As of May 29, 2026, the three largest insider holders of ARDT are Martin Bonick (President And Ceo, 1.44Mn shares), Stephen C. Petrovich (Evp, Gc And Secretary, 774.71K shares), Alfred Lumsdaine (Chief Financial Officer, 319.18K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| William M Goodyear | - | 115,367 | 0 | 02 Apr, 2026 |
| Alfred Lumsdaine | Chief Financial Officer | 319,183 | 0 | 02 Apr, 2026 |
| Ellen Havdala | - | 115,367 | 0 | 02 Apr, 2026 |
| Mark R Sotir | - | 38,709 | 0 | 02 Apr, 2026 |
| Martin Bonick | President And Ceo | 1,437,937 | 0 | 02 Apr, 2026 |
| Peter J. Bulgarelli | - | 14,231 | 0 | 02 Apr, 2026 |
| Stephen C. Petrovich | Evp, Gc And Secretary | 774,707 | 0 | 02 Apr, 2026 |
| Robert Demichiei | - | 24,304 | 0 | 02 Apr, 2026 |
| Robert Thomas Webb | - | 78,215 | 0 | 02 Apr, 2026 |
| Dave Caspers | Chief Operating Officer | 71,277 | 0 | 02 Apr, 2026 |
| David Raynor Byers | Svp Chief Accounting Officer | 130,445 | 0 | 02 Apr, 2026 |
| Suzanne Campion | - | 58,215 | 0 | 02 Apr, 2026 |
| Ethan Chernin | President Of Health Services | 68,396 | 0 | 13 Mar, 2026 |
| Edmondo Robinson | - | 58,215 | 0 | 02 Apr, 2026 |
| David Schultz | President Hospital Operations | 64,172 | 0 | 02 Apr, 2025 |
| Rahul Sen | - | 38,709 | 0 | 02 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Mark R Sotir | Common Stock | A | 14,231 | $0.00 | 38,709 | D | A |
| 01 Apr, 2026 | Peter J. Bulgarelli | Common Stock | A | 14,231 | $0.00 | 14,231 | D | A |
| 01 Apr, 2026 | Edmondo Robinson | Common Stock | A | 14,231 | $0.00 | 58,215 | D | A |
| 01 Apr, 2026 | Robert Demichiei | Common Stock | A | 14,231 | $0.00 | 24,304 | D | A |
| 01 Apr, 2026 | Dave Caspers | Common Stock | D | 2,684 | $8.67 | 35,604 | D | F |
| 01 Apr, 2026 | Ellen Havdala | Common Stock | A | 14,231 | $0.00 | 115,367 | D | A |
| 31 Mar, 2026 | Stephen C. Petrovich | Common Stock | D | 1,425 | $8.56 | 751,611 | D | F |
| 31 Mar, 2026 | David Raynor Byers | Common Stock | D | 819 | $8.56 | 119,831 | D | F |
| 31 Mar, 2026 | Martin Bonick | Common Stock | D | 8,026 | $8.56 | 1,314,274 | D | F |
| 01 Apr, 2026 | Ellen Havdala | Common Stock | A | 14,231 | $0.00 | 115,367 | D | A |
| 01 Apr, 2026 | Rahul Sen | Common Stock | A | 14,231 | $0.00 | 38,709 | D | A |
| 01 Apr, 2026 | Robert Thomas Webb | Common Stock | A | 14,231 | $0.00 | 78,215 | D | A |
| 01 Apr, 2026 | Suzanne Campion | Common Stock | A | 14,231 | $0.00 | 58,215 | D | A |
| 01 Apr, 2026 | William M Goodyear | Common Stock | A | 14,231 | $0.00 | 115,367 | D | A |
| 31 Mar, 2026 | David Raynor Byers | Common Stock | D | 819 | $8.56 | 119,831 | D | F |
| 31 Mar, 2026 | Stephen C. Petrovich | Common Stock | D | 1,425 | $8.56 | 751,611 | D | F |
| 01 Apr, 2026 | Mark R Sotir | Common Stock | A | 14,231 | $0.00 | 38,709 | D | A |
| 31 Mar, 2026 | Alfred Lumsdaine | Common Stock | D | 2,510 | $8.56 | 269,718 | D | F |
| 01 Apr, 2026 | Edmondo Robinson | Common Stock | A | 14,231 | $0.00 | 58,215 | D | A |
| 01 Apr, 2026 | Robert Thomas Webb | Common Stock | A | 14,231 | $0.00 | 78,215 | D | A |