O'CALLAGHAN BRIAN

Filed: 12/16/2025ACC: 0001193125-25-321150

InsiderO'CALLAGHAN BRIANCIK 1415015

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IssuerBOLT BIOTHERAPEUTICS, INC.CIK 1641281

Director

Since Nov 2021

0.00

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

7.90K acquired · 7.90K disposed

Non-Derivative Transactions0

No non-derivative transactions reported

Derivative Transactions12

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.39K shares

+1.39K

Strike price

5.44

Held after

1.39K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.39K shares

−1.39K

Strike price

180.20

Held after

0.00

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.81K shares

+1.81K

Strike price

5.44

Held after

1.81K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.81K shares

−1.81K

Strike price

60.60

Held after

0.00

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.25K shares

+1.25K

Strike price

5.44

Held after

1.25K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.25K shares

−1.25K

Strike price

39.80

Held after

0.00

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.25K shares

+1.25K

Strike price

5.44

Held after

1.25K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.25K shares

−1.25K

Strike price

32.60

Held after

0.00

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.10K shares

+1.10K

Strike price

5.44

Held after

1.10K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.10K shares

−1.10K

Strike price

15.364

Held after

0.00

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

1.10K shares

+1.10K

Strike price

5.44

Held after

1.10K

Exercisable

—

12/12/2025

Director Stock Option (Right to Buy)

Direct

D · Disposition

Converts to

Common Stock

1.10K shares

−1.10K

Strike price

6.40

Held after

0.00

Exercisable

—

12/12/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Director Stock Option (Right to Buy) Direct	Common Stock1.39K shares	12/12/2025	A · Award	+1.39K	5.44	—	1.39K
Director Stock Option (Right to Buy) Direct	Common Stock1.39K shares	12/12/2025	D · Disposition	−1.39K	180.20	—	0.00
Director Stock Option (Right to Buy) Direct	Common Stock1.81K shares	12/12/2025	A · Award	+1.81K	5.44	—	1.81K
Director Stock Option (Right to Buy) Direct	Common Stock1.81K shares	12/12/2025	D · Disposition	−1.81K	60.60	—	0.00
Director Stock Option (Right to Buy) Direct	Common Stock1.25K shares	12/12/2025	A · Award	+1.25K	5.44	—	1.25K
Director Stock Option (Right to Buy) Direct	Common Stock1.25K shares	12/12/2025	D · Disposition	−1.25K	39.80	—	0.00
Director Stock Option (Right to Buy) Direct	Common Stock1.25K shares	12/12/2025	A · Award	+1.25K	5.44	—	1.25K
Director Stock Option (Right to Buy) Direct	Common Stock1.25K shares	12/12/2025	D · Disposition	−1.25K	32.60	—	0.00
Director Stock Option (Right to Buy) Direct	Common Stock1.10K shares	12/12/2025	A · Award	+1.10K	5.44	—	1.10K
Director Stock Option (Right to Buy) Direct	Common Stock1.10K shares	12/12/2025	D · Disposition	−1.10K	15.364	—	0.00
Director Stock Option (Right to Buy) Direct	Common Stock1.10K shares	12/12/2025	A · Award	+1.10K	5.44	—	1.10K
Director Stock Option (Right to Buy) Direct	Common Stock1.10K shares	12/12/2025	D · Disposition	−1.10K	6.40	—	0.00