Certara, Inc. (CERT) has 20 known insider and institutional holders on record. The largest holder is EQT Avatar Parent L.P. with 37,458,939 shares. Other notable holders include ARSENAL CAPITAL INVESTMENT VI LP and EQT Fund Management S.a r.l..
Over the last 12 months, insiders have made 27 transactions in CERT stock — 9 buys (valued at $200K) and 1 sells (valued at $559.37K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CERT Insider Ownership
Top Holder
EQT Avatar Parent L.P.
37,458,939 shares
Buys (12 mo)
9
$200K value
Sells (12 mo)
1
$559.37K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Eqt Avatar Parent L.p. |
10 Percent Owner |
37,458,939 |
2021-11-24 |
|
| 2 |
Arsenal Capital Investment Vi Lp |
Director |
36,345,835 |
2022-12-16 |
|
| 3 |
Eqt Fund Management S.a R.l. |
Director |
29,954,521 |
2022-08-17 |
|
| 4 |
Feehery William F |
Chief Executive Officer |
2,360,769 |
2025-11-12 |
|
| 5 |
Slaine Mason P |
Director |
906,115 |
2022-11-16 |
|
| 6 |
Mccoy Sherilyn S |
Director |
621,143 |
2021-05-18 |
|
| 7 |
Rayner Craig R. |
President, Integrated Drug Dev |
316,010 |
2021-09-07 |
|
| 8 |
Dickinson Judith |
See Remarks |
173,564 |
2021-04-09 |
|
| 9 |
Pedersen Leif E |
President, Chief Commercal Off |
73,979 |
2025-09-11 |
|
| 10 |
Gallagher John E |
Chief Financial Officer |
68,348 |
2025-05-22 |
|
| 11 |
Smith Patrick F |
President, Drug Dev Solutions |
50,091 |
2024-10-08 |
|
| 12 |
Aspbury Robert |
President, Predictive Tech |
45,566 |
2025-05-22 |
|
| 13 |
Mclean Stephen M. |
Director |
42,000 |
2022-08-23 |
|
| 14 |
Schemick Michael Andrew |
Chief Financial Officer |
26,604 |
2023-04-03 |
|
| 15 |
Edge Justin |
Pres., Regulatory & Access |
25,939 |
2022-04-05 |
|
| 16 |
Corcoran Daniel |
SVP and General Counsel |
21,319 |
2026-04-03 |
|
| 17 |
Choe Jieun W. |
Chief Strategy & Marketing |
15,962 |
2022-04-05 |
|
| 18 |
Anhalt Rona |
Chief Human Resources Officer |
11,883 |
2026-04-03 |
|
| 19 |
Reynders John V W |
Director |
10,709 |
2024-10-18 |
|
| 20 |
Broshy Eran |
Director |
9,553 |
2023-08-23 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Mckemey Adrian |
President, Drug Dev. Solutions |
Tax Withholding of RSU |
2,642 |
$5.70 |
$15.06K |
| 2026-04-01 |
Corcoran Daniel |
SVP and General Counsel |
Tax Withholding of RSU |
5,751 |
$5.70 |
$32.78K |
| 2026-04-01 |
Anhalt Rona |
Chief Human Resources Officer |
Tax Withholding of RSU |
3,062 |
$5.70 |
$17.45K |
| 2026-04-01 |
Aspbury Robert |
President, Predictive Tech |
Option Exercise (Sell) |
7,852 |
- |
- |
| 2026-04-01 |
Gallagher John E |
Chief Financial Officer |
Option Exercise (Sell) |
12,633 |
- |
- |
| 2026-04-01 |
Pedersen Leif E |
President, Chief Commercal Off |
Option Exercise (Sell) |
7,852 |
- |
- |
| 2026-02-27 |
Bedi Arjun |
Director |
RSU Award |
5,547 |
- |
- |
| 2026-02-24 |
Bedi Arjun |
Officer |
Unknown |
- |
- |
- |
| 2026-01-01 |
Resnick Jon Matthew |
Officer |
Unknown |
- |
- |
- |
| 2025-11-11 |
Feehery William F |
Chief Executive Officer |
Informative Buy |
24,096 |
$8.30 |
$200K |
| 2025-09-09 |
Pedersen Leif E |
President, Chief Commercal Off |
Informative Sell |
51,224 |
$10.92 |
$559.37K |
| 2025-05-30 |
Corcoran Daniel |
SVP and General Counsel |
Tax Withholding of RSU |
2,298 |
$11.40 |
$26.2K |
| 2025-05-30 |
Anhalt Rona |
Chief Human Resources Officer |
Tax Withholding of RSU |
1,965 |
$11.40 |
$22.4K |
| 2025-05-20 |
Mckemey Adrian |
President, Drug Dev. Solutions |
RSU Award |
32,547 |
- |
- |
| 2025-05-21 |
Reynders John V W |
Director |
Option Exercise (Sell) |
10,709 |
- |
- |
| 2025-05-20 |
Corcoran Daniel |
SVP and General Counsel |
RSU Award |
32,547 |
- |
- |
| 2025-05-20 |
Anhalt Rona |
Chief Human Resources Officer |
RSU Award |
29,292 |
- |
- |
| 2025-05-20 |
Aspbury Robert |
President, Predictive Tech |
RSU Award |
45,566 |
- |
- |
| 2025-05-20 |
Gallagher John E |
Chief Financial Officer |
RSU Award |
68,348 |
- |
- |
| 2025-05-21 |
Killefer Nancy |
Director |
Option Exercise (Sell) |
11,928 |
- |
- |
| 2025-05-20 |
Pedersen Leif E |
President, Chief Commercal Off |
RSU Award |
45,566 |
- |
- |
| 2025-05-20 |
Feehery William F |
Chief Executive Officer |
RSU Award |
187,144 |
- |
- |
| 2025-05-21 |
Crane Rosemary A |
Director |
Option Exercise (Sell) |
11,928 |
- |
- |
| 2025-05-21 |
Collins Cynthia |
Director |
Option Exercise (Sell) |
11,928 |
- |
- |
| 2025-05-21 |
Walsh Matthew M |
Director |
Option Exercise (Sell) |
11,928 |
- |
- |
