DAWN's three largest insider shareholders as of March 23, 2026 are Xi L.P. Canaan (TenPercentOwner, 6.96Mn shares), Pharmaceutical Co Ltd Takeda (TenPercentOwner, 6.12Mn shares), Venture Fund Xi, L.P. Atlas (TenPercentOwner, 6.01Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Xi L.P. Canaan | 6,964,301 | 0 | 22 Sep, 2022 | |
| Pharmaceutical Co Ltd Takeda | 0 | 6,120,124 | 09 Dec, 2021 | |
| Venture Fund Xi, L.P. Atlas | 6,008,534 | 0 | 14 Dec, 2022 | |
| Samuel C. Blackman | Head Of Rd | 1,034,015 | 0 | 12 Dec, 2024 |
| Samuel C. Blackman | Chief Medical Officer | 0 | 1,000,000 | 03 Dec, 2021 |
| Venture Opportunity Fund I, L.P. Atlas | 793,116 | 0 | 06 Jul, 2022 | |
| Venture Opportunity Fund Ii, L.P. Atlas | 766,667 | 0 | 22 Jun, 2022 | |
| Michael Gladstone | 0 | 766,667 | 22 Jun, 2022 | |
| Julie Papanek Grant | 0 | 330,000 | 03 Mar, 2023 | |
| Charles N Ii York | Coo And Cfo | 312,025 | 0 | 18 Feb, 2026 |
| Jeremy Bender | Chief Executive Officer | 204,603 | 0 | 18 Feb, 2026 |
| Adam Dubow | Gen Counsel Secretary | 72,694 | 0 | 18 Feb, 2026 |
| John A. Josey | 72,292 | 0 | 01 Jun, 2021 | |
| Lauren Merendino | Chief Commercial Officer | 60,157 | 0 | 18 Feb, 2026 |
| Saira Ramasastry | 40,485 | 0 | 21 Jun, 2024 | |
| Daniel J. Becker | 5,000 | 0 | 01 Jun, 2021 | |
| Michael Vasconcelles | Head Of Research And Dev. | 4,397 | 0 | 18 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Feb, 2026 | Charles N Ii York | Common Stock | A | 2,250 | - | 296,965 | D | M |
| 15 Feb, 2026 | Lauren Merendino | Common Stock | A | 3,162 | - | 53,971 | D | M |
| 15 Feb, 2026 | Adam Dubow | Common Stock | A | 2,963 | - | 65,589 | D | M |
| 15 Feb, 2026 | Michael Vasconcelles | Common Stock | A | 7,125 | - | 7,125 | D | M |
| 15 Feb, 2026 | Jeremy Bender | Common Stock | A | 4,750 | - | 181,915 | D | M |
| 15 Feb, 2026 | Adam Dubow | Common Stock | A | 1,750 | - | 67,339 | D | M |
| 15 Feb, 2026 | Jeremy Bender | Common Stock | A | 11,688 | - | 193,603 | D | M |
| 15 Feb, 2026 | Lauren Merendino | Common Stock | A | 3,688 | - | 57,659 | D | M |
| 17 Feb, 2026 | Michael Vasconcelles | Common Stock | D | 2,728 | $11.60 | 4,397 | D | S |
| 15 Feb, 2026 | Charles N Ii York | Common Stock | A | 6,625 | - | 303,590 | D | M |
| 15 Feb, 2026 | Michael Vasconcelles | Restricted Stock Unit (RSU) | D | 7,125 | $0.00 | 106,875 | D | M |
| 15 Feb, 2026 | Jeremy Bender | Common Stock | A | 11,687 | - | 205,290 | D | M |
| 15 Feb, 2026 | Charles N Ii York | Common Stock | A | 6,625 | - | 310,215 | D | M |
| 15 Feb, 2026 | Adam Dubow | Common Stock | A | 3,688 | - | 71,027 | D | M |
| 15 Feb, 2026 | Lauren Merendino | Common Stock | A | 3,687 | - | 61,346 | D | M |
| 15 Feb, 2026 | Jeremy Bender | Common Stock | A | 14,812 | - | 220,102 | D | M |
| 15 Feb, 2026 | Charles N Ii York | Common Stock | A | 7,875 | - | 318,090 | D | M |
| 15 Feb, 2026 | Lauren Merendino | Common Stock | A | 4,625 | - | 65,971 | D | M |
| 15 Feb, 2026 | Adam Dubow | Common Stock | A | 3,687 | - | 74,714 | D | M |
| 15 Feb, 2026 | Adam Dubow | Common Stock | A | 4,375 | - | 79,089 | D | M |