As of April 22, 2026, the three largest insider holders of CERT are William F Feehery (Chief Executive Officer, 2.36Mn shares), Mason P Slaine (Director, 660.32K shares), Michael Andrew Schemick (Chief Financial Officer, 522.89K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| William F Feehery | Chief Executive Officer | 2,360,769 | 0 | 12 Nov, 2025 |
| Mason P Slaine | - | 660,322 | 0 | 16 Nov, 2022 |
| Michael Andrew Schemick | Chief Financial Officer | 522,895 | 0 | 03 Apr, 2023 |
| James E Iii Cashman | - | 468,440 | 0 | 22 May, 2025 |
| Justin Edge | Pres., Regulatory Access | 394,764 | 0 | 05 Apr, 2022 |
| Robert Aspbury | President, Predictive Tech | 332,442 | 0 | 03 Apr, 2026 |
| Craig R. Rayner | President, Integrated Drug Dev | 316,010 | 0 | 07 Sep, 2021 |
| Jieun W. Choe | Chief Strategy Marketing | 248,577 | 0 | 05 Apr, 2022 |
| Matthew M Walsh | - | 197,559 | 0 | 22 May, 2025 |
| Richard M. Traynor | Svp And General Counsel | 173,524 | 0 | 03 Apr, 2024 |
| Leif E Pedersen | President, Chief Commercal Off | 110,045 | 0 | 03 Apr, 2026 |
| John E Gallagher | Chief Financial Officer | 95,371 | 0 | 03 Apr, 2026 |
| Patrick F Smith | President, Drug Dev Solutions | 50,091 | 0 | 08 Oct, 2024 |
| Stephen M. Mclean | - | 42,000 | 0 | 23 Aug, 2022 |
| Eran Broshy | - | 34,951 | 0 | 22 May, 2025 |
| Rosemary A Crane | - | 29,915 | 0 | 22 May, 2025 |
| Nicolette D Sherman | Chief Human Resources Officer | 24,358 | 0 | 03 Apr, 2024 |
| Daniel Corcoran | Svp And General Counsel | 21,319 | 0 | 03 Apr, 2026 |
| Daniel Corcoran | Svp And General Counsel | 20,530 | 0 | 02 Jun, 2025 |
| Drayton Virkler | President, Reg Acces | 12,415 | 0 | 03 Apr, 2023 |
| Rona Anhalt | Chief Human Resources Officer | 11,883 | 0 | 03 Apr, 2026 |
| John V W Reynders | - | 10,709 | 0 | 22 May, 2025 |
| Drayton Virkler | Interim President, Reg Acces | 9,591 | 0 | 04 Oct, 2022 |
| Adrian Mckemey | President, Drug Dev. Solutions | 8,207 | 0 | 03 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 | Leif E Pedersen | Common Stock | A | 14,510 | $0.00 | 88,489 | D | A |
| 01 Apr, 2026 | Rona Anhalt | Common Stock | A | 9,764 | $0.00 | 14,945 | D | M |
| 01 Apr, 2026 | Daniel Corcoran | Common Stock | A | 10,849 | $0.00 | 27,070 | D | M |
| 01 Apr, 2026 | Robert Aspbury | Common Stock | A | 14,510 | $0.00 | 321,686 | D | A |
| 01 Apr, 2026 | Adrian Mckemey | Common Stock | A | 10,849 | $0.00 | 10,849 | D | M |
| 01 Apr, 2026 | John E Gallagher | Common Stock | A | 23,346 | $0.00 | 69,874 | D | A |
| 01 Apr, 2026 | Daniel Corcoran | Common Stock | D | 5,751 | $5.70 | 21,319 | D | F |
| 01 Apr, 2026 | John E Gallagher | Common Stock | D | 7,775 | $5.70 | 62,099 | D | F |
| 01 Apr, 2026 | Leif E Pedersen | Common Stock | D | 3,534 | $5.70 | 84,955 | D | F |
| 01 Apr, 2026 | Adrian Mckemey | Common Stock | D | 2,642 | $5.70 | 8,207 | D | F |
| 01 Apr, 2026 | Rona Anhalt | Common Stock | D | 3,062 | $5.70 | 11,883 | D | F |
| 01 Apr, 2026 | Robert Aspbury | Common Stock | D | 6,821 | $5.70 | 314,865 | D | F |
| 01 Apr, 2026 | Daniel Corcoran | Restricted Stock Units | D | 10,849 | $0.00 | 21,698 | D | M |
| 01 Apr, 2026 | Rona Anhalt | Restricted Stock Units | D | 9,764 | $0.00 | 19,528 | D | M |
| 01 Apr, 2026 | Leif E Pedersen | Common Stock | A | 7,852 | $0.00 | 92,807 | D | M |
| 01 Apr, 2026 | Adrian Mckemey | Restricted Stock Units | D | 10,849 | $0.00 | 21,698 | D | M |
| 01 Apr, 2026 | Robert Aspbury | Common Stock | A | 7,852 | $0.00 | 322,717 | D | M |
| 01 Apr, 2026 | John E Gallagher | Common Stock | A | 12,633 | $0.00 | 74,732 | D | M |
| 01 Apr, 2026 | John E Gallagher | Common Stock | D | 4,327 | $0.00 | 70,405 | D | F |
| 01 Apr, 2026 | Leif E Pedersen | Common Stock | D | 1,912 | $5.70 | 90,895 | D | F |