Insider Trades
Common-stock transactions that officers, directors and 10% owners of healthcare companies report to the SEC on Form 4, from 2006 to today, newest first.
Insider filings are public records and are not a recommendation.
Results
25+ transactions, newest first
| Date | Insider | Relationship | Company | Transaction | Shares | Price | Value | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Shah Rajeev M.; RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund, L.P.; Kolchinsky Peter | Director, 10% owner | 89bio, Inc. | OtherD · Sale or transfer back to the company | 335,364 | Not reported | No price reported | 0Indirect, See Footnotes | Form 4 filed 3 Nov 2025, on sec.gov (opens in a new tab)Filed 3 Nov 2025 | |
| Shah Rajeev M.; RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund, L.P.; Kolchinsky Peter | Director, 10% owner | 89bio, Inc. | OtherD · Sale or transfer back to the company | 19,554,319 | Not reported | No price reported | 0Indirect, See Footnotes | Form 4 filed 3 Nov 2025, on sec.gov (opens in a new tab)Filed 3 Nov 2025 | |
| Martins Ryan | Chief Financial Officer | 89bio, Inc. | OtherU · Shares tendered in a change of control | 374,295 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Martins Ryan | Chief Financial Officer | 89bio, Inc. | OtherA · Grant or award from the company | 35,000 | $0.00 | $0 | 374,295Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Mansbach Harry H | Chief Medical Officer | 89bio, Inc. | OtherU · Shares tendered in a change of control | 352,656 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Mansbach Harry H | Chief Medical Officer | 89bio, Inc. | OtherA · Grant or award from the company | 50,000 | $0.00 | $0 | 352,656Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Le-Nguyen Quoc | See Remarks | 89bio, Inc. | OtherU · Shares tendered in a change of control | 13,694 | Not reported | No price reported | 0Indirect | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Le-Nguyen Quoc | See Remarks | 89bio, Inc. | OtherU · Shares tendered in a change of control | 351,684 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Le-Nguyen Quoc | See Remarks | 89bio, Inc. | OtherA · Grant or award from the company | 50,000 | $0.00 | $0 | 351,684Direct, By Spouse | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| McWherter Charles | Director | 89bio, Inc. | OtherU · Shares tendered in a change of control | 25,000 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Sarena Francis Willard | Chief Operating Officer | 89bio, Inc. | OtherU · Shares tendered in a change of control | 75,310 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| PALEKAR ROHAN | Director, Chief Executive Officer | 89bio, Inc. | OtherU · Shares tendered in a change of control | 934,273 | Not reported | No price reported | 0Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| PALEKAR ROHAN | Director, Chief Executive Officer | 89bio, Inc. | OtherA · Grant or award from the company | 125,000 | $0.00 | $0 | 934,273Direct | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Hayden Michael R | Director | 89bio, Inc. | OtherU · Shares tendered in a change of control | 61,538 | Not reported | No price reported | 0Indirect | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Hayden Michael R | Director | 89bio, Inc. | OtherU · Shares tendered in a change of control | 103,978 | Not reported | No price reported | 0Indirect, See footnote | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Hayden Michael R | Director | 89bio, Inc. | OtherU · Shares tendered in a change of control | 80,904 | Not reported | No price reported | 0Direct, See footnote | Form 4 filed 30 Oct 2025, on sec.gov (opens in a new tab)Filed 30 Oct 2025 | |
| Martins Ryan | Chief Financial Officer | 89bio, Inc. | OtherM · Option or derivative exercised or converted | 3,898 | $4.44 | $17,307.12 | 339,295Direct | Form 4 filed 23 Oct 2025, on sec.gov (opens in a new tab)Filed 23 Oct 2025 | |
| Martins Ryan | Chief Financial Officer | 89bio, Inc. | OtherM · Option or derivative exercised or converted | 76,901 | $3.11 | $239,162.11 | 335,397Direct | Form 4 filed 23 Oct 2025, on sec.gov (opens in a new tab)Filed 23 Oct 2025 | |
| Sarena Francis Willard | Chief Operating Officer | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 2,979 | $9.69 | $28,866.51 | 74,231Direct | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| Sarena Francis Willard | Chief Operating Officer | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 3,206 | $9.16 | $29,366.96 | 77,210Direct | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| Mansbach Harry H | Chief Medical Officer | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 7,680 | $9.16 | $70,348.80 | 302,656Direct | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| PALEKAR ROHAN | Director, Chief Executive Officer | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 55,836 | $9.16 | $511,457.76 | 808,070Direct | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| Martins Ryan | Chief Financial Officer | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 7,680 | $9.16 | $70,348.80 | 253,496Direct | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| Le-Nguyen Quoc | See Remarks | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 522 | $9.16 | $4,781.52 | 13,694Indirect | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 | |
| Le-Nguyen Quoc | See Remarks | 89bio, Inc. | OtherF · Shares withheld to pay tax or exercise price | 7,680 | $9.16 | $70,348.80 | 301,684Direct, By Spouse | Form 4 filed 5 Aug 2025, on sec.gov (opens in a new tab)Filed 5 Aug 2025 |
Source: SEC EDGAR Form 4 filings and the SEC Insider Transactions Data Sets (2006 onward). Each row links to its Form 4 filing. Values are shares times the reported price. Nothing here is investment advice.