As of April 28, 2026, the three largest insider holders of TERN are Opportunity, Llc Vivo (TenPercentOwner, 6.24Mn shares), Hongbo Lu (Director, 4.34Mn shares), Opportunity, Llc Vivo (TenPercentOwner, 2.98Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Opportunity, Llc Vivo | - | 0 | 6,237,329 | 03 Apr, 2024 |
| Hongbo Lu | - | 0 | 4,340,212 | 23 Dec, 2022 |
| Opportunity, Llc Vivo | - | 0 | 2,981,592 | 16 Aug, 2022 |
| Advisors Llc Orbimed | - | 0 | 755,635 | 17 Jul, 2024 |
| Carl L Gordon | - | 0 | 755,635 | 17 Jul, 2024 |
| Biosciences Fund V, L.P. Lav | - | 0 | 529,762 | 28 Nov, 2022 |
| Hongbo Lu | - | 0 | 476,190 | 17 Sep, 2024 |
| Amy L. Burroughs | Chief Executive Officer | 288,976 | 0 | 17 Mar, 2026 |
| Emil Kuriakose | Chief Medical Officer | 105,673 | 0 | 02 Apr, 2026 |
| Andrew Gengos | Chief Financial Officer | 101,788 | 0 | 16 Jan, 2026 |
| Seokho Bryan Yoon | Coo And General Counsel | 91,940 | 0 | 04 Jun, 2024 |
| Erin Quirk | President, Head Of Rd | 75,000 | 0 | 25 Jan, 2024 |
| Mark J. Vignola | Chief Financial Officer | 74,752 | 0 | 06 Jan, 2025 |
| Senthil Vel Sundaram | Chief Executive Officer | 9,770 | 0 | 02 Jun, 2023 |
| Melita Sun Jung | Chief Business Officer | 2,250 | 0 | 03 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Emil Kuriakose | Common Stock | D | 942 | $52.75 | 105,673 | D | S |
| 16 Mar, 2026 | Amy L. Burroughs | Common Stock | A | 14,583 | $4.64 | 303,559 | D | M |
| 16 Mar, 2026 | Amy L. Burroughs | Common Stock | D | 11,813 | $46.57 | 291,746 | D | S |
| 16 Mar, 2026 | Amy L. Burroughs | Common Stock | D | 2,770 | $47.30 | 288,976 | D | S |
| 16 Mar, 2026 | Amy L. Burroughs | Stock Option (Right to Buy) | D | 14,583 | $0.00 | 955,534 | D | M |
| 17 Feb, 2026 | Amy L. Burroughs | Common Stock | A | 14,583 | $4.64 | 303,559 | D | M |
| 17 Feb, 2026 | Amy L. Burroughs | Common Stock | D | 2,341 | $38.07 | 301,218 | D | S |
| 17 Feb, 2026 | Amy L. Burroughs | Common Stock | D | 8,159 | $39.22 | 293,059 | D | S |
| 17 Feb, 2026 | Amy L. Burroughs | Common Stock | D | 4,083 | $39.80 | 288,976 | D | S |
| 17 Feb, 2026 | Amy L. Burroughs | Stock Option (Right to Buy) | D | 14,583 | $0.00 | 970,117 | D | M |
| 01 Feb, 2026 | David A Fellows | Stock Option (Right to Buy) | A | 2,828 | $0.00 | 2,828 | D | A |
| 01 Feb, 2026 | Jeffrey B Kindler | Stock Option (Right to Buy) | A | 1,697 | $0.00 | 1,697 | D | A |
| 01 Feb, 2026 | Jill M. Quigley | Stock Option (Right to Buy) | A | 1,697 | $0.00 | 1,697 | D | A |
| 01 Feb, 2026 | Heather D Turner | Stock Option (Right to Buy) | A | 1,697 | $0.00 | 1,697 | D | A |
| 01 Feb, 2026 | Radhika Tripuraneni | Stock Option (Right to Buy) | A | 1,697 | $0.00 | 1,697 | D | A |
| 01 Feb, 2026 | Robert Azelby | Stock Option (Right to Buy) | A | 1,697 | $0.00 | 1,697 | D | A |
| 14 Jan, 2026 | Amy L. Burroughs | Common Stock | A | 150,000 | $0.00 | 288,976 | D | A |
| 14 Jan, 2026 | Emil Kuriakose | Common Stock | A | 56,250 | $0.00 | 106,615 | D | A |
| 14 Jan, 2026 | Andrew Gengos | Common Stock | A | 68,750 | $0.00 | 101,788 | D | A |
| 14 Jan, 2026 | Emil Kuriakose | Stock Option (Right to Buy) | A | 112,500 | $0.00 | 112,500 | D | A |