Jane Chung - Chief Executive Officer, Director at SUTRO BIOPHARMA, INC.

Issuer-level insider activity

Role: Chief Executive Officer, Director
Issuer ticker: STRO on Nasdaq
Entity type: Individual
Source filing history: Open source filing history

Past-year transaction volume for Jane Chung in SUTRO BIOPHARMA, INC.

Buys

Open market

Shares: +12,500
Avg price: $0.8009
Total value: +$10,011

Sells

Open market

Shares
Avg price
Total value

Net

Past year

Shares: +12,500
Share %: 100%
Total value: +$10,011

Reported holdings for Jane Chung in SUTRO BIOPHARMA, INC.

Form 4 holding Chief Executive Officer, Director

SUTRO BIOPHARMA, INC.

Security class: Restricted Stock Units (RSUs)
Shares / value: 0
Estimated value: $421,600
Report date: 04 Mar 2026
Price: $1.36
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Form 4 holding Chief Executive Officer, Director

SUTRO BIOPHARMA, INC.

Security class: Common Stock
Shares / value: 21,285
Estimated value: $321,403
Report date: 04 Mar 2026
Price: $15.10
Ownership: Direct

Form 4 holding Chief Executive Officer, Director

SUTRO BIOPHARMA, INC.

Security class: Restricted Stock Unit (RSU)
Shares / value: 5,000
Estimated value: $12,521
Report date: 12 Dec 2025
Price: $1.59
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Form 4 holding Chief Executive Officer, Director

SUTRO BIOPHARMA, INC.

Security class: Stock Option (right to buy)
Shares / value: 175,000
Estimated value
Report date: 02 Mar 2026
Price
Ownership: Direct
Underlying class: Common Stock
Underlying amount

Transaction history for Jane Chung in SUTRO BIOPHARMA, INC.

Sym	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares after	Date	Ownership

^* marks a reported price that did not pass the local price check.

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