Gallagher John E (CIK 1628991) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-03). Recent activity: Buy CERT (23,346 shares), Sell CERT (7,775 shares), Buy CERT (12,633 shares), Sell CERT (4,327 shares), Buy CERT (15,190 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Buy | 23,346 | $0 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Sell | 7,775 | $44,318 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Buy | 12,633 | $0 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Sell | 4,327 | $0 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Buy | 15,190 | $0 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Sell | 5,203 | $29,657 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Buy | 22,782 | $0 |
| 2026-04-03 | Certara, Inc. (CERT) | Chief Financial Officer | Sell | 7,803 | $44,477 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Buy | 14,663 | $0 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Sell | 4,646 | $45,995 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Buy | 12,633 | $0 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Sell | 4,327 | $42,837 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Buy | 15,190 | $0 |
| 2025-04-03 | Certara, Inc. (CERT) | PRESIDENT, CHIEF COMMERCAL OFF | Sell | 5,203 | $51,510 |
Source: SEC Form 4 filings · as of 2026-04-03