Insider Transactions Reported by 25 Insiders of SUTRO BIOPHARMA, INC.

Symbol
STRO on Nasdaq
Location
South San Francisco, CA

Insiders trading volume in the past year

SUTRO BIOPHARMA, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
William J. Newell CEO, Director $1,399,621 05 Mar 2025
Jane Chung Chief Executive Officer, Director $755,524 +$10,011 +1.3% 04 Mar 2026
Trevor Hallam Pres. Rsrch & Cf. Sctific Ofcr $507,563 14 Apr 2023
Arturo Molina MD Chief Medical Officer $354,016 04 Mar 2022
Hans-Peter Gerber Chief Scientific Officer $350,294 +$13,607 +4% 01 Mar 2026
David Pauling Chief Admin. Ofcr. & GC $275,374 +$9,993 +3.8% 04 Mar 2026
Shabbir Anik Chief Technical Ops. Officer $274,452 03 Mar 2023
Venkatesh Srinivasan Chief Tech Op Officer $214,524 01 May 2025
Anne Elizabeth Borgman Chief Medical Officer $195,061 01 May 2025
Edward C. Albini Cfo And Secretary $141,508 15 May 2025
Linda A. Fitzpatrick Chief People & Comm. Officer $134,667 01 May 2025
Barbara Leyman Chief Business Officer $127,443 08 Jul 2025
Nicki Vasquez Chief Port. Strat & Alnce Ofcr $71,252 29 Jan 2024
Connie Matsui Director $39,950 +$39,950 23 Dec 2025
Gregory K. Chow Cfo $15,997 +$15,998 02 Mar 2026
Shalini Sharp Director 06 Jun 2022
Heidi Hunter Director 23 Dec 2025
Brunilda Shtylla Chief Business Officer 28 Aug 2023
James P. Panek Director 23 Dec 2025
Michael Dybbs Director 23 Dec 2025
Joseph M. Lobacki Director 23 Dec 2025
John G. Freund MD Director 06 Jun 2024
Jon Marc Wigginton Director 23 Dec 2025
Daniel H. Petree Director 23 Dec 2025
Sukhi Jagpal Director 23 Dec 2025

Recent Insider Transactions by Companies or Individuals for SUTRO BIOPHARMA, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
David Pauling STRO Common Stock Tax liability -2.76% -277 9,748 04 Mar 2026 Direct
David Pauling STRO Common Stock Options Exercise 7.22% 675 10,025 04 Mar 2026 Direct
David Pauling STRO Restricted Stock Units (RSUs) Options Exercise -100% -675 0 04 Mar 2026 Direct
Jane Chung STRO Common Stock Tax liability -1.31% -282 21,285 04 Mar 2026 Direct
Jane Chung STRO Common Stock Options Exercise 3.79% 788 21,567 04 Mar 2026 Direct
Jane Chung STRO Restricted Stock Units (RSUs) Options Exercise -100% -788 0 04 Mar 2026 Direct
David Pauling STRO Common Stock Tax liability -9.4% -970 9,350 02 Mar 2026 Direct
David Pauling STRO Common Stock Options Exercise 29.6% 2,356 10,320 02 Mar 2026 Direct
David Pauling STRO Stock Option (right to buy) Award 33,600 33,600 02 Mar 2026 Direct
David Pauling STRO Restricted Stock Units (RSUs) Award 4,200 4,200 02 Mar 2026 Direct
David Pauling STRO Restricted Stock Units (RSUs) Options Exercise -25% -2,356 7,069 02 Mar 2026 Direct
Hans-Peter Gerber STRO Common Stock Tax liability -11% -1,170 9,518 02 Mar 2026 Direct
Hans-Peter Gerber STRO Common Stock Options Exercise 36.2% 2,843 10,688 02 Mar 2026 Direct
Hans-Peter Gerber STRO Stock Option (right to buy) Award 40,000 40,000 02 Mar 2026 Direct
Hans-Peter Gerber STRO Restricted Stock Units (RSUs) Award 5,000 5,000 02 Mar 2026 Direct
Hans-Peter Gerber STRO Restricted Stock Units (RSUs) Options Exercise -25% -2,843 8,532 02 Mar 2026 Direct
Gregory K. Chow STRO Restricted Stock Units (RSUs) Award 5,000 5,000 02 Mar 2026 Direct
Gregory K. Chow STRO Stock Option (right to buy) Award 40,000 40,000 02 Mar 2026 Direct
Jane Chung STRO Common Stock Tax liability -11.8% -2,779 20,779 02 Mar 2026 Direct
Jane Chung STRO Common Stock Options Exercise 49% 7,750 23,558 02 Mar 2026 Direct
Jane Chung STRO Stock Option (right to buy) Award 175,000 175,000 02 Mar 2026 Direct
Jane Chung STRO Restricted Stock Units (RSUs) Award 40,000 40,000 02 Mar 2026 Direct
Jane Chung STRO Restricted Stock Units (RSUs) Options Exercise -25% -7,750 23,250 02 Mar 2026 Direct
David Pauling STRO Common Stock Tax liability -6.47% -551 7,964 01 Mar 2026 Direct
David Pauling STRO Common Stock Options Exercise 18.7% 1,342 8,515 01 Mar 2026 Direct
David Pauling STRO Restricted Stock Units (RSUs) Options Exercise -72.9% -1,342 500 01 Mar 2026 Direct
Hans-Peter Gerber STRO Common Stock Tax liability -5.57% -463 7,845 01 Mar 2026 Direct
Hans-Peter Gerber STRO Common Stock Options Exercise 15.7% 1,125 8,308 01 Mar 2026 Direct
Hans-Peter Gerber STRO Restricted Stock Units (RSUs) Options Exercise -33.3% -1,125 2,250 01 Mar 2026 Direct
Jane Chung STRO Common Stock Tax liability -7.44% -1,271 15,808 01 Mar 2026 Direct
Jane Chung STRO Common Stock Options Exercise 23% 3,188 17,079 01 Mar 2026 Direct
Jane Chung STRO Restricted Stock Units (RSUs) Options Exercise -82.2% -3,188 688 01 Mar 2026 Direct
Jon Marc Wigginton STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Daniel H. Petree STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
James P. Panek STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Connie Matsui STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Joseph M. Lobacki STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Sukhi Jagpal STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Heidi Hunter STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
Michael Dybbs STRO Stock Option (right to buy) Award 1,500 1,500 23 Dec 2025 Direct
David Pauling STRO Stock Option (right to buy) Award 7,200 7,200 23 Dec 2025 Direct
Hans-Peter Gerber STRO Stock Option (right to buy) Award 7,925 7,925 23 Dec 2025 Direct
Gregory K. Chow STRO Stock Option (right to buy) Award 8,200 8,200 23 Dec 2025 Direct
Jane Chung STRO Common Stock Tax liability -6.05% -894 13,891 12 Dec 2025 Direct
Jane Chung STRO Common Stock Options Exercise 20.4% 2,500 14,785 12 Dec 2025 Direct
Jane Chung STRO Restricted Stock Unit (RSU) Options Exercise -33.3% -2,500 5,000 12 Dec 2025 Direct
Hans-Peter Gerber STRO Common Stock Purchase 31% $13,607 $0.8004 17,000 71,832 15 Oct 2025 Direct
Gregory K. Chow STRO Common Stock Purchase $15,998 $0.8100 19,750 19,750 15 Oct 2025 Direct
Jane Chung STRO Common Stock Purchase 11.3% $10,011 $0.8009 12,500 122,850 15 Oct 2025 Direct
Connie Matsui STRO Common Stock Purchase $39,950 $0.7990 50,000 50,000 15 Oct 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.