LI YISHAN

PrivateCIK: 1772233

Location

SAN DIEGO, CA

LI YISHAN (Executive Chairman) reported 3 transactions at BLOSSOMHILL THERAPEUTICS, INC.

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

LI YISHAN

Filed: 8/10/2026ACC: 0001772233-26-000005

InsiderLI YISHANCIK 1772233

→

IssuerBLOSSOMHILL THERAPEUTICS, INC.CIK 1839970

DirectorOfficer10% Owner· Executive Chairman

Since Aug 2026

+112.70K

Net shares

Net buyer

$0.00

Total acquired

0

Open market trades

0B · 0S

7

Total transactions

1.95M acquired · 1.84M disposed

Non-Derivative Transactions3

Common Stock

Indirect

C · Conversion

Shares

+1.60M

Price / share

—

Trade value

—

% of position

New position

8/10/2026

0.00→1.60M

Common Stock

Indirect

C · Conversion

Shares

+113.44K

Price / share

—

Trade value

—

% of position

7.1%

8/10/2026

1.60M→1.71M

Common Stock

Indirect

C · Conversion

Shares

+124.78K

Price / share

—

Trade value

—

% of position

New position

8/10/2026

0.00→124.78K

Total

Net shares

+1.84M

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	+1.60M	—	—	New position	0.00	1.60M
Common Stock Indirect	8/10/2026	C · Conversion	+113.44K	—	—	7.1%	1.60M	1.71M
Common Stock Indirect	8/10/2026	C · Conversion	+124.78K	—	—	New position	0.00	124.78K
Total			+1.84M		$0.00

Derivative Transactions4

Employee Stock Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

112.70K shares

Shares

+112.70K

Strike price

16

Held after

112.70K

Exercisable

—

8/6/2026

Series Angel Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

1.60M shares

Shares

−1.60M

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series B Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

113.44K shares

Shares

−113.44K

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Series B Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

124.78K shares

Shares

−124.78K

Strike price

Held after

0.00

Exercisable

—

8/10/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (Right to Buy) Direct	Common Stock112.70K shares	8/6/2026	A · Award	+112.70K	16	—	112.70K
Series Angel Preferred Stock Indirect	Common Stock1.60M shares	8/10/2026	C · Conversion	−1.60M		—	0.00
Series B Preferred Stock Indirect	Common Stock113.44K shares	8/10/2026	C · Conversion	−113.44K		—	0.00
Series B Preferred Stock Indirect	Common Stock124.78K shares	8/10/2026	C · Conversion	−124.78K		—	0.00

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Direct

Shares owned1.07M

Common Stock

Indirect

Shares owned1.07M

Total

1.07M direct·1.07M indirect2.13M

Security Title	Shares Owned	Ownership Type
Common Stock	1.07M	Direct
Common Stock	1.07M	Indirect
Total	2.13M	1.07M direct·1.07M indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported