NASDAQ:STRO | Insider Transactions | SUTRO BIOPHARMA, INC.

STRO Insider Transactions

37 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–37; provenance stays internal.

STRO insiders transaction timeline

PurchaseSale
2018-10-01: 2 purchases — Merck & Co., Inc., Merck Sharp & Dohme Corp.2018-10-01: 1 sale — Petree Daniel H2019-10-28: 1 sale — Hallam Trevor2019-11-26: 1 sale — Hallam Trevor2019-12-26: 1 sale — Hallam Trevor2020-01-27: 1 sale — Hallam Trevor2020-02-26: 1 sale — Hallam Trevor2020-03-26: 1 sale — Hallam Trevor2020-04-27: 2 sales — Hallam Trevor2020-05-14: 3 purchases — NEWELL WILLIAM J, MOLINA ARTURO MD, FITZPATRICK LINDA A2020-05-26: 1 sale — Hallam Trevor2020-06-26: 1 sale — Hallam Trevor2020-07-27: 1 sale — Hallam Trevor2020-08-19: 1 sale — Freund John Gordon2020-08-26: 1 sale — Hallam Trevor2020-09-11: 1 sale — Freund John Gordon2020-09-18: 1 sale — Freund John Gordon2020-09-28: 1 sale — Hallam Trevor2020-11-05: 1 sale — Hallam Trevor2020-11-27: 1 sale — Hallam Trevor2020-12-28: 1 sale — Hallam Trevor2021-01-26: 2 sales — Hallam Trevor2021-09-28: 1 sale — Vasquez Nicki2022-03-14: 1 purchase — NEWELL WILLIAM J2023-08-25: 1 sale — Shtylla Brunilda2023-08-28: 1 sale — Shtylla Brunilda2024-01-29: 1 sale — Vasquez Nicki2025-10-15: 5 purchases — Pauling David, Gerber Hans-Peter, Chung Jane and 2 more2018-10-012025-10-15
Insider profileRoleDateTransactionSharesPrice
Pauling DavidChief Admin. Ofcr. & GC2025-10-15Purchase12,504.0$0.8
Gerber Hans-PeterCHIEF SCIENTIFIC OFFICER2025-10-15Purchase17,000.0$0.8
Chung JaneChief Executive Officer2025-10-15Purchase12,500.0$0.8
Chow Gregory K.CFO2025-10-15Purchase19,750.0$0.81
MATSUI CONNIEDirector2025-10-15Purchase50,000.0$0.8
Vasquez NickiCHIEF PORT. STRAT & ALNCE OFCR2024-01-29Sale12,185.0$5.0
Shtylla BrunildaChief Business Officer2023-08-28Sale15,428.0$4.71
Shtylla BrunildaChief Business Officer2023-08-25Sale11,613.0$4.59
NEWELL WILLIAM JCEO2022-03-14Purchase10,000.0$7.75
Vasquez NickiChief Port. Strat & Alnce Ofcr2021-09-28Sale3,906.0$18.62
Hallam TrevorChief Scientific Officer2021-01-26Sale165.0$26.1
Hallam TrevorChief Scientific Officer2021-01-26Sale2,228.0$25.68
Hallam TrevorChief Scientific Officer2020-12-28Sale2,393.0$22.37
Hallam TrevorChief Scientific Officer2020-11-27Sale2,393.0$17.01
Hallam TrevorChief Scientific Officer2020-11-05Sale16,751.0$15.0
Hallam TrevorChief Scientific Officer2020-09-28Sale975.0$10.26
Freund John GordonDirector2020-09-18Sale400,000.0$12.0
Freund John GordonDirector2020-09-11Sale500,000.0$10.0
Hallam TrevorChief Scientific Officer2020-08-26Sale975.0$9.04
Freund John GordonDirector2020-08-19Sale500,000.0$8.72
Hallam TrevorChief Science Officer2020-07-27Sale975.0$8.06
Hallam TrevorChief Science Officer2020-06-26Sale975.0$8.02
Hallam TrevorChief Science Officer2020-05-26Sale975.0$10.0
NEWELL WILLIAM JCEO2020-05-14Purchase64,516.0$7.75
MOLINA ARTURO MDChief Medical Officer2020-05-14Purchase6,451.0$7.75
FITZPATRICK LINDA AChief People & Comm. Officer2020-05-14Purchase3,225.0$7.75
Hallam TrevorChief Science Officer2020-04-27Sale2.0$11.19
Hallam TrevorChief Science Officer2020-04-27Sale973.0$9.41
Hallam TrevorChief Science Officer2020-03-26Sale975.0$9.69
Hallam TrevorChief Science Officer2020-02-26Sale975.0$10.47
Hallam TrevorChief Science Officer2020-01-27Sale975.0$10.51
Hallam TrevorChief Science Officer2019-12-26Sale975.0$11.08
Hallam TrevorChief Science Officer2019-11-26Sale975.0$10.68
Hallam TrevorChief Science Officer2019-10-28Sale975.0$9.98
Merck & Co., Inc.TenPercentOwner2018-10-01Purchase666,666.0$15.0
Merck Sharp & Dohme Corp.TenPercentOwner2018-10-01Purchase666,666.0$15.0
Petree Daniel HDirector2018-10-01Sale122.0$15.0