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Buy CERT
Certara Stock Insider Power
Based on the 100 latest insides trades, we have calculated the insider power to be positive at 95.68. In total, the insiders bought 4.99M and sold 438.22K CERT shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.
Insider Power
|
95.68 |
| ● Buy | 4.99M shares |
| ● Sell | 438.22K shares |
|
77% Buy Activity
Moderate Negative Correlation
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Historical Insider Trades
| Date | Type | Person | Role | Amount |
|---|---|---|---|---|
|
May 14, 2026 Buy |
Collins Cynthia Director |
15 757 Value: $72.6K |
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May 14, 2026 Buy |
Collins Cynthia Director |
15 757 Value: $72.6K |
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May 14, 2026 Buy |
Killefer Nancy Director |
33 222 Value: $153.2K |
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May 14, 2026 Buy |
Killefer Nancy Director |
15 757 Value: $72.6K |
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|
May 14, 2026 Buy |
Crane Rosemary A Director |
15 757 Value: $72.6K |
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May 14, 2026 Buy |
Crane Rosemary A Director |
15 757 Value: $72.6K |
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|
May 14, 2026 Buy |
Walsh Matthew M Director |
15 757 Value: $72.6K |
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|
May 14, 2026 Buy |
Walsh Matthew M Director |
33 222 Value: $153.2K |
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|
May 14, 2026 Buy |
Walsh Matthew M Director |
15 757 Value: $72.6K |
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|
May 11, 2026 Sell |
Gallagher John E Chief Financial Officer |
102 522 Value: $0 |
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May 11, 2026 Buy |
Gallagher John E Chief Financial Officer |
102 522 Value: $525.9K |
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May 11, 2026 Buy |
Gallagher John E Chief Financial Officer |
129 629 Value: $665.0K |
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May 11, 2026 Buy |
Gallagher John E Chief Financial Officer |
194 444 Value: $997.5K |
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May 11, 2026 Sell |
Corcoran Daniel SVP And General Counsel |
48 820 Value: $0 |
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May 11, 2026 Buy |
Corcoran Daniel SVP And General Counsel |
48 820 Value: $250.4K |
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May 11, 2026 Buy |
Corcoran Daniel SVP And General Counsel |
111 111 Value: $570.0K |
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May 11, 2026 Buy |
Resnick Jon Matthew Chief Executive Officer |
59 766 Value: $306.6K |
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May 11, 2026 Buy |
Resnick Jon Matthew Chief Executive Officer |
493 827 Value: $2.53M |
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May 11, 2026 Buy |
Resnick Jon Matthew Chief Executive Officer |
740 740 Value: $3.80M |
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May 11, 2026 Buy |
Anhalt Rona Chief Human Resources Officer |
61 728 Value: $316.7K |
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|
May 11, 2026 Sell |
Pedersen Leif E President, Chief Commercal Off |
68 348 Value: $0 |
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|
May 11, 2026 Buy |
Pedersen Leif E President, Chief Commercal Off |
111 111 Value: $570.0K |
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|
May 11, 2026 Buy |
Aspbury Robert President, Predictive Tech |
68 348 Value: $350.6K |
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May 11, 2026 Buy |
Aspbury Robert President, Predictive Tech |
246 913 Value: $1.27M |
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|
May 11, 2026 Buy |
Aspbury Robert President, Predictive Tech |
129 629 Value: $665.0K |
About Insider Power
Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.
It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.
While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.
* October 6th, 2025 - Tested on 5562 stocks
