 filing for BOLT?
The most recent Form 4 filing for BOLT on Tracefour is dated Sep 21, 2026.
Who is the most active insider at BOLT?
The most active SEC Form 4 filer at BOLT in the rolling window is Senior VP, Finance and PAO Nemec Sarah, with 6 filings.
What is the net insider flow at BOLT over the last 6 months?
Over the trailing 180 days, insiders at BOLT have net sold $124K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at BOLT in the current window?
Inside the rolling window, insiders at BOLT bought $7K and sold $128K based on SEC Form 4 filings.
Can I get alerts for BOLT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Bolt Biotherapeutics, Inc. (BOLT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Bolt Biotherapeutics, Inc. is in the Healthcare sector.