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CIK 0001382101 · Non-accelerated filer<br>Smaller reporting company

SUTRO BIOPHARMA, INC.

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Ticker
STRO
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Entity type
operating
EIN
452441988
Phone
650-392-8412
Business address
111 OYSTER POINT BLVD., SOUTH SAN FRANCISCO, CA, 94080
Former names
SUTRO BIOPHARMA INC, Fundamental Applied Biology Inc
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-04-04 Srinivasan Venkatesh CHIEF TECH OP OFFICER Grant or award · Stock Option (Right to Buy) +101,500 101,500
2025-04-04 Srinivasan Venkatesh CHIEF TECH OP OFFICER Grant or award · Restricted Stock Units (RSUs) +94,250 94,250
2025-04-04 Pauling David Chief Admin. Ofcr. & GC Grant or award · Stock Option (Right to Buy) +101,500 101,500
2025-04-04 Pauling David Chief Admin. Ofcr. & GC Grant or award · Restricted Stock Units (RSUs) +94,250 94,250
2025-03-05 NEWELL WILLIAM J CEO Option exercise +18,750 299,239
2025-03-05 NEWELL WILLIAM J CEO Shares withheld for taxes −6,708 $1.36 $9K 292,531
2025-03-05 NEWELL WILLIAM J CEO Option exercise · Restricted Stock Unit (RSU) −18,750 0
2025-03-05 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Option exercise +8,750 99,027
2025-03-05 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Shares withheld for taxes −3,594 $1.36 $5K 95,433
2025-03-05 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Option exercise · Restricted Stock Unit (RSU) −8,750 0
2025-03-05 ALBINI EDWARD C CFO AND SECRETARY Option exercise +8,750 135,675
2025-03-05 ALBINI EDWARD C CFO AND SECRETARY Shares withheld for taxes −3,594 $1.36 $5K 132,081
2025-03-05 ALBINI EDWARD C CFO AND SECRETARY Option exercise · Restricted Stock Unit (RSU) −8,750 0
2025-03-04 ALBINI EDWARD C CFO AND SECRETARY Option exercise +9,125 130,673
2025-03-04 ALBINI EDWARD C CFO AND SECRETARY Shares withheld for taxes −3,748 $1.42 $5K 126,925
2025-03-04 ALBINI EDWARD C CFO AND SECRETARY Option exercise · Restricted Stock Unit (RSU) −9,125 9,125
2025-03-04 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Option exercise +9,125 94,025
2025-03-04 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Shares withheld for taxes −3,748 $1.42 $5K 90,277
2025-03-04 FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER Option exercise · Restricted Stock Unit (RSU) −9,125 9,125
2025-03-04 NEWELL WILLIAM J CEO Option exercise +31,125 291,625

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