Form 4 for CERT Certara, Inc.
Accepted 2026-04-03 16:07:30 ET · period of report 2026-04-01 · accession 0001628991-26-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-04-03 16:07 | 2026-04-01 | CERT | Gallagher John E | CFO | A - Grant | $0.00 | +23.3K | 69.9K | +50% | $0 |
| DM | 2026-04-03 16:07 | 2026-04-01 | CERT | Gallagher John E | CFO | F - Tax | $4.72 | -25.1K | 95.4K | -21% | -$118.5K |
| DM | 2026-04-03 16:07 | 2026-04-01 | CERT | Gallagher John E | CFO | M - OptEx | $0.00 | +50.6K | 103.2K | +96% | $0 |
| DM | 2026-04-03 16:07 | 2026-04-01 | CERT | Gallagher John E | CFO | M - OptEx | $0.00 | -50.6K | 45.6K | -53% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-04-01 | A | A | 23,346 | $0.00 | 69,874 | D | — | — | (F1) Each performance stock unit ("PSU") was granted on April 1, 2023, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents a right to receive one share of common stock. The PSUs were subject to the achievement of certain performance objectives over a three-year period from January 1, 2023, to December 31, 2025. The PSUs were vested and settled on April 1, 2026. |
| 2 | Common | Common Stock | 2026-04-01 | F | D | 7,775 | $5.70 | 62,099 | D | — | — | (F2) Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") and PSUs described in footnotes 1, 3, 4, and 5, exempt under Rule 16b-3. (F1) Each performance stock unit ("PSU") was granted on April 1, 2023, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents a right to receive one share of common stock. The PSUs were subject to the achievement of certain performance objectives over a three-year period from January 1, 2023, to December 31, 2025. The PSUs were vested and settled on April 1, 2026. |
| 3 | Common | Common Stock | 2026-04-01 | M | A | 12,633 | $0.00 | 74,732 | D | — | — | (F3) Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2024. One-third of the RSUs vested and were settled on April 1, 2025. The remaining one-third of the RSUs vested and settled on April 1, 2026. |
| 4 | Common | Common Stock | 2026-04-01 | F | D | 4,327 | $0.00 | 70,405 | D | — | — | (F2) Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") and PSUs described in footnotes 1, 3, 4, and 5, exempt under Rule 16b-3. (F3) Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2024. One-third of the RSUs vested and were settled on April 1, 2025. The remaining one-third of the RSUs vested and settled on April 1, 2026. |
| 5 | Common | Common Stock | 2026-04-01 | M | A | 15,190 | $0.00 | 85,595 | D | — | — | (F4) Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027. |
| 6 | Common | Common Stock | 2026-04-01 | F | D | 5,203 | $5.70 | 80,392 | D | — | — | (F2) Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") and PSUs described in footnotes 1, 3, 4, and 5, exempt under Rule 16b-3. (F4) Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027. |
| 7 | Common | Common Stock | 2026-04-01 | M | A | 22,782 | $0.00 | 103,174 | D | — | — | (F5) Each RSU was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028. |
| 8 | Common | Common Stock | 2026-04-01 | F | D | 7,803 | $5.70 | 95,371 | D | — | — | (F2) Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") and PSUs described in footnotes 1, 3, 4, and 5, exempt under Rule 16b-3. (F5) Each RSU was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028. |
| 9 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 12,633 | $0.00 | 0 | D | — · — to 2026-04-01 | 12,633 Common Stock | (F3) Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2024. One-third of the RSUs vested and were settled on April 1, 2025. The remaining one-third of the RSUs vested and settled on April 1, 2026. (F3) Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2024. One-third of the RSUs vested and were settled on April 1, 2025. The remaining one-third of the RSUs vested and settled on April 1, 2026. |
| 10 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 15,190 | $0.00 | 15,191 | D | — · — to 2027-04-01 | 15,190 Common Stock | (F4) Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027. (F4) Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027. |
| 11 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 22,782 | $0.00 | 45,566 | D | — · — to 2028-04-01 | 22,782 Common Stock | (F5) Each RSU was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028. (F5) Each RSU was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028. |