SEIDENBERG BETH C reported 7 transactions at LATIGO BIOTHERAPEUTICS, INC.

Review the transaction codes below to understand the nature of each event.

SEIDENBERG BETH C

Filed: 8/11/2026ACC: 0001184592-26-000005

InsiderSEIDENBERG BETH CCIK 1184592

→

IssuerLATIGO BIOTHERAPEUTICS, INC.CIK 2056611

Director10% Owner

Since Aug 2026

0.00

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

12.70M acquired · 12.70M disposed

Non-Derivative Transactions7

Common Stock

Indirect

C · Conversion

+938.98K

Price / share

—

Trade value

—

% of position

218.6%

8/10/2026

429.55K→1.37M

Common Stock

Indirect

C · Conversion

+3.55M

Price / share

—

Trade value

—

% of position

259.2%

8/10/2026

1.37M→4.92M

Common Stock

Indirect

C · Conversion

+1.03M

Price / share

—

Trade value

—

% of position

20.9%

8/10/2026

4.92M→5.94M

Common Stock

Indirect

C · Conversion

+3.46M

Price / share

—

Trade value

—

% of position

7393.2%

8/10/2026

46.85K→3.51M

Common Stock

Indirect

C · Conversion

+1.48M

Price / share

—

Trade value

—

% of position

42.3%

8/10/2026

3.51M→5M

Common Stock

Indirect

C · Conversion

+165.52K

Price / share

—

Trade value

—

% of position

3.3%

8/10/2026

5M→5.16M

Common Stock

Indirect

C · Conversion

+2.07M

Price / share

—

Trade value

—

% of position

7393.3%

8/10/2026

27.96K→2.09M

Total

Net shares

+12.70M

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/10/2026	C · Conversion	+938.98K	—	—	218.6%	429.55K	1.37M
Common Stock Indirect	8/10/2026	C · Conversion	+3.55M	—	—	259.2%	1.37M	4.92M
Common Stock Indirect	8/10/2026	C · Conversion	+1.03M	—	—	20.9%	4.92M	5.94M
Common Stock Indirect	8/10/2026	C · Conversion	+3.46M	—	—	7393.2%	46.85K	3.51M
Common Stock Indirect	8/10/2026	C · Conversion	+1.48M	—	—	42.3%	3.51M	5M
Common Stock Indirect	8/10/2026	C · Conversion	+165.52K	—	—	3.3%	5M	5.16M
Common Stock Indirect	8/10/2026	C · Conversion	+2.07M	—	—	7393.3%	27.96K	2.09M
Total			+12.70M		$0.00

Derivative Transactions7

Series Seed Convertible Stock

Indirect

C · Conversion

Converts to

Common Stock

938.98K shares

−938.98K

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series A Convertible Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

3.55M shares

−3.55M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series A-2 Convertible Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

1.03M shares

−1.03M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series A-2 Convertible Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

3.46M shares

−3.46M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series B Convertible Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

1.48M shares

−1.48M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series A-2 Convertible Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

2.07M shares

−2.07M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Convertible Promissory Note

Indirect

C · Conversion

Converts to

Common Stock

165.52K shares

−165.52K

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Security	Converts To	Date	Type	Shares	Exercisable
Series Seed Convertible Stock Indirect	Common Stock938.98K shares	8/10/2026	C · Conversion	−938.98K	—
Series A Convertible Preferred Stock Indirect	Common Stock3.55M shares	8/10/2026	C · Conversion	−3.55M	—
Series A-2 Convertible Preferred Stock Indirect	Common Stock1.03M shares	8/10/2026	C · Conversion	−1.03M	—
Series A-2 Convertible Preferred Stock Indirect	Common Stock3.46M shares	8/10/2026	C · Conversion	−3.46M	—
Series B Convertible Preferred Stock Indirect	Common Stock1.48M shares	8/10/2026	C · Conversion	−1.48M	—
Series A-2 Convertible Preferred Stock Indirect	Common Stock2.07M shares	8/10/2026	C · Conversion	−2.07M	—
Convertible Promissory Note Indirect	Common Stock165.52K shares	8/10/2026	C · Conversion	−165.52K	—