Grant Yonehiro
CIK: 0001428666
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Bolt Biotherapeutics, Inc.
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Sep 18, 2026BOLT
Bolt Biotherapeutics, Inc.
Sale(S)Direct6.9K shares at avg. $3.24$22K - Sep 17, 2026BOLT
Bolt Biotherapeutics, Inc.
Sale(S)Direct4.9K shares at avg. $3.32$16K - Sep 16, 2026BOLT
Bolt Biotherapeutics, Inc.
Sale(S)Direct1.4K shares at avg. $3.77$5K - Jan 28, 2026BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
10K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
17.5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
7.7K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
17.5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
3.2K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
3.2K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
660 shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
660 shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
822 shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
822 shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
1.7K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
1.7K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
4.6K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
4.6K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
2.1K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
2.1K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
9.5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
9.5K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Award(A)DirectEmployee Stock Option (Right to Buy)
11.4K shares- - Dec 12, 2025BOLT
Bolt Biotherapeutics, Inc.
Disposition(D)DirectEmployee Stock Option (Right to Buy)
11.4K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 18, 2026 | BOLT Bolt Biotherapeutics, Inc. | Sale(S) | 6,850 | $3.24 | $22,169 | Direct |
| Sep 17, 2026 | BOLT Bolt Biotherapeutics, Inc. | Sale(S) | 4,909 | $3.32 | $16,290 | Direct |
| Sep 16, 2026 | BOLT Bolt Biotherapeutics, Inc. | Sale(S) | 1,417 | $3.77 | $5,348 | Direct |
| Jan 28, 2026 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 10,000 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 17,499 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 7,749 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 17,499 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 3,214 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 3,214 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 660 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 660 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 822 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 822 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 1,653 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 1,653 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 4,642 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 4,642 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 2,142 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 2,142 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 4,999 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 4,999 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 9,499 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 9,499 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Award(A) Employee Stock Option (Right to Buy) | 11,399 | - | - | Direct |
| Dec 12, 2025 | BOLT Bolt Biotherapeutics, Inc. | Disposition(D) Employee Stock Option (Right to Buy) | 11,399 | - | - | Direct |
1-25 of 30 transactions
About Yonehiro Grant
Yonehiro Grant (SEC CIK 0001428666) files insider reports with the SEC as Chief Operating Officer of Bolt Biotherapeutics, Inc. (BOLT).
Signal8 holds 5 ownership filings by Yonehiro Grant, all Form 4s, filed between May 5, 2025 and Sep 21, 2026. Those filings report 30 transactions, from May 1, 2025 to Sep 18, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Yonehiro Grant's filings is in REDWOOD CITY, CA.
Recent filings by Yonehiro Grant
- Sep 18, 2026: Open-market sale of BOLT shares (Form 4, code S).
- Sep 17, 2026: Open-market sale of BOLT shares (Form 4, code S).
- Sep 16, 2026: Open-market sale of BOLT shares (Form 4, code S).
- Jan 28, 2026: Grant or award of BOLT derivative securities (Form 4, code A).
- Dec 12, 2025: Disposition to issuer transactions of BOLT derivative securities (2 lines, Form 4, code D).
Other insiders filing for Bolt Biotherapeutics, Inc. (BOLT)
- GUJRATHI SHEILA, Chief Strategy Officer
- Nemec Sarah, Senior VP, Finance and PAO
- Quinn William P., President, CEO and CFO
- Berner Laura, Director
- LAPORTE KATHLEEN, Director
- Dupont Jakob, Director