Slaine Mason P insider trades
Slaine Mason P has filed 10 Form 4s with the SEC that we hold, all for Certara, Inc. (CERT), as Director. Across all of them we count 0 purchases worth $0 and 16 sales worth $50.9M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 620,668 shares of Certara, Inc. worth $18.5M, dated 2021-09-13. The first filing on our record is dated 2021-09-14 and the latest 2022-11-16.
Certara, Inc. (CERT)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-09-13 | S, sale reported on Form 4 | 620,668 | $18.5M | 2021-09-14 |
| 2021-11-22 | S, sale reported on Form 4 | 376,149 | $11.2M | 2021-11-24 |
| 2021-12-13 | S, sale reported on Form 4 | 49,900 | $1.4M | 2021-12-14 |
| 2021-12-13 | S, sale reported on Form 4 | 100 | $2.9K | 2021-12-14 |
| 2022-01-03 | S, sale reported on Form 4 | 9,677 | $279.5K | 2022-01-04 |
| 2022-01-03 | S, sale reported on Form 4 | 40,323 | $1.2M | 2022-01-04 |
| 2022-02-01 | S, sale reported on Form 4 | 35,199 | $933.8K | 2022-02-02 |
| 2022-02-01 | S, sale reported on Form 4 | 14,801 | $396.7K | 2022-02-02 |
| 2022-03-16 | S, sale reported on Form 4 | 125,000 | $2.5M | 2022-03-18 |
| 2022-03-17 | S, sale reported on Form 4 | 125,000 | $2.5M | 2022-03-18 |
| 2022-06-02 | S, sale reported on Form 4 | 100,000 | $2.0M | 2022-06-03 |
| 2022-06-02 | S, sale reported on Form 4 | 100,000 | $2.0M | 2022-06-03 |
| 2022-06-02 | S, sale reported on Form 4 | 50,000 | $976.0K | 2022-06-03 |
| 2022-08-16 | S, sale reported on Form 4 | 182,475 | $3.2M | 2022-08-17 |
| 2022-11-14 | S, sale reported on Form 4 | 4,207 | $64.2K | 2022-11-16 |
| 2022-11-15 | S, sale reported on Form 4 | 245,793 | $3.8M | 2022-11-16 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1079093) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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