As of June 09, 2026, the three largest insider holders of EWTX are Advisors Llc Orbimed (Director, 13.98Mn shares), Peter A. Thompson (Director, 13.98Mn shares), Holdings A/S Novo (TenPercentOwner, 6.07Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Advisors Llc Orbimed | - | 0 | 13,981,952 | 16 Sep, 2022 |
| Kevin Koch | President And Ceo | 30,615 | 0 | 14 Aug, 2025 |
| John R Moore | General Counsel | 10,214 | 0 | 14 Aug, 2025 |
| Peter A. Thompson | - | 0 | 13,981,952 | 16 Sep, 2022 |
| Holdings A/S Novo | - | 6,071,703 | 0 | 16 Sep, 2022 |
| Joanne M. Donovan | Cmo | 9,597 | 0 | 01 Apr, 2026 |
| R Michael Carruthers | Chief Financial Officer | 86,162 | 0 | 14 Aug, 2025 |
| Jonathan C Fox | - | 24,514 | 0 | 03 Apr, 2026 |
| Marc Semigran | Chief Development Officer | 6,716 | 0 | 27 Dec, 2024 |
| Behrad Derakhshan | Chief Business Officer | 23,645 | 0 | 14 Aug, 2025 |
| Alan J Russell | Chief Scientific Officer | 23,400 | 0 | 13 Nov, 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 | Jonathan C Fox | Common Stock | A | 339 | $0.00 | 24,514 | D | A |
| 01 Apr, 2026 | Joanne M. Donovan | Common Stock | A | 28,662 | $7.08 | 38,259 | D | M |
| 01 Apr, 2026 | Joanne M. Donovan | Common Stock | D | 28,662 | $32.31 | 9,597 | D | S |
| 01 Apr, 2026 | Joanne M. Donovan | Stock Option (Right to Buy) | D | 28,662 | $0.00 | 125,000 | D | M |
| 31 Mar, 2026 | Joanne M. Donovan | Common Stock | A | 21,338 | $7.08 | 30,935 | D | M |
| 31 Mar, 2026 | Joanne M. Donovan | Common Stock | D | 21,338 | $32.12 | 9,597 | D | S |
| 31 Mar, 2026 | Joanne M. Donovan | Stock Option (Right to Buy) | D | 21,338 | $0.00 | 153,662 | D | M |
| 27 Mar, 2026 | Joanne M. Donovan | Common Stock | D | 9,623 | $30.98 | 16,332 | D | S |
| 27 Mar, 2026 | Joanne M. Donovan | Common Stock | D | 6,735 | $30.98 | 9,597 | D | S |
| 02 Jan, 2026 | Jonathan C Fox | Common Stock | A | 473 | $0.00 | 24,175 | D | A |
| 19 Nov, 2025 | Christopher Nathan Martin | Stock Options (Right to buy) | A | 45,150 | $0.00 | 45,150 | D | A |
| 11 Nov, 2025 | Jonathan C Fox | Common Stock | A | 10,700 | $18.64 | 23,702 | D | P |
| 12 Nov, 2025 | Alan J Russell | Common Stock | A | 100,000 | $0.18 | 123,400 | D | M |
| 10 Nov, 2025 | Michael Nofi | Restricted Stock Units | A | 43,750 | $0.00 | 43,750 | D | A |
| 12 Nov, 2025 | Alan J Russell | Common Stock | A | 100,000 | $0.18 | 123,400 | D | M |
| 12 Nov, 2025 | Alan J Russell | Common Stock | D | 100,000 | $21.12 | 23,400 | D | S |
| 12 Nov, 2025 | Alan J Russell | Common Stock | D | 100,000 | $21.12 | 23,400 | D | S |
| 10 Nov, 2025 | Michael Nofi | Stock Options (Right to buy) | A | 262,500 | $0.00 | 262,500 | D | A |
| 12 Nov, 2025 | Alan J Russell | Stock Option (Right to Buy) | D | 100,000 | $0.00 | 1,147,365 | D | M |
| 12 Nov, 2025 | Alan J Russell | Stock Option (Right to Buy) | D | 100,000 | $0.00 | 1,147,365 | D | M |