89bio, Inc. - 282559103
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Nov 03, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 4,331,081.0 | 0.0 | 0.0 | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 335,364.0 | — | — | 0.0 | View | |
| Nov 03, 2025 | — | D | D | 19,554,319.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 22,730.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 2,933.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,647.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | U | D | 61,538.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | — | U | D | 103,978.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | — | U | D | 80,904.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 300,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 175,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 110,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 48,102.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 57,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | D | D | 47,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | U | D | 374,295.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | Chief Financial Officer | A | A | 35,000.0 | 0.0 | 0.0 | 374,295.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 40,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 848,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 605,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 300,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 220,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 203,750.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 170,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 132,242.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | D | D | 120,231.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | U | D | 934,273.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | Chief Executive Officer | A | A | 125,000.0 | 0.0 | 0.0 | 934,273.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 67,700.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | U | D | 25,000.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 20,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 20,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 17,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 26,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 320,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 195,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 120,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 70,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 67,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 50,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 3,312.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | D | D | 4,063.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | See Remarks | U | D | 13,694.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | See Remarks | U | D | 351,684.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | See Remarks | A | A | 50,000.0 | 0.0 | 0.0 | 351,684.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 67,700.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 56,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 45,150.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 27,400.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 25,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 12,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | — | D | D | 7,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Operating Officer | D | D | 215,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Operating Officer | D | D | 350,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Operating Officer | U | D | 75,310.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 320,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 195,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 120,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 70,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 67,500.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 45,000.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 39,037.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | D | D | 98,204.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | U | D | 352,656.0 | — | — | 0.0 | View | |
| Oct 30, 2025 | Chief Medical Officer | A | A | 50,000.0 | 0.0 | 0.0 | 352,656.0 | View | |
| Oct 23, 2025 | Chief Financial Officer | M | D | 3,898.0 | 0.0 | 0.0 | 48,102.0 | View | |
| Oct 23, 2025 | Chief Financial Officer | M | D | 76,901.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 23, 2025 | Chief Financial Officer | M | A | 3,898.0 | 4.44 | 17,307.12 | 339,295.0 | View | |
| Oct 23, 2025 | Chief Financial Officer | M | A | 76,901.0 | 3.11 | 239,162.11 | 335,397.0 | View |