According to recent filings covering the 90 days ending December 12, 2025, the three most significant insider holders at Milestone Pharmaceuticals are TenPercentOwner Investments, Lp Rtw (3.26Mn shares), President And CEO Joseph Oliveto (347.22K shares), Chief Commercial Officer Lorenz Muller (175.05K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Investments, Lp Rtw | 3,256,102 | 24 Mar, 2023 | |
| Joseph Oliveto | President And CEO | 347,221 | 15 Jul, 2025 |
| Lorenz Muller | Chief Commercial Officer | 150,052 | 11 Dec, 2025 |
| Joseph C Papa | 100,000 | 15 Jul, 2025 | |
| Paul F Truex | 81,780 | 01 Jun, 2022 | |
| Robert James Wills | 65,000 | 15 Jul, 2025 | |
| David Bharucha | Chief Medical Officer | 63,333 | 15 Jul, 2025 |
| Amit Hasija | CFO & EVP Of Corp. Development | 50,000 | 15 Jul, 2025 |
| Debra K. Liebert | 20,793 | 15 Jul, 2025 | |
| Michael John Tomsicek | 15,000 | 21 Oct, 2022 | |
| Richard C Pasternak | 10,000 | 21 Oct, 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Dec, 2025 | Lorenz Muller | Common Shares | D | 25,000 | $0.00 | 150,052 | D | G |
| 11 Jul, 2025 | David Bharucha | Common Shares | A | 53,333 | - | 63,333 | D | A |
| 11 Jul, 2025 | Lorenz Muller | Common Shares | A | 66,666 | - | 175,052 | D | A |
| 11 Jul, 2025 | Joseph Oliveto | Common Shares | A | 66,666 | - | 347,221 | D | A |
| 11 Jul, 2025 | Amit Hasija | - | - | 50,000 | D | |||
| 11 Jul, 2025 | Debra K. Liebert | Common Shares | A | 16,666 | - | 16,793 | D | A |
| 11 Jul, 2025 | Robert James Wills | Common Shares | A | 50,000 | - | 65,000 | D | A |
| 11 Jul, 2025 | Amit Hasija | Common Shares | A | 50,000 | - | 50,000 | D | A |
| 11 Jul, 2025 | Joseph C Papa | Common Shares | A | 100,000 | - | 100,000 | D | A |
| 22 Mar, 2023 | Investments, Lp Rtw | - | - | 3,256,102 | I | |||
| 22 Mar, 2023 | Investments, Lp Rtw | Common Shares, no par value ("Common Shares") | D | 1,059,000 | - | 3,256,102 | I | J |
| 01 Dec, 2022 | David Bharucha | Common Shares | A | 3,000 | $4.86 | 3,000 | D | P |
| 01 Dec, 2022 | David Bharucha | - | - | 3,000 | D | |||
| 05 Dec, 2022 | David Bharucha | - | - | 10,000 | D | |||
| 05 Dec, 2022 | David Bharucha | Common Shares | A | 7,000 | $4.69 | 10,000 | D | P |
| 20 Oct, 2022 | Richard C Pasternak | - | - | 10,000 | D | |||
| 20 Oct, 2022 | Richard C Pasternak | Common Shares | A | 10,000 | $5.20 | 10,000 | D | P |
| 20 Oct, 2022 | Debra K. Liebert | Common Shares | A | 10,000 | $5.29 | 10,000 | I | P |
| 21 Oct, 2022 | Debra K. Liebert | Common Shares | A | 4,000 | $5.26 | 4,000 | I | P |
| 21 Oct, 2022 | Debra K. Liebert | - | - | 4,000 | I |