SUTRO BIOPHARMA, INC. (STRO) · INSIDERData sourcesSEC Form 44h ago
House PTR4h ago
SEC 13F4h ago
Robinhood Chain4h ago
Public companySUTRO BIOPHARMA, INC.
STROCIK 0001382101
Price$10.26
1 year+26.7%
Disclosed transactions27
Buys / sells0 / 0
Max Insider Score21
Connections with evidence7
STRO · disclosed activity on price
| Score | Actor | Security | Side | Value | Executed | Disclosed | Lag | Source | Evidence |
|---|
| 17 | GPGerber Hans-PeterCHIEF SCIENTIFIC OFFICER | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 3,750 sh | Sep 18, 2026 | Sep 22, 2026 |
| 9 | GPGerber Hans-PeterCHIEF SCIENTIFIC OFFICER | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 3,750 sh | Sep 18, 2026 | Sep 22, 2026 traded Sep 18, 2026 | +4d | SEC Form 4 | |
| 13 | GPGerber Hans-PeterCHIEF SCIENTIFIC OFFICER | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $21K 1,345 sh | Sep 18, 2026 | Sep 22, 2026 traded Sep 18, 2026 | +4d | SEC Form 4 | |
| 9 | | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 10.0K sh | Jun 5, 2026 | Jun 9, 2026 traded Jun 5, 2026 | +4d | SEC Form 4 | |
| 9 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 788 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 9 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 788 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 9 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $6,009 282 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 13 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 675 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 9 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $5,903 277 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 9 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 675 sh | Mar 4, 2026 | Mar 6, 2026 traded Mar 4, 2026 | +2d | SEC Form 4 | |
| 13 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 500 sh | Mar 1, 2026 | Mar 3, 2026 traded Mar 1, 2026 | +2d | SEC Form 4 | |
| 17 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 2,356 sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 9 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 500 sh | Mar 1, 2026 | Mar 3, 2026 traded Mar 1, 2026 | +2d | SEC Form 4 | |
| 13 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 842 sh | Mar 1, 2026 | Mar 3, 2026 traded Mar 1, 2026 | +2d | SEC Form 4 | |
| 9 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 4,200 sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 13 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $11K 551 sh | Mar 1, 2026 | Mar 3, 2026 traded Mar 1, 2026 | +2d | SEC Form 4 | |
| 9 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 33.6K sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 21 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 842 sh | Mar 1, 2026 | Mar 3, 2026 traded Mar 1, 2026 | +2d | SEC Form 4 | |
| 13 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $20K 970 sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 17 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 2,356 sh | Mar 2, 2026 | Mar 3, 2026 traded Mar 2, 2026 | +1d | SEC Form 4 | |
| 15 | | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 8,200 sh | Dec 23, 2025 | Dec 29, 2025 traded Dec 23, 2025 | +6d | SEC Form 4 | |
| 15 | GPGerber Hans-PeterCHIEF SCIENTIFIC OFFICER | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 7,925 sh | Dec 23, 2025 | Dec 29, 2025 traded Dec 23, 2025 | +6d | SEC Form 4 | |
| 15 | PDPauling DavidChief Admin. Ofcr. & GC | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 7,200 sh | Dec 23, 2025 | Dec 29, 2025 traded Dec 23, 2025 | +6d | SEC Form 4 | |
| 15 | | STROSUTRO BIOPHARMA, INC. Grant or award | A | — 1,500 sh | Dec 23, 2025 | Dec 29, 2025 traded Dec 23, 2025 | +6d | SEC Form 4 | |
| 21 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 2,500 sh | Dec 12, 2025 | Dec 16, 2025 traded Dec 12, 2025 | +4d | SEC Form 4 | |
| 13 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Tax withholding | F | $7,165 894 sh | Dec 12, 2025 | Dec 16, 2025 traded Dec 12, 2025 | +4d | SEC Form 4 | |
| 17 | CJChung JaneDirector, Chief Executive Officer | STROSUTRO BIOPHARMA, INC. Option exercise | M | — 2,500 sh | Dec 12, 2025 | Dec 16, 2025 traded Dec 12, 2025 | +4d | SEC Form 4 | |
Chief Admin. Ofcr. & GC · Dec 29, 2025
Chung JaneDirector, Chief Executive Officer · Dec 16, 2025 Planned sales and 5% stakes
Form 144, 13D and 13G