Feehery William F, CEO of Certara Inc. ($CERT), made one open market purchase of company shares in the last year, totaling about $200,000. His most recent buy occurred on November 11, 2025. Among 4,983 insiders tracked for open market buys, his purchase volume ranks 1,568th, below the average of $1.46 million across 3.3 transactions per insider. He reported no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 11, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | P | Common Stock | 24096 | $8.30 | 2,360,769.3840 | 163,873,911 | 1.03% | 0.01% |
| May 20, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Performance Stock Units | 280716 | $0.00 | 280,716.0000 | 161,958,810 | 9999.99% | 0.17% |
| May 20, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Restricted Stock Units | 187144 | $0.00 | 187,144.0000 | 161,958,810 | 9999.99% | 0.12% |
| May 6, 2025 | WEST PHARMACEUTICAL SERVICES INC | $WST | Feehery William F | Director | A | Common Stock | 1071 | $0.00 | 31,363.1300 | 73,700,000 | 3.54% | 0.00% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 13807 | $9.90 | 2,293,649.0000 | 161,958,810 | 0.60% | 0.01% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Common Stock | 33220 | $0.00 | 2,326,869.0000 | 161,958,810 | 1.45% | 0.02% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 14116 | $9.90 | 2,312,753.0000 | 161,958,810 | 0.61% | 0.01% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Common Stock | 41593 | $0.00 | 2,354,346.0000 | 161,958,810 | 1.80% | 0.03% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 17673 | $9.90 | 2,336,673.0000 | 161,958,810 | 0.75% | 0.01% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Restricted Stock Units | 36580 | $0.00 | 0.0000 | 161,958,810 | 100.00% | 0.02% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Restricted Stock Units | 33220 | $0.00 | 33,220.0000 | 161,958,810 | 50.00% | 0.02% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Restricted Stock Units | 41593 | $0.00 | 83,186.0000 | 161,958,810 | 33.33% | 0.03% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Common Stock | 29960 | $0.00 | 2,279,114.0000 | 161,958,810 | 1.33% | 0.02% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 8238 | $9.90 | 2,270,876.0000 | 161,958,810 | 0.36% | 0.01% |
| April 1, 2025 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Common Stock | 36580 | $0.00 | 2,307,456.0000 | 161,958,810 | 1.61% | 0.02% |
| April 23, 2024 | WEST PHARMACEUTICAL SERVICES INC | $WST | Feehery William F | Director | A | Common Stock | 564 | $0.00 | 30,292.1300 | 75,300,000 | 1.90% | 0.00% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Restricted Stock Units | 124779 | $0.00 | 124,779.0000 | 160,284,901 | 9999.99% | 0.08% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Restricted Stock Units | 120981 | $0.00 | 120,981.0000 | 160,284,901 | 9999.99% | 0.08% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 14115 | $17.88 | 2,249,154.0000 | 160,284,901 | 0.62% | 0.01% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Restricted Stock Units | 36580 | $0.00 | 36,580.0000 | 160,284,901 | 50.00% | 0.02% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Restricted Stock Units | 33219 | $0.00 | 66,440.0000 | 160,284,901 | 33.33% | 0.02% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 12971 | $17.88 | 2,209,013.0000 | 160,284,901 | 0.58% | 0.01% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Common Stock | 36580 | $0.00 | 2,245,593.0000 | 160,284,901 | 1.66% | 0.02% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 15543 | $17.88 | 2,230,050.0000 | 160,284,901 | 0.69% | 0.01% |
| April 1, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | M | Common Stock | 33219 | $0.00 | 2,263,269.0000 | 160,284,901 | 1.49% | 0.02% |
| March 5, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | F | Common Stock | 17557 | $18.88 | 2,221,984.0000 | 160,284,901 | 0.78% | 0.01% |
| March 5, 2024 | Certara, Inc. | $CERT | Feehery William F | CHIEF EXECUTIVE OFFICER | A | Common Stock | 59799 | $0.00 | 2,239,541.0000 | 160,284,901 | 2.74% | 0.04% |
| April 25, 2023 | WEST PHARMACEUTICAL SERVICES INC | $WST | Feehery William F | Not found | A | Common Stock | 616 | $0.00 | 29,728.1300 | 75,800,000 | 2.12% | 0.00% |