CERT Certara, Inc.
Certara, Inc. (CERT) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 100% planned / 0% discretionary
Largest single sale: $559.4K.
Where they traded
Last open-market purchase: November 11, 2025 , by Feehery William F .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Feehery William F | CHIEF EXECUTIVE OFFICER | Buy | 24,096 | $8.30 | $200.0K | 2,360,769 | |
| Pedersen Leif E | PRESIDENT, CHIEF COMMERCAL OFF | Sell 10b5-1 | 51,224 | $10.92 | $559.4K | 73,979 −40.9% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.