Trades Insiders Companies Cluster Buys Rankings About

ITS

InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

Trades
Insiders
Companies
Cluster Buys
Rankings

Top Insiders

Mark Zuckerberg
Elon Musk
Jamie Dimon
Satya Nadella
Lisa Su
Jensen Huang

Screeners

CEO & CFO Purchases
Director Purchases
Top Buys This Week
Top Sales This Week
10b5-1 Trades
Buy/Sell Ratios
Politician Overlap
Sectors

Learn

Learn
What is a Form 4?
About & Methodology
What are Cluster Buys?
Top Insider Rankings
Privacy Policy
Terms of Use

Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/Sutro Biopharma, Inc.

Sutro Biopharma, Inc.

65 insider trades tracked

STRO

Insider trades

65

Bought (open market)

$90K

Sold (open market)

$0

Unique insiders

14

12-month activity

Monthly insider buy vs sell totals for Sutro Biopharma, Inc..

BuysSells

Recent insider trades

Most recent Form 4 filings for Sutro Biopharma, Inc..

Hunter Heidigranted10,000 shares ofSTROat $0Jun 9Details
Dybbs Michaelgranted10,000 shares ofSTROat $0Jun 9Details
Wigginton Jon Marcgranted10,000 shares ofSTROat $0Jun 9Details
Jagpal Sukhigranted10,000 shares ofSTROat $0

Insiders at this company

Executives and directors who have filed Form 4s.

Chung Jane14 trades
Gerber Hans-Peter12 trades
Pauling David11 trades
Chow Gregory K.5 trades
Srinivasan Venkatesh4 trades
MATSUI CONNIE3 trades
Leyman Barbara2 trades
PANEK JAMES P2 trades

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician–Insider Overlap

Lobacki Joseph Mgranted10,000 shares ofSTROat $0Jun 9Details

Petree Daniel Hgranted10,000 shares ofSTROat $0Jun 9Details

MATSUI CONNIEgranted10,000 shares ofSTROat $0Jun 9Details

PANEK JAMES Pgranted10,000 shares ofSTROat $0Jun 9Details

Chow Gregory K.exercised2,500 shares ofSTROat $0Jun 2Details

Pauling Davidtax-withheld277 shares ofSTROat $21.31$6KMar 6Details

Pauling Davidexercised675 shares ofSTROat $0Mar 6Details

Chung Janetax-withheld282 shares ofSTROat $21.31$6KMar 6Details

Chung Janeexercised788 shares ofSTROat $0Mar 6Details

Pauling Davidgranted33,600 shares ofSTROat $0Mar 3Details

Pauling Davidgranted4,200 shares ofSTROat $0Mar 3Details

Pauling Davidtax-withheld970 shares ofSTROat $20.55$20KMar 3Details

Pauling Davidexercised2,356 shares ofSTROat $0Mar 3Details

Gerber Hans-Petergranted40,000 shares ofSTROat $0Mar 3Details

Gerber Hans-Petergranted5,000 shares ofSTROat $0Mar 3Details

Gerber Hans-Petertax-withheld1,170 shares ofSTROat $20.55$24KMar 3Details

Gerber Hans-Peterexercised2,843 shares ofSTROat $0Mar 3Details

Chung Janegranted175,000 shares ofSTROat $0Mar 3Details

Chung Janegranted40,000 shares ofSTROat $0Mar 3Details

Chung Janetax-withheld2,779 shares ofSTROat $20.55$57KMar 3Details

Chung Janeexercised7,750 shares ofSTROat $0Mar 3Details

Chow Gregory K.granted5,000 shares ofSTROat $0Mar 3Details

Chow Gregory K.granted40,000 shares ofSTROat $0Mar 3Details

Pauling Davidtax-withheld551 shares ofSTROat $20.47$11KMar 3Details

Pauling Davidexercised842 shares ofSTROat $0Mar 3Details

Pauling Davidexercised500 shares ofSTROat $0Mar 3Details

View all trades for STRO →

Petree Daniel H

2 trades

Lobacki Joseph M2 trades

Jagpal Sukhi2 trades

Wigginton Jon Marc2 trades

Dybbs Michael2 trades

Hunter Heidi2 trades

Sutro Biopharma, Inc. (STRO) — Insider Trading Activity | Insider Trading Screener