CERT
insider transactionsCertara, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Exercise·M
SVP and General Counsel
$0
14.9K sh
Own New
-
Exercise·M
SVP and General Counsel
$0
7.9K sh
Own New
-
Other·F
SVP and General Counsel
$45.9K
7.9K sh · $5.82
Own -20%
-
Exercise·M
SVP and General Counsel
$0
14.9K sh
Own +59%
-
Other·F
SVP and General Counsel
$24.5K
4.2K sh · $5.82
Own -14%
-
Exercise·M
SVP and General Counsel
$0
7.9K sh
Own +37%
-
Exercise·M
Chief Human Resources Officer
$0
7.1K sh
Own New
-
Other·F
Chief Human Resources Officer
$13.0K
2.2K sh · $5.82
Own -12%
-
Exercise·M
Chief Human Resources Officer
$0
7.1K sh
Own +60%
-
Grant·A
Chief Financial Officer
$0
33.2K sh
Own New
-
Exercise·M
Chief Financial Officer
$0
15.8K sh
Own New
-
Exercise·M
Chief Financial Officer
$0
15.8K sh
Own +147%
-
Grant·A
Director
$0
33.2K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +44%
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +53%
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +44%
-
Grant·A
Director
$0
33.2K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +8%
-
Grant·A
Director
$0
33.2K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +3%
-
Grant·A
Director
$0
33.2K sh
Own New
-
Exercise·M
Director
$0
5.5K sh
Own New
-
Exercise·M
Director
$0
5.5K sh
Own New
-
Grant·A
Director
$0
33.2K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own New
-
Exercise·M
Director
$0
15.8K sh
Own +45%
-
Exercise·M
Chief Executive Officer
$0
59.8K sh
Own +100%
-
Grant·A
Chief Executive Officer
$0
728.4K sh
Own New
-
Grant·A
Chief Executive Officer
$0
493.8K sh
Own New
-
Grant·A
Chief Executive Officer
$0
179.3K sh
Own New
-
Grant·A
Chief Executive Officer
$0
740.7K sh
Own New
-
Grant·A
Chief Executive Officer
$0
268.9K sh
Own New
-
Other·F
Chief Executive Officer
$153.8K
24.4K sh · $6.31
Own -41%
-
Exercise·M
Chief Executive Officer
$0
59.8K sh
Own New
-
Grant·A
SVP and General Counsel
$0
111.1K sh
Own New
-
Grant·A
SVP and General Counsel
$0
74.1K sh
Own New
-
Grant·A
SVP and General Counsel
$0
48.8K sh
Own New
-
Other·D
SVP and General Counsel
$0
48.8K sh
Own -100%
-
Grant·A
John E Gallagher KEY
Chief Financial Officer
$0
194.4K sh
Own New
-
Grant·A
John E Gallagher KEY
Chief Financial Officer
$0
129.6K sh
Own New
-
Grant·A
John E Gallagher KEY
Chief Financial Officer
$0
102.5K sh
Own New
-
Other·D
John E Gallagher KEY
Chief Financial Officer
$0
102.5K sh
Own -100%
-
Grant·A
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
111.1K sh
Own New
-
Grant·A
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
74.1K sh
Own New
-
Grant·A
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
68.3K sh
Own New
-
Other·D
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
68.3K sh
Own -100%
-
Grant·A
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
129.6K sh
Own New
-
Grant·A
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
246.9K sh
Own New
-
Grant·A
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
86.4K sh
Own New
-
Grant·A
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
68.3K sh
Own New
-
Other·D
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
68.3K sh
Own -100%
-
Grant·A
Chief Human Resources Officer
$0
92.6K sh
Own New
-
Grant·A
Chief Human Resources Officer
$0
61.7K sh
Own New
-
Grant·A
Chief Human Resources Officer
$0
43.9K sh
Own New
-
Other·D
Chief Human Resources Officer
$0
43.9K sh
Own -100%
-
Exercise·M
Adrian Mckemey KEY
President, Drug Dev. Solutions
$0
10.8K sh
Own +100%
-
Other·F
Adrian Mckemey KEY
President, Drug Dev. Solutions
$15.1K
2.6K sh · $5.70
Own -24%
-
Exercise·M
Adrian Mckemey KEY
President, Drug Dev. Solutions
$0
10.8K sh
Own New
-
Exercise·M
SVP and General Counsel
$0
10.8K sh
Own +100%
-
Other·F
SVP and General Counsel
$32.8K
5.8K sh · $5.70
Own -21%
-
Exercise·M
SVP and General Counsel
$0
10.8K sh
Own +67%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
22.8K sh
Own +100%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
15.2K sh
Own +1519000%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
12.6K sh
Own New
-
Other·F
John E Gallagher KEY
Chief Financial Officer
$44.5K
7.8K sh · $5.70
Own -8%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
22.8K sh
Own +28%
-
Other·F
John E Gallagher KEY
Chief Financial Officer
$29.7K
5.2K sh · $5.70
Own -6%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
15.2K sh
Own +22%
-
Other·F
John E Gallagher KEY
Chief Financial Officer
$0
4.3K sh
Own -6%
-
Exercise·M
John E Gallagher KEY
Chief Financial Officer
$0
12.6K sh
Own +20%
-
Other·F
John E Gallagher KEY
Chief Financial Officer
$44.3K
7.8K sh · $5.70
Own -11%
-
Grant·A
John E Gallagher KEY
Chief Financial Officer
$0
23.3K sh
Own +50%
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
15.2K sh
Own +100%
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
10.1K sh
Own New
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
7.9K sh
Own New
-
Other·F
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$21.1K
3.7K sh · $5.70
Own -3%
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
15.2K sh
Own +15%
-
Other·F
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$14.1K
2.5K sh · $5.70
Own -2%
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
10.1K sh
Own +11%
-
Other·F
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$10.9K
1.9K sh · $5.70
Own -2%
-
Exercise·M
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
7.9K sh
Own +9%
-
Other·F
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$20.1K
3.5K sh · $5.70
Own -4%
-
Grant·A
Leif E Pedersen KEY
PRESIDENT, CHIEF COMMERCAL OFF
$0
14.5K sh
Own +20%
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
15.2K sh
Own +100%
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
10.1K sh
Own New
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
7.9K sh
Own New
-
Other·F
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$40.7K
7.1K sh · $5.70
Own -2%
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
15.2K sh
Own +5%
-
Other·F
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$27.1K
4.8K sh · $5.70
Own -1%
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
10.1K sh
Own +3%
-
Other·F
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$21.0K
3.7K sh · $5.70
Own -1%
-
Exercise·M
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
7.9K sh
Own +2%
-
Other·F
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$38.9K
6.8K sh · $5.70
Own -2%
-
Grant·A
Robert Aspbury KEY
PRESIDENT, PREDICTIVE TECH
$0
14.5K sh
Own +5%
-
Exercise·M
Chief Human Resources Officer
$0
9.8K sh
Own +100%
-
Other·F
Chief Human Resources Officer
$17.5K
3.1K sh · $5.70
Own -20%
-
Exercise·M
Chief Human Resources Officer
$0
9.8K sh
Own +188%
-
Grant·A
Director
$0
5.5K sh
Own New
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 1, 2026 | Daniel Corcoran | Exercise M | 14.9K | $0 |
| Jun 1, 2026 | Daniel Corcoran | Exercise M | 7.9K | $0 |
| Jun 1, 2026 | Daniel Corcoran | Other F | 7.9K | $45.9K |
| Jun 1, 2026 | Daniel Corcoran | Exercise M | 14.9K | $0 |
| Jun 1, 2026 | Daniel Corcoran | Other F | 4.2K | $24.5K |
| Jun 1, 2026 | Daniel Corcoran | Exercise M | 7.9K | $0 |
| Jun 1, 2026 | Rona Anhalt | Exercise M | 7.1K | $0 |
| Jun 1, 2026 | Rona Anhalt | Other F | 2.2K | $13.0K |
| Jun 1, 2026 | Rona Anhalt | Exercise M | 7.1K | $0 |
| May 14, 2026 | John V W Reynders KEY | Grant A | 33.2K | $0 |
| May 14, 2026 | John V W Reynders KEY | Exercise M | 15.8K | $0 |
| May 14, 2026 | John V W Reynders KEY | Exercise M | 15.8K | $0 |
| May 14, 2026 | Nancy Killefer | Grant A | 33.2K | $0 |
| May 14, 2026 | Nancy Killefer | Exercise M | 15.8K | $0 |
| May 14, 2026 | Nancy Killefer | Exercise M | 15.8K | $0 |
| May 14, 2026 | Rosemary A Crane | Exercise M | 15.8K | $0 |
| May 14, 2026 | Rosemary A Crane | Exercise M | 15.8K | $0 |
| May 14, 2026 | Cynthia Collins | Exercise M | 15.8K | $0 |
| May 14, 2026 | Cynthia Collins | Exercise M | 15.8K | $0 |
| May 14, 2026 | Matthew M Walsh | Grant A | 33.2K | $0 |
| May 14, 2026 | Matthew M Walsh | Exercise M | 15.8K | $0 |
| May 14, 2026 | Matthew M Walsh | Exercise M | 15.8K | $0 |
| May 14, 2026 | James E Cashman III | Grant A | 33.2K | $0 |
| May 14, 2026 | James E Cashman III | Exercise M | 15.8K | $0 |
| May 14, 2026 | James E Cashman III | Exercise M | 15.8K | $0 |
| May 14, 2026 | Arjun Bedi | Grant A | 33.2K | $0 |
| May 14, 2026 | Arjun Bedi | Exercise M | 5.5K | $0 |
| May 14, 2026 | Arjun Bedi | Exercise M | 5.5K | $0 |
| May 14, 2026 | Eran Broshy | Grant A | 33.2K | $0 |
| May 14, 2026 | Eran Broshy | Exercise M | 15.8K | $0 |
| May 14, 2026 | Eran Broshy | Exercise M | 15.8K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Exercise M | 59.8K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Grant A | 728.4K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Grant A | 493.8K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Grant A | 179.3K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Grant A | 740.7K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Grant A | 268.9K | $0 |
| May 11, 2026 | Jon Matthew Resnick KEY | Other F | 24.4K | $153.8K |
| May 11, 2026 | Jon Matthew Resnick KEY | Exercise M | 59.8K | $0 |
| May 11, 2026 | Daniel Corcoran | Grant A | 111.1K | $0 |
| May 11, 2026 | Daniel Corcoran | Grant A | 74.1K | $0 |
| May 11, 2026 | Daniel Corcoran | Grant A | 48.8K | $0 |
| May 11, 2026 | Daniel Corcoran | Other D | 48.8K | $0 |
| May 11, 2026 | John E Gallagher KEY | Grant A | 194.4K | $0 |
| May 11, 2026 | John E Gallagher KEY | Grant A | 129.6K | $0 |
| May 11, 2026 | John E Gallagher KEY | Grant A | 102.5K | $0 |
| May 11, 2026 | John E Gallagher KEY | Other D | 102.5K | $0 |
| May 11, 2026 | Leif E Pedersen KEY | Grant A | 111.1K | $0 |
| May 11, 2026 | Leif E Pedersen KEY | Grant A | 74.1K | $0 |
| May 11, 2026 | Leif E Pedersen KEY | Grant A | 68.3K | $0 |
| May 11, 2026 | Leif E Pedersen KEY | Other D | 68.3K | $0 |
| May 11, 2026 | Robert Aspbury KEY | Grant A | 129.6K | $0 |
| May 11, 2026 | Robert Aspbury KEY | Grant A | 246.9K | $0 |
| May 11, 2026 | Robert Aspbury KEY | Grant A | 86.4K | $0 |
| May 11, 2026 | Robert Aspbury KEY | Grant A | 68.3K | $0 |
| May 11, 2026 | Robert Aspbury KEY | Other D | 68.3K | $0 |
| May 11, 2026 | Rona Anhalt | Grant A | 92.6K | $0 |
| May 11, 2026 | Rona Anhalt | Grant A | 61.7K | $0 |
| May 11, 2026 | Rona Anhalt | Grant A | 43.9K | $0 |
| May 11, 2026 | Rona Anhalt | Other D | 43.9K | $0 |
| Apr 1, 2026 | Adrian Mckemey KEY | Exercise M | 10.8K | $0 |
| Apr 1, 2026 | Adrian Mckemey KEY | Other F | 2.6K | $15.1K |
| Apr 1, 2026 | Adrian Mckemey KEY | Exercise M | 10.8K | $0 |
| Apr 1, 2026 | Daniel Corcoran | Exercise M | 10.8K | $0 |
| Apr 1, 2026 | Daniel Corcoran | Other F | 5.8K | $32.8K |
| Apr 1, 2026 | Daniel Corcoran | Exercise M | 10.8K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 22.8K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 12.6K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Other F | 7.8K | $44.5K |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 22.8K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Other F | 5.2K | $29.7K |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Other F | 4.3K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Exercise M | 12.6K | $0 |
| Apr 1, 2026 | John E Gallagher KEY | Other F | 7.8K | $44.3K |
| Apr 1, 2026 | John E Gallagher KEY | Grant A | 23.3K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 10.1K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 7.9K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Other F | 3.7K | $21.1K |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Other F | 2.5K | $14.1K |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 10.1K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Other F | 1.9K | $10.9K |
| Apr 1, 2026 | Leif E Pedersen KEY | Exercise M | 7.9K | $0 |
| Apr 1, 2026 | Leif E Pedersen KEY | Other F | 3.5K | $20.1K |
| Apr 1, 2026 | Leif E Pedersen KEY | Grant A | 14.5K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 10.1K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 7.9K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Other F | 7.1K | $40.7K |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 15.2K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Other F | 4.8K | $27.1K |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 10.1K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Other F | 3.7K | $21.0K |
| Apr 1, 2026 | Robert Aspbury KEY | Exercise M | 7.9K | $0 |
| Apr 1, 2026 | Robert Aspbury KEY | Other F | 6.8K | $38.9K |
| Apr 1, 2026 | Robert Aspbury KEY | Grant A | 14.5K | $0 |
| Apr 1, 2026 | Rona Anhalt | Exercise M | 9.8K | $0 |
| Apr 1, 2026 | Rona Anhalt | Other F | 3.1K | $17.5K |
| Apr 1, 2026 | Rona Anhalt | Exercise M | 9.8K | $0 |
| Feb 27, 2026 | Arjun Bedi | Grant A | 5.5K | $0 |
About CERT insider trading
This page tracks insider transactions for Certara, Inc. (CERT) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.