Bolt Biotherapeutics Insider Trades
NASDAQ: BOLTHealthcareBiotechnologyUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Last 12 months
- Purchases
- 4 · $5.59K
- Sales
- 9 · $128.28K
- Shares bought / sold
- 1.40K / 38.58K
- Net activity
- Net selling $122,687
Bolt Biotherapeutics insider activity
Over the last 12 months, Bolt Biotherapeutics insiders reported 16 transactions on SEC Form 4: 4 open-market purchases and 9 sales. Insiders bought $5,594 and sold $128,281 worth of stock, for net insider selling of $122,687. The largest seller was Quinn William P., with $58,402 in reported sales.
The most recent filing shows Yonehiro Grant (Chief Operating Officer) selling 6,850 shares at $3.24 on Sep 18, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put BOLT's ownership changes in context.
Summary generated from market data by MetaCap's automated system. Methodology
BOLT insider transactions
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Sep 18, 2026 | Quinn William P.President, CEO and CFO | Sale | 9,132 | $29.55K | Form 4 |
| Sep 18, 2026 | Nemec SarahSenior VP, Finance and PAO | Sale | 4,077 | $13.19K | Form 4 |
| Sep 18, 2026 | Yonehiro GrantChief Operating Officer | Sale | 6,850 | $22.17K | Form 4 |
| Sep 17, 2026 | Quinn William P.President, CEO and CFO | Sale | 6,545 | $21.72K | Form 4 |
| Sep 17, 2026 | Nemec SarahSenior VP, Finance and PAO | Sale | 2,922 | $9.70K | Form 4 |
| Sep 17, 2026 | Yonehiro GrantChief Operating Officer | Sale | 4,909 | $16.29K | Form 4 |
| Sep 16, 2026 | Quinn William P.President, CEO and CFO | Sale | 1,889 | $7.13K | Form 4 |
| Sep 16, 2026 | Nemec SarahSenior VP, Finance and PAO | Sale | 843 | $3.18K | Form 4 |
| Sep 16, 2026 | Yonehiro GrantChief Operating Officer | Sale | 1,417 | $5.35K | Form 4 |
| Jun 5, 2026 | Quinn William P.President, CEO and CFO | Buy | 637 | $2.47K | Form 4 |
| Jun 5, 2026 | Nemec SarahSenior VP, Finance and PAO | Buy | 509 | $1.97K | Form 4 |
| Dec 5, 2025 | Nemec SarahSenior VP, Finance and PAO | Buy | 125 | $575.88 | Form 4 |
| Dec 5, 2025 | Quinn William P.President, CEO and CFO | Buy | 125 | $575.88 | Form 4 |
| Oct 22, 2025 | Quinn William P.President, CEO and CFO | Award | 40,000 | — | Form 4 |
| Oct 22, 2025 | Yonehiro GrantChief Operating Officer | Award | 30,000 | — | Form 4 |
| Oct 22, 2025 | Nemec SarahSenior VP, Finance and PAO | Award | 23,000 | — | Form 4 |
| Jun 6, 2025 | Quinn William P.President, CEO and CFO | Buy | 125 | $686.50 | Form 4 |
| Jun 6, 2025 | Nemec SarahSenior VP, Finance and PAO | Buy | 125 | $686.50 | Form 4 |
| Dec 16, 2024 | Nemec SarahSenior VP, Finance and PAO | Buy | 2,500 | $1.24K | Form 4 |
| Dec 16, 2024 | Quinn William P.President, CEO and CFO | Buy | 2,500 | $1.24K | Form 4 |
| Jun 6, 2024 | Nemec SarahSenior VP, Finance and PAO | Buy | 2,500 | $1.59K | Form 4 |
| Jun 6, 2024 | Quinn William P.President, CEO and CFO | Buy | 2,500 | $1.59K | Form 4 |
Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4