CFO · SUTRO BIOPHARMA, INC. · SUTRO BIOPHARMA, INC. — Stock Option (right to buy)
Side
A
Value
—
Shares
8,200
Price
—
Executed
Dec 23, 2025
Disclosed
Dec 29, 2025
Disclosure timeline6 days from execution to publication · legal deadline 2 business days
Dec 23 executedDec 29, 2025 disclosed
STRO · daily
Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.
Grant or award — administrative, little informational value
Relative size+1 / 25
No reported dollar value · new position
Filing timing+6 / 15
Disclosed 4 business days after execution (deadline: 2)
Historical behavior+8 / 15
First recorded trade by this actor in this security
Frequency & clustering0 / 15
No clustered activity in the dataset
Market events0 / 10
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
SUTRO BIOPHARMA, INC. — Stock Option (right to buy)
Ticker
STRO
Shares
8,200
Price per share
$0
Execution date (reported)
Dec 23, 2025
Owned after transaction
8,200 shares
Days from execution to publication
6
What this establishes
Chow Gregory K. filed this Form 4 reporting a grant or award of STRO on Dec 23, 2025. It became public on Dec 29, 2025. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
Extraction
Method
Form 4 XML
Confidence
1.00
CFO
Chow Gregory K.cik:0001761333
Issuer
SUTRO BIOPHARMA, INC.cik:0001382101
Revision history · 0
No field has changed since this record was first ingested.
