Bolt Biotherapeutics, Inc. (BOLT)

Latest Insider Confidence Score

2026Q1

50.2
Bullish

Company insider confidence (by quarter)

2021Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Novo A/S 10% Owner 3,703,991 Jul 15, 2022
Vivo Opportunity, LLC 10% Owner 1,448,286 Nov 22, 2023
Vivo Opportunity Fund Holdings, L.P. 10% Owner 1,448,286 Nov 22, 2023
Vivo Capital VIII, LLC 10% Owner 1,448,286 Nov 22, 2023
Vivo Capital Fund VIII, L.P. 10% Owner 1,448,286 Nov 22, 2023

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 5, 2025 Feb 4, 2026 Quinn William P. CEO Buy 85.0 +125 5.71% ✗ $575.9
Jan 28, 2026 Feb 4, 2026 Yonehiro Grant COO Neutral 52.5 - 0.00% ✗ -
Dec 5, 2025 Feb 4, 2026 Nemec Sarah Senior VP, Finance and PAO Buy 85.0 +125 9.69% ✗ $575.9
Dec 12, 2025 Dec 16, 2025 Dupont Jakob Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 Nemec Sarah Senior VP, Finance and PAO Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 Yonehiro Grant COO Neutral 52.5 - 0.00% ✗ -
Dec 12, 2025 Dec 16, 2025 Quinn William P. CEO Neutral 52.5 - 0.00% ✗ -
Jun 6, 2025 Oct 24, 2025 Nemec Sarah Senior VP, Finance and PAO Buy 90.0 +23,125 2827.02% ✗ $686.5
Oct 22, 2025 Oct 24, 2025 Yonehiro Grant COO Neutral 90.0 +30,000 336.40% ✗ -
Jun 6, 2025 Oct 24, 2025 Quinn William P. CEO Buy 90.0 +40,125 1944.98% ✗ $686.5
May 27, 2025 Jul 2, 2025 Dupont Jakob Director Neutral 52.5 - 0.00% ✗ -
May 27, 2025 Jul 2, 2025 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
May 27, 2025 Jul 2, 2025 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
May 27, 2025 Jul 2, 2025 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
May 27, 2025 Jul 2, 2025 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 May 5, 2025 Dupont Jakob Director Neutral 52.5 - 0.00% ✗ -
May 1, 2025 May 5, 2025 Yonehiro Grant COO Neutral 52.5 - 0.00% ✗ -
Dec 16, 2024 May 5, 2025 Nemec Sarah Senior VP, Finance and PAO Buy 90.0 +5,000 19.61% ✗ $2.8K
Dec 16, 2024 May 5, 2025 Quinn William P. CEO Buy 90.0 +5,000 13.78% ✗ $2.8K
Sep 3, 2024 Sep 6, 2024 Dupont Jakob Director Neutral 52.5 - 0.00% ✗ -
Sep 6, 2024 Dupont Jakob Director Neutral 52.5 - 0.00% ✗ -
Jul 23, 2024 Jul 24, 2024 Yonehiro Grant COO Neutral 52.5 - 0.00% ✗ -
Jul 23, 2024 Jul 24, 2024 Quinn William P. CEO Neutral 52.5 - 0.00% ✗ -
Jul 23, 2024 Jul 24, 2024 Nemec Sarah VP, Finance and PAO Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 SHAH MAHENDRA Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 HEALY JAMES Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2024 Jun 14, 2024 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
May 15, 2024 Nemec Sarah Principal Accounting Officer Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Yonehiro Grant Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Perez Edith A. Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Schatzman Randall C CEO Neutral 52.5 - 0.00% ✗ -
Mar 4, 2024 Mar 6, 2024 Quinn William P. CFO Neutral 52.5 - 0.00% ✗ -
Dec 6, 2023 Feb 6, 2024 Yonehiro Grant Chief Business Officer Buy 90.0 +2,500 38.95% ✗ $2K
Jun 6, 2023 Feb 6, 2024 Perez Edith A. Chief Medical Officer Buy 90.0 +4,570 10.87% ✗ $4.4K
Jun 6, 2023 Feb 6, 2024 Schatzman Randall C CEO Buy 90.0 +5,000 63.62% ✗ $4.9K
Jun 6, 2023 Dec 13, 2023 Quinn William P. CFO Buy 91.3 +11,829 48.39% ✗ $11.2K
Nov 29, 2023 Dec 1, 2023 ENGLEMAN EDGAR Director Sell 22.5 -148,884 -6.70% ✗ $129K
Nov 21, 2023 Nov 22, 2023 ENGLEMAN EDGAR Director Sell 52.5 -1,943 -0.09% ✗ $1.8K
Nov 21, 2023 Nov 22, 2023 Vivo Capital VIII, LLC 10% Owner Sell 52.5 -3,400 -0.09% ✗ $3.1K
Nov 16, 2023 Nov 20, 2023 ENGLEMAN EDGAR Director Sell 26.3 -49,173 -2.16% ✗ $45.7K
Nov 16, 2023 Nov 20, 2023 Vivo Capital VIII, LLC 10% Owner Sell 22.5 -86,054 -1.10% ✗ $79.9K
Jun 12, 2023 Jun 14, 2023 SHAH MAHENDRA Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 MILLER RICHARD A MD Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 HEALY JAMES Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 ENGLEMAN EDGAR Director Neutral 52.5 - 0.00% ✗ -
Jun 12, 2023 Jun 14, 2023 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
Feb 27, 2023 Feb 28, 2023 Yonehiro Grant Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Feb 27, 2023 Feb 28, 2023 Schatzman Randall C CEO Neutral 52.5 - 0.00% ✗ -
Feb 27, 2023 Feb 28, 2023 Perez Edith A. Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 27, 2023 Feb 28, 2023 Quinn William P. CFO Neutral 52.5 - 0.00% ✗ -
Jun 6, 2022 Feb 7, 2023 Yonehiro Grant Chief Business Officer Buy 90.0 +5,000 352.61% ✗ $7.1K
Jun 6, 2022 Feb 7, 2023 Schatzman Randall C CEO Buy 90.0 +5,000 174.89% ✗ $7.1K
Jun 6, 2022 Feb 7, 2023 Perez Edith A. Chief Medical Officer Buy 90.0 +5,000 13.50% ✗ $7.1K
Jun 6, 2022 Feb 7, 2023 Quinn William P. CFO Buy 90.0 +4,289 21.28% ✗ $6.2K
Dec 14, 2022 Dec 16, 2022 MILLER RICHARD A MD Director Neutral 52.5 - 0.00% ✗ -
Dec 14, 2022 Dec 16, 2022 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Dec 14, 2022 Dec 16, 2022 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
Dec 16, 2022 Berner Laura Director Neutral 52.5 - 0.00% ✗ -
Jul 13, 2022 Jul 15, 2022 Novo Holdings A/S 10% Owner Sell 17.5 -800,000 -17.76% ✗ $1.6M
Jun 10, 2022 Jun 10, 2022 SHAH MAHENDRA Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 MILLER RICHARD A MD Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 HEALY JAMES Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 10, 2022 ENGLEMAN EDGAR Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 LAPORTE KATHLEEN Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 ENGLEMAN EDGAR Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 MILLER RICHARD A MD Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 SHAH MAHENDRA Director Neutral 52.5 - 0.00% ✗ -
Mar 24, 2022 Mar 28, 2022 HEALY JAMES Director Neutral 52.5 - 0.00% ✗ -
Feb 18, 2022 Feb 23, 2022 Perez Edith A. Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2022 Feb 23, 2022 Yonehiro Grant Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2022 Feb 23, 2022 Quinn William P. CFO Neutral 52.5 - 0.00% ✗ -
Feb 18, 2022 Feb 23, 2022 Dornan David Chief Scientific Officer Neutral 52.5 - 0.00% ✗ -
Feb 18, 2022 Feb 23, 2022 Schatzman Randall C CEO Neutral 52.5 - 0.00% ✗ -
Jun 4, 2021 Feb 1, 2022 Perez Edith A. Chief Medical Officer Buy 91.3 +1,328 100.00% ✗ $17.2K
Dec 14, 2021 Dec 16, 2021 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Dec 16, 2021 ONETTO NICOLE Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2021 Dec 9, 2021 Quinn William P. CFO Buy 91.3 +6,256 45.01% ✗ $44.1K
Nov 17, 2021 Nov 19, 2021 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Nov 19, 2021 Lee Frank D. Director Neutral 52.5 - 0.00% ✗ -
Nov 17, 2021 Nov 19, 2021 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -
Nov 19, 2021 O'CALLAGHAN BRIAN Director Neutral 52.5 - 0.00% ✗ -