ETNB Insider Trading Activity and SEC Form 4 Filings
ETNB insider trading summary
No open-market insider purchases or sales of 89bio, Inc. (ETNB) have been reported on SEC Form 4 in the past 12 months.
Latest ETNB insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jul 15, 2025 | Quoc Le-Nguyen | See Remarks | Sell | $115K (10,461 @ $11.02) |
| Apr 15, 2025 | Quoc Le-Nguyen | See Remarks | Sell | $91K (15,329 @ $5.95) |
| Jan 30, 2025 | Peter Kolchinsky | Director | Buy | $50.0M (5,714,285 @ $8.75) |
| Jan 30, 2025 | Ra Capital Management, L.P. | Insider | Buy | $50.0M (5,714,285 @ $8.75) |
| Jan 30, 2025 | RA Capital Nexus Fund, L.P. | Director | Buy | $50.0M (5,714,285 @ $8.75) |
| Jan 30, 2025 | Rajeev M. Shah | Director | Buy | $50.0M (5,714,285 @ $8.75) |
| Jan 30, 2025 | RA Capital Healthcare Fund LP | Director | Buy | $50.0M (5,714,285 @ $8.75) |
| Jan 22, 2025 | Charles McWherter | Insider | Buy | $67K (10,000 @ $6.71) |
| Jan 21, 2025 | Charles McWherter | Insider | Buy | $33K (5,000 @ $6.55) |
| Jan 15, 2025 | Quoc Le-Nguyen | See Remarks | Sell | $71K (10,963 @ $6.49) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.