Insider trading activities (stock purchases, sales, and option exercises)
reported by insiders of Sutro Biopharma, Inc. (STRO)
since 2018 are shown in Table 1 and Table 2.
Table 1 shows the monthly insider trading data of Sutro Biopharma, Inc..
Table 2 shows the detailed insider transactions.
This company's CIK number is 1382101.
Total stock buying since 2018: $10,652,487.
Total stock sales since 2018: $14,863,546.
Total stock option exercises since 2018: $605,886.
Table 3. Detailed insider trading at Sutro Biopharma, Inc. (STRO)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2025-08-09 | Chung Jane (Chief Executive Officer) | Option Ex | 18,750 | .00 | 0 |
| 2025-07-08 | Leyman Barbara (Chief Business Officer) | Option Ex | 25,000 | .00 | 0 |
| 2025-05-15 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 44,719 | .00 | 0 |
| 2025-05-01 | Srinivasan Venkatesh (CHIEF TECH OP OFFICER) | Option Ex | 2,500 | .00 | 0 |
| 2025-05-01 | Borgman Anne Elizabeth (CHIEF MEDICAL OFFICER) | Option Ex | 69,063 | .00 | 0 |
| 2025-05-01 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 37,849 | .00 | 0 |
| 2025-04-11 | Srinivasan Venkatesh (CHIEF TECH OP OFFICER) | Option Ex | 21,250 | .00 | 0 |
| 2025-03-05 | Newell William J (CEO) | Option Ex | 18,750 | .00 | 0 |
| 2025-03-05 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 8,750 | .00 | 0 |
| 2025-03-05 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 8,750 | .00 | 0 |
| 2025-03-04 | Chung Jane (PRESIDENT AND COO) | Option Ex | 7,875 | .00 | 0 |
| 2025-03-04 | Newell William J (CEO) | Option Ex | 31,125 | .00 | 0 |
| 2025-03-04 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 9,125 | .00 | 0 |
| 2025-03-04 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 9,125 | .00 | 0 |
| 2025-03-01 | Gerber Hans-peter (CHIEF SCIENTIFIC OFFICER) | Option Ex | 11,250 | .00 | 0 |
| 2025-03-01 | Srinivasan Venkatesh (CHIEF TECH OP OFFICER) | Option Ex | 11,375 | .00 | 0 |
| 2025-03-01 | Chung Jane (PRESIDENT AND COO) | Option Ex | 31,875 | .00 | 0 |
| 2025-03-01 | Newell William J (CEO) | Option Ex | 65,500 | .00 | 0 |
| 2025-03-01 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 25,125 | .00 | 0 |
| 2025-03-01 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 20,275 | .00 | 0 |
| 2024-12-01 | Chung Jane (PRESIDENT AND COO) | Option Ex | 25,000 | .00 | 0 |
| 2024-09-18 | Gerber Hans-peter (CHIEF SCIENTIFIC OFFICER) | Option Ex | 37,500 | .00 | 0 |
| 2024-08-09 | Chung Jane (PRESIDENT AND COO) | Option Ex | 18,750 | .00 | 0 |
| 2024-05-01 | Srinivasan Venkatesh (CHIEF TECH OP OFFICER) | Option Ex | 2,500 | .00 | 0 |
| 2024-04-11 | Srinivasan Venkatesh (CHIEF TECH OP OFFICER) | Option Ex | 21,250 | .00 | 0 |
| 2024-03-05 | Newell William J (CEO) | Option Ex | 18,750 | .00 | 0 |
| 2024-03-05 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 8,750 | .00 | 0 |
| 2024-03-05 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 8,750 | .00 | 0 |
| 2024-03-04 | Chung Jane (PRESIDENT AND COO) | Option Ex | 7,875 | .00 | 0 |
| 2024-03-04 | Newell William J (CEO) | Option Ex | 31,125 | .00 | 0 |
| 2024-03-04 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 9,125 | .00 | 0 |
| 2024-03-04 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 9,125 | .00 | 0 |
| 2024-03-01 | Chung Jane (PRESIDENT AND COO) | Option Ex | 6,875 | .00 | 0 |
| 2024-03-01 | Newell William J (CEO) | Option Ex | 23,750 | .00 | 0 |
| 2024-03-01 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 7,875 | .00 | 0 |
| 2024-03-01 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 6,875 | .00 | 0 |
| 2024-02-29 | Borgman Anne Elizabeth (CHIEF MEDICAL OFFICER) | Option Ex | 37,500 | .00 | 0 |
| 2024-01-29 | Vasquez Nicki (CHIEF PORT. STRAT & ALNCE OFCR) | Sale | 12,185 | 5.00 | 60,925 |
| 2024-01-29 | Vasquez Nicki (CHIEF PORT. STRAT & ALNCE OFCR) | Option Ex | 2,500 | .00 | 0 |
| 2024-01-29 | Newell William J (CEO) | Option Ex | 13,750 | .00 | 0 |
| 2024-01-29 | Albini Edward C (CFO AND SECRETARY) | Option Ex | 5,250 | .00 | 0 |
| 2024-01-29 | Fitzpatrick Linda A (CHIEF PEOPLE & COMM. OFFICER) | Option Ex | 8,250 | .00 | 0 |
| 2023-08-25 | Shtylla Brunilda (Chief Business Officer) | Sale | 11,613 | 4.59 | 53,280 |
| 2023-08-09 | Chung Jane (Chief Commercial Officer) | Option Ex | 18,750 | .00 | 0 |
| 2023-07-12 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 3,250 | .00 | 0 |
| 2023-04-14 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 3,750 | .00 | 0 |
| 2023-03-03 | Shtylla Brunilda (Chief Business Officer) | Option Ex | 11,125 | .00 | 0 |
| 2023-03-03 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 12,250 | .00 | 0 |
| 2023-03-03 | Chung Jane (Chief Commercial Officer) | Option Ex | 7,875 | .00 | 0 |
| 2023-03-03 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 16,625 | .00 | 0 |
| 2023-03-03 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 22,250 | .00 | 0 |
| 2023-03-03 | Newell William J (CEO) | Option Ex | 49,875 | .00 | 0 |
| 2023-03-03 | Albini Edward C (CFO and Secretary) | Option Ex | 17,875 | .00 | 0 |
| 2023-03-03 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 17,875 | .00 | 0 |
| 2023-02-13 | Albini Edward C (CFO and Secretary) | Option Ex | 45,698 | 5.81 | 265,413 |
| 2023-01-27 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 2,500 | .00 | 0 |
| 2023-01-27 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 4,500 | .00 | 0 |
| 2023-01-27 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 5,250 | .00 | 0 |
| 2023-01-27 | Newell William J (CEO) | Option Ex | 13,750 | .00 | 0 |
| 2023-01-27 | Albini Edward C (CFO and Secretary) | Option Ex | 5,250 | .00 | 0 |
| 2023-01-27 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 8,250 | .00 | 0 |
| 2022-08-09 | Chung Jane (Chief Commercial Officer) | Option Ex | 18,750 | .00 | 0 |
| 2022-07-12 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 3,250 | .00 | 0 |
| 2022-04-14 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 3,750 | .00 | 0 |
| 2022-03-14 | Newell William J (CEO) | Buy | 10,000 | 7.75 | 77,510 |
| 2022-03-05 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 5,500 | .00 | 0 |
| 2022-03-05 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 8,750 | .00 | 0 |
| 2022-03-05 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 12,500 | .00 | 0 |
| 2022-03-05 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 12,500 | .00 | 0 |
| 2022-03-05 | Newell William J (CEO) | Option Ex | 18,750 | .00 | 0 |
| 2022-03-05 | Albini Edward C (CFO and Secretary) | Option Ex | 8,750 | .00 | 0 |
| 2022-03-05 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 8,750 | .00 | 0 |
| 2022-02-08 | Petree Daniel H (Director) | Option Ex | 14,277 | 5.33 | 76,053 |
| 2022-01-29 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 2,500 | .00 | 0 |
| 2022-01-29 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 4,500 | .00 | 0 |
| 2022-01-29 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 5,250 | .00 | 0 |
| 2022-01-29 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 5,250 | .00 | 0 |
| 2022-01-29 | Newell William J (CEO) | Option Ex | 13,750 | .00 | 0 |
| 2022-01-29 | Albini Edward C (CFO and Secretary) | Option Ex | 5,250 | .00 | 0 |
| 2022-01-29 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 8,250 | .00 | 0 |
| 2021-09-28 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Sale | 3,906 | 18.62 | 72,725 |
| 2021-09-24 | Vasquez Nicki (Chief Port. Strat & Alnce Ofcr) | Option Ex | 5,969 | .00 | 0 |
| 2021-09-24 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 8,609 | .00 | 0 |
| 2021-09-24 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 8,609 | .00 | 0 |
| 2021-09-24 | Hallam Trevor (Pres. Rsrch & Cf. Sctific Ofcr) | Option Ex | 11,019 | .00 | 0 |
| 2021-09-24 | Newell William J (CEO) | Option Ex | 25,253 | .00 | 0 |
| 2021-09-24 | Albini Edward C (CFO and Secretary) | Option Ex | 7,174 | .00 | 0 |
| 2021-09-24 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 7,576 | .00 | 0 |
| 2021-01-29 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 4,500 | .00 | 0 |
| 2021-01-29 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 5,250 | .00 | 0 |
| 2021-01-29 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 5,250 | .00 | 0 |
| 2021-01-29 | Newell William J (CEO) | Option Ex | 13,750 | .00 | 0 |
| 2021-01-29 | Albini Edward C (CFO and Secretary) | Option Ex | 5,250 | .00 | 0 |
| 2021-01-29 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 8,250 | .00 | 0 |
| 2021-01-26 | Hallam Trevor (Chief Scientific Officer) | Sale | 2,393 | 25.89 | 61,954 |
| 2021-01-26 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 2,393 | 4.36 | 10,433 |
| 2021-01-26 | Petree Daniel H (Director) | Option Ex | 4,132 | 4.36 | 18,015 |
| 2021-01-19 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 1,652 | 4.36 | 7,202 |
| 2021-01-14 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 19,405 | 4.36 | 84,605 |
| 2020-12-28 | Hallam Trevor (Chief Scientific Officer) | Sale | 2,393 | 22.37 | 53,531 |
| 2020-12-28 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 2,393 | 4.36 | 10,433 |
| 2020-11-27 | Hallam Trevor (Chief Scientific Officer) | Sale | 2,393 | 17.01 | 40,712 |
| 2020-11-27 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 2,393 | 4.36 | 10,433 |
| 2020-11-05 | Hallam Trevor (Chief Scientific Officer) | Sale | 16,751 | 15.00 | 251,265 |
| 2020-11-05 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 16,751 | 4.36 | 73,034 |
| 2020-10-05 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 9,182 | 4.36 | 40,033 |
| 2020-09-28 | Hallam Trevor (Chief Scientific Officer) | Sale | 975 | 10.26 | 10,006 |
| 2020-09-25 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 8,609 | .00 | 0 |
| 2020-09-25 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 8,609 | .00 | 0 |
| 2020-09-25 | Hallam Trevor (Chief Scientific Officer) | Option Ex | 17,906 | .00 | 0 |
| 2020-09-25 | Newell William J (CEO) | Option Ex | 25,252 | .00 | 0 |
| 2020-09-25 | Albini Edward C (CFO and Secretary) | Option Ex | 7,174 | .00 | 0 |
| 2020-09-25 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 7,576 | .00 | 0 |
| 2020-09-18 | Freund John Gordon (Director) | Sale | 400,000 | 12.00 | 4,800,000 |
| 2020-09-11 | Freund John Gordon (Director) | Sale | 500,000 | 10.00 | 5,000,000 |
| 2020-08-26 | Hallam Trevor (Chief Scientific Officer) | Sale | 975 | 9.04 | 8,817 |
| 2020-08-19 | Freund John Gordon (Director) | Sale | 500,000 | 8.72 | 4,360,000 |
| 2020-07-27 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 8.06 | 7,858 |
| 2020-05-26 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 10.00 | 9,752 |
| 2020-05-14 | Molina Arturo Md (Chief Medical Officer) | Buy | 6,451 | 7.75 | 49,995 |
| 2020-05-14 | Newell William J (CEO) | Buy | 64,516 | 7.75 | 499,999 |
| 2020-05-14 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Buy | 3,225 | 7.75 | 24,993 |
| 2020-04-27 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 10.30 | 10,044 |
| 2020-03-26 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 9.70 | 9,452 |
| 2020-02-26 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 10.47 | 10,207 |
| 2020-01-27 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 10.51 | 10,250 |
| 2019-12-26 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 11.08 | 10,802 |
| 2019-11-26 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 10.68 | 10,410 |
| 2019-10-28 | Hallam Trevor (Chief Science Officer) | Sale | 975 | 9.98 | 9,726 |
| 2019-09-26 | Shabbir Anik (Chief Technical Ops. Officer) | Option Ex | 8,608 | .00 | 0 |
| 2019-09-26 | Molina Arturo Md (Chief Medical Officer) | Option Ex | 8,608 | .00 | 0 |
| 2019-09-26 | Hallam Trevor (Chief Science Officer) | Option Ex | 17,906 | .00 | 0 |
| 2019-09-26 | Newell William J (CEO) | Option Ex | 25,252 | .00 | 0 |
| 2019-09-26 | Albini Edward C (CFO and Secretary) | Option Ex | 7,174 | .00 | 0 |
| 2019-09-26 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 7,575 | .00 | 0 |
| 2019-09-06 | Petree Daniel H (Director) | Option Ex | 826 | 5.09 | 4,204 |
| 2019-08-29 | Fitzpatrick Linda A (Chief People & Comm. Officer) | Option Ex | 826 | 5.09 | 4,204 |
| 2018-10-01 | Petree Daniel H (Director) | Sale | 122 | 15.00 | 1,830 |
| 2018-10-01 | Petree Daniel H (Director) | Option Ex | 314 | 5.81 | 1,824 |
| 2018-10-01 | Merck Sharp & Dohme Corp. (10% Owner) | Buy | 666,666 | 15.00 | 9,999,990 |
Insider trading activities including stock purchases, stock sales, and option exercises
of STRO listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of Sutro Biopharma, Inc. (symbol STRO,
CIK number 1382101) see
the Securities and Exchange Commission (SEC) website.