SEIDENBERG BETH C enters LATIGO BIOTHERAPEUTICS, INC. with 504.36K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Indirect Derivatives

SEIDENBERG BETH C

Filed: 8/7/2026ACC: 0001184592-26-000004

InsiderSEIDENBERG BETH CCIK 1184592

→

IssuerLATIGO BIOTHERAPEUTICS, INC.CIK 2056611

Director10% Owner

Since Aug 2026

504.36K

Baseline shares

0.00

Direct ownership

0 positions

12.70M

Derivative underlying

7 instruments

Security positions

504.36K indirect

Non-Derivative Holdings3

Common Stock

Indirect

Shares owned429.55K

Common Stock

Indirect

Shares owned27.96K

Common Stock

Indirect

Shares owned46.85K

Total

504.36K indirect504.36K

Security Title	Shares Owned	Ownership Type
Common Stock	429.55K	Indirect
Common Stock	27.96K	Indirect
Common Stock	46.85K	Indirect
Total	504.36K	504.36K indirect

Derivative Holdings7

Series A-2 Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

3.46M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Series A-2 Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

1.03M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Series A Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

3.55M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Convertible Promissory Note

Indirect

Underlying security

Common Stock

Underlying shares

165.52K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Series Seed Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

938.98K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Series B Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

1.48M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Series A-2 Convertible Preferred Stock

Indirect

Underlying security

Common Stock

Underlying shares

2.07M

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

12.70M

Owned

0.00

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Series A-2 Convertible Preferred Stock Indirect	Common Stock	—	—	3.46M	N/A
Series A-2 Convertible Preferred Stock Indirect	Common Stock	—	—	1.03M	N/A
Series A Convertible Preferred Stock Indirect	Common Stock	—	—	3.55M	N/A
Convertible Promissory Note Indirect	Common Stock	—	—	165.52K	N/A
Series Seed Convertible Preferred Stock Indirect	Common Stock	—	—	938.98K	N/A
Series B Convertible Preferred Stock Indirect	Common Stock	—	—	1.48M	N/A
Series A-2 Convertible Preferred Stock Indirect	Common Stock	—	—	2.07M	N/A
Total				12.70M	0.00