BOLT

Bolt Biotherapeutics, Inc.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company<br>Emerging growth company

Total Trades

16

Buys

7

Sells

6

Largest Trade

N/A

Insiders

6

Institutional Funds

17

Inst. Value

$1M+

Activist Filings

21

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Quinn William P.PresidentBUY<$1K125$4.61Feb 4, 2026
Nemec SarahSenior VPBUY<$1K125$4.61Feb 4, 2026
Nemec SarahSenior VPBUY<$1K125$5.49Oct 24, 2025
Nemec SarahSenior VPGRANTN/A23KOct 24, 2025
Quinn William P.PresidentGRANTN/A40KOct 24, 2025
Quinn William P.PresidentBUY<$1K125$5.49Oct 24, 2025
Nemec SarahSenior VPBUY$1K–$15K5K$0.57May 6, 2025
Quinn William P.PresidentBUY$1K–$15K5K$0.57May 6, 2025
ENGLEMAN EDGARDirectorSELL$100K–$500K149K$0.87Dec 1, 2023
ENGLEMAN EDGARDirectorSELL$1K–$15K2K$0.90Nov 23, 2023
Vivo Capital VIII, LLC10% OwnerSELL$1K–$15K3K$0.90Nov 22, 2023
ENGLEMAN EDGARDirectorSELL$15K–$50K49K$0.93Nov 21, 2023
Vivo Capital VIII, LLC10% OwnerSELL$50K–$100K86K$0.93Nov 21, 2023
Novo Holdings A/S10% OwnerSELL$1M+800K$2.00Jul 15, 2022
Perez Edith A.Chief Medical Offi…BUY$15K–$50K1K$12.93Feb 2, 2022
Perez Edith A.Chief Medical Offi…EXERCISE$50K–$100K36K$2.80Feb 2, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 17 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Nan Fung Group Holdings Limited

SC 13D/A · Feb 27, 2026

4.6%

87K shares

Nan Fung Group Holdings Limited

SC 13D/A · Feb 18, 2026

6.7%

128K shares

Vivo Capital Fund VIII, L.P.

SC 13G/A · Feb 13, 2026

0.0%

0 shares

TANG CAPITAL MANAGEMENT, LLC

SC 13G/A · Nov 14, 2025

3.5%

67K shares

TANG CAPITAL MANAGEMENT, LLC

SC 13G/A · Nov 14, 2025

3.5%

67K shares

TANG CAPITAL MANAGEMENT, LLC

SC 13G/A · Aug 14, 2025

8.7%

167K shares

TANG CAPITAL MANAGEMENT, LLC

SC 13G/A · May 15, 2025

9.9%

3.8M shares

Citadel Advisors LLC

SC 13G/A · Nov 14, 2024

0.0%

6 shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2024

6.2%

6 shares

TANG CAPITAL PARTNERS, LP

SC 13G/A · Feb 14, 2024

9.6%

3.7M shares

Vivo Capital Fund VIII, L.P.

SC 13G/A · Feb 13, 2024

4.8%

1.8M shares

Nan Fung Group Holdings Limited

SC 13D/A · Feb 13, 2024

8.1%

3.1M shares

TANG CAPITAL PARTNERS, LP

SC 13G · Apr 20, 2023

7.2%

2.7M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2023

7.3%

6 shares

Suvretta Capital Management, LLC

SC 13G/A · Feb 13, 2023

0.0%

0 shares

Novo Holdings A/S

SC 13D/A · Jan 4, 2023

0.0%

0 shares

Novo Holdings A/S

SC 13D/A · Dec 28, 2022

6.7%

2.5M shares

Novo Holdings A/S

SC 13D/A · Sep 30, 2022

9.8%

3.7M shares

Novo Holdings A/S

SC 13D/A · Jul 15, 2022

9.8%

3.7M shares

RA Capital Management, L.P.

SC 13G/A · May 16, 2022

0.0%

0 shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2022

7.5%

6 shares

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