IART's three largest insider shareholders as of April 22, 2026 are St Partnership, L.P. Tru (TenPercentOwner, 8.82Mn shares), Stuart Essig (Exec. Chairman Of The Board, 1.15Mn shares), Peter J Arduini (President Ceo, 216.71K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| St Partnership, L.P. Tru | - | 8,815,930 | 0 | 19 Nov, 2021 |
| Stuart Essig | Exec. Chairman Of The Board | 1,152,236 | 0 | 18 Aug, 2025 |
| Peter J Arduini | President Ceo | 216,713 | 0 | 07 Sep, 2021 |
| Stuart Essig | - | 0 | 200,000 | 18 Aug, 2025 |
| Barbara B Hill | - | 126,853 | 0 | 13 May, 2025 |
| Christian S Schade | - | 90,034 | 0 | 13 May, 2025 |
| Keith Bradley | - | 89,136 | 0 | 13 May, 2025 |
| Robert T. Jr. Davis | Evp President, Tt | 66,387 | 0 | 12 Mar, 2026 |
| Michael J. Mcbreen | Evp President, Css | 60,743 | 0 | 12 Mar, 2026 |
| Carrie L Anderson | Executive Vice President Cfo | 57,811 | 0 | 05 Jul, 2022 |
| Eric Schwartz | Evp, Chief Legal Officer Sec | 56,020 | 0 | 13 Mar, 2025 |
| Donald E Jr Morel | - | 55,753 | 0 | 17 May, 2022 |
| Raymond G. Murphy | - | 54,007 | 0 | 13 May, 2024 |
| Lea Daniels Knight | Evp Chief Financial Officer | 50,489 | 0 | 12 Mar, 2026 |
| Shaundra Clay | - | 41,515 | 0 | 13 May, 2025 |
| Jeffrey A Graves | - | 41,086 | 0 | 06 Nov, 2025 |
| Barbara B Hill | - | 0 | 36,350 | 22 May, 2024 |
| Renee Wonlai Lo | - | 35,743 | 0 | 13 May, 2025 |
| Jeffrey Mosebrook | Svp, Fin Princ Acct Officer | 35,453 | 0 | 12 Mar, 2026 |
| Harvinder Singh | Evp President, International | 35,422 | 0 | 12 Mar, 2026 |
| Glenn Coleman | Executive Vice President Coo | 34,622 | 0 | 05 Jul, 2022 |
| Witte Jan De | President Ceo | 23,902 | 0 | 04 Nov, 2024 |
| Chantal Veillon-Berteloot | Evp Chro | 22,227 | 0 | 12 Mar, 2026 |
| Lisa Evoli | Evp Chro | 18,446 | 0 | 14 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 |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | Harvinder Singh | Common Stock | A | 1,216 | $0.00 | 23,152 | D | M |
| 10 Mar, 2026 | Michael J. Mcbreen | Common Stock | D | 2,354 | $9.55 | 67,990 | D | F |
| 11 Mar, 2026 | Chantal Veillon-Berteloot | Common Stock | D | 5,420 | $9.61 | 22,227 | D | F |
| 10 Mar, 2026 | Robert T. Jr. Davis | Common Stock | D | 687 | $9.55 | 74,874 | D | F |
| 11 Mar, 2026 | Michael Damon Hutchinson | Restricted Stock Units | A | 70,305 | $0.00 | 159,911 | D | A |
| 11 Mar, 2026 | Lea Daniels Knight | Common Stock | D | 8,089 | $9.61 | 50,489 | D | F |
| 10 Mar, 2026 | Jeffrey Mosebrook | Common Stock | D | 341 | $9.55 | 36,259 | D | F |
| 11 Mar, 2026 | Mojdeh Poul | Restricted Stock Units | A | 343,393 | $0.00 | 445,691 | D | A |
| 11 Mar, 2026 | Michael J. Mcbreen | Common Stock | D | 7,247 | $9.61 | 60,743 | D | F |
| 11 Mar, 2026 | Chantal Veillon-Berteloot | Restricted Stock Units | A | 41,783 | $0.00 | 41,783 | D | A |
| 11 Mar, 2026 | Robert T. Jr. Davis | Common Stock | D | 8,487 | $9.61 | 66,387 | D | F |
| 11 Mar, 2026 | Jeffrey Mosebrook | Common Stock | D | 806 | $9.61 | 35,453 | D | F |
| 10 Mar, 2026 | Harvinder Singh | Common Stock | D | 601 | $9.55 | 22,551 | D | F |
| 11 Mar, 2026 | Lea Daniels Knight | Restricted Stock Units | A | 111,179 | $0.00 | 111,179 | D | A |
| 11 Mar, 2026 | Michael J. Mcbreen | Restricted Stock Units | A | 92,108 | $0.00 | 92,108 | D | A |
| 11 Mar, 2026 | Harvinder Singh | Common Stock | D | 861 | $9.61 | 21,690 | D | F |
| 11 Mar, 2026 | Jeffrey Mosebrook | Restricted Stock Units | A | 15,957 | $0.00 | 15,957 | D | A |
| 11 Mar, 2026 | Robert T. Jr. Davis | Restricted Stock Units | A | 43,350 | $0.00 | 43,350 | D | A |
| 11 Mar, 2026 | Harvinder Singh | Common Stock | A | 18,922 | $0.00 | 40,612 | D | M |
| 11 Mar, 2026 | Harvinder Singh | Common Stock | D | 5,190 | $9.61 | 35,422 | D | F |