StockCIK 1641281
Bolt Biotherapeutics, Inc. (BOLT): Insider Trades and Fund Holdings
In the past 12 months, Bolt Biotherapeutics, Inc. insiders reported 2 open-market purchases worth $4K and 9 sales worth $128K; 0 of the sales were reported as made under a 10b5-1 trading plan.
2Insider buys, 12 months
$4KBought by insiders, 12 months
$128KSold by insiders, 12 months
1Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 21, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 21 | William P. QuinnCEO | ▼ SELL | $30K |
| Sep 21 | Grant YonehiroCOO | ▼ SELL | $22K |
| Sep 21 | William P. QuinnCEO | ▼ SELL | $22K |
| Sep 21 | Grant YonehiroCOO | ▼ SELL | $16K |
| Sep 21 | Sarah NemecVP | ▼ SELL | $13K |
| Sep 21 | Sarah NemecVP | ▼ SELL | $10K |
| Sep 21 | William P. QuinnCEO | ▼ SELL | $7K |
| Sep 21 | Grant YonehiroCOO | ▼ SELL | $5K |
| Sep 21 | Sarah NemecVP | ▼ SELL | $3K |
| Sep 21 | William P. QuinnCEO | ▲ BUY | $2K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 11 BOLT insider trades →Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| William P. Quinn | CEO | 1 | $2K | 3 | $58K |
| Grant Yonehiro | COO | 0 | $0 | 3 | $44K |
| Sarah Nemec | VP | 1 | $2K | 3 | $26K |
Tracked funds that report BOLT
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Renaissance Technologies | 98,625 | $380K | ▲ +27.7% |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →