Plus Therapeutics's three largest insider shareholders as of May 14, 2026 are Marc H Hedrick (Chief Executive Officer, 701.10K shares), Andrew John Hugh Macintyre Sims (Chief Financial Officer, 173.91K shares), Andrew John Hugh Macintyre Sims (Chief Financial Officer, 173.91K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Marc H Hedrick | Chief Executive Officer | 701,100 | 0 | 01 Apr, 2026 |
| Andrew John Hugh Macintyre Sims | Chief Financial Officer | 173,913 | 0 | 01 Apr, 2026 |
| Andrew John Hugh Macintyre Sims | Chief Financial Officer | 173,913 | 0 | 01 Apr, 2026 |
| Robert P Lenk | - | 139,327 | 0 | 25 Aug, 2025 |
| Greg Petersen | - | 48,921 | 0 | 13 Sep, 2024 |
| Greg Petersen | - | 48,921 | 0 | 13 Sep, 2024 |
| Howard Clowes | - | 26,497 | 0 | 13 Sep, 2024 |
| Richard J Hawkins | - | 15,188 | 0 | 17 Sep, 2024 |
| Richard J Hawkins | - | 1 | 0 | 06 Mar, 2023 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 20 Apr, 2026 | Eric Joseph Daniels | Restricted Stock Units | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Restricted Stock Units | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Restricted Stock Units | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Restricted Stock Units | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Restricted Stock Units | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Stock Option (Right to Buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Stock Option (Right to Buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Stock Option (Right to Buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Stock Option (Right to Buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 20 Apr, 2026 | Eric Joseph Daniels | Stock Option (Right to Buy) | A | 20,000 | $0.00 | 20,000 | D | A |
| 01 Apr, 2026 | Marc H Hedrick | Common Stock | A | 159,681 | $0.00 | 499,468 | D | M |
| 01 Apr, 2026 | Andrew John Hugh Macintyre Sims | Common Stock | A | 38,323 | $0.00 | 144,784 | D | M |
| 01 Apr, 2026 | Andrew John Hugh Macintyre Sims | Common Stock | A | 29,129 | $0.00 | 173,913 | D | M |
| 01 Apr, 2026 | Marc H Hedrick | Common Stock | D | 201,632 | $0.00 | 701,100 | D | M |
| 01 Apr, 2026 | Andrew John Hugh Macintyre Sims | Restricted Stock Units | D | 38,323 | $0.00 | 694,451 | D | M |
| 01 Apr, 2026 | Marc H Hedrick | Restricted Stock Units | D | 159,681 | $0.00 | 3,856,707 | D | M |
| 01 Apr, 2026 | Andrew John Hugh Macintyre Sims | Restricted Stock Units | D | 29,129 | $0.00 | 665,322 | D | M |
| 01 Apr, 2026 | Marc H Hedrick | Restricted Stock Units | D | 201,632 | $0.00 | 3,655,075 | D | M |
| 25 Feb, 2026 | Marc H Hedrick | Restricted Stock Units | A | 2,419,582 | $0.00 | 4,016,388 | D | A |
| 25 Feb, 2026 | Andrew John Hugh Macintyre Sims | Restricted Stock Units | A | 349,542 | $0.00 | 732,774 | D | A |