ARS Pharmaceuticals's three largest insider shareholders as of April 17, 2026 are James E Flynn (TenPercentOwner, 9.77Mn shares), Sarina Tanimoto (Chief Medical Officer, 7.76Mn shares), Richard E Lowenthal (President And Ceo, 7.76Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| James E Flynn | - | 0 | 9,774,508 | 01 Jul, 2025 |
| Sarina Tanimoto | Chief Medical Officer | 3,433,512 | 4,327,189 | 09 Dec, 2024 |
| Richard E Lowenthal | President And Ceo | 4,327,189 | 3,433,512 | 09 Dec, 2024 |
| Richard E Lowenthal | President And Ceo | 0 | 6,099,704 | 10 Nov, 2022 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 6,099,704 | 10 Nov, 2022 |
| Pratik Shah | - | 0 | 4,474,554 | 14 Nov, 2025 |
| Rajeev Dadoo | - | 0 | 3,009,677 | 10 Nov, 2022 |
| Richard E Lowenthal | President And Ceo | 0 | 2,395,946 | 19 Dec, 2024 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 1,772,750 | 28 Feb, 2024 |
| Richard E Lowenthal | President And Ceo | 0 | 1,772,750 | 28 Feb, 2024 |
| Richard E Lowenthal | President And Ceo | 0 | 1,642,193 | 16 May, 2024 |
| Richard E Lowenthal | President And Ceo | 0 | 1,346,494 | 10 Oct, 2024 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 1,296,494 | 14 Nov, 2024 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 1,247,447 | 21 Aug, 2025 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 1,246,494 | 11 Dec, 2024 |
| Richard E Lowenthal | President And Ceo | 0 | 1,196,494 | 22 Aug, 2025 |
| Sarina Tanimoto | Chief Medical Officer | 0 | 1,098,499 | 19 Dec, 2024 |
| Laura Shawver | Chief Executive Officer | 254,242 | 0 | 09 Aug, 2022 |
| Alexander A Fitzpatrick | Chief Legal Officer | 89,613 | 0 | 22 May, 2025 |
| Michael Kelly | - | 0 | 83,225 | 10 Nov, 2022 |
| Jonathan Piazza | Chief Financial Officer | 69,225 | 0 | 04 May, 2022 |
| Valerie Odegard | President And Cso | 61,639 | 0 | 04 May, 2022 |
| Naomi Hunder | Chief Medical Officer | 54,427 | 0 | 04 May, 2022 |
| Russ Hawkinson | Sr. Vice President Of Finance | 37,251 | 0 | 04 May, 2022 |
| Brian Dorsey | Chief Operating Officer | 10,789 | 0 | 14 Nov, 2025 |
| Eric Karas | Chief Commercial Officer | 10,315 | 0 | 03 Jul, 2025 |
| Kathleen D. Scott | Chief Financial Officer | 10,042 | 0 | 22 Aug, 2025 |
| Kathleen D. Scott | Chief Financial Officer | 0 | 8,250 | 01 Dec, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | Justin Chakma | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Eric Karas | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Sarina Tanimoto | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Richard E Lowenthal | Stock option (right to buy) | A | 875,000 | $0.00 | 875,000 | D | A |
| 02 Jan, 2026 | Alexander A Fitzpatrick | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Kathleen D. Scott | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Brian Dorsey | Stock option (right to buy) | A | 240,000 | $0.00 | 240,000 | D | A |
| 02 Jan, 2026 | Richard E Lowenthal | Stock Option (right to buy) | A | 240,000 | $0.00 | 240,000 | I | A |
| 02 Jan, 2026 | Sarina Tanimoto | Stock Option (right to buy) | A | 875,000 | $0.00 | 875,000 | I | A |
| 12 Nov, 2025 | Pratik Shah | Common Stock | D | 250,000 | $0.00 | 4,574,554 | I | G |
| 12 Nov, 2025 | Justin Chakma | Common Stock | A | 30,000 | $0.84 | 166,380 | D | M |
| 13 Nov, 2025 | Brian Dorsey | Common Stock | A | 21,828 | $0.64 | 32,617 | D | M |
| 12 Nov, 2025 | Pratik Shah | Common Stock | D | 100,000 | $0.00 | 4,474,554 | I | G |
| 12 Nov, 2025 | Justin Chakma | Common Stock | D | 30,000 | $8.91 | 136,380 | D | S |
| 13 Nov, 2025 | Brian Dorsey | Common Stock | D | 21,828 | $8.71 | 10,789 | D | S |
| 12 Nov, 2025 | Justin Chakma | Common Stock | D | 136,380 | $8.86 | 0 | D | S |
| 13 Nov, 2025 | Brian Dorsey | Stock Option (Right to Buy) | D | 21,828 | $0.00 | 0 | D | M |
| 12 Nov, 2025 | Justin Chakma | Stock Option (Right to Buy) | D | 30,000 | $0.00 | 89,047 | D | M |
| 21 Aug, 2025 | Kathleen D. Scott | Common Stock | A | 12,500 | $1.50 | 22,542 | D | M |
| 21 Aug, 2025 | Richard E Lowenthal | Common Stock | D | 50,000 | $14.49 | 1,196,494 | I | S |