Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Apr 1, 2026
Reporting period
Not applicable
Filed with the SEC
Apr 3, 2026
OfficerTax withholding
Context
Classification
tax withholding
Code F — shares delivered to pay exercise price or tax liability
Planned / mechanical clue
Tax mechanics (code F)
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001834221-26-000003
Filed / recorded
Apr 3, 2026, 8:06 PM UTC
Added to OQRO
Oct 6, 2026, 10:14 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
Certara, Inc.
Issuer CIK
1827090
Ticker
CERT
Reporting person
Robert Aspbury
Relationship
Officer
Officer title
PRESIDENT, PREDICTIVE TECH
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Apr 1, 2026
Transaction code
F
Shares / units
4,760
Price per share
$5.70
Acquired / disposed
Disposed (D)
Shares owned after
324,393
Ownership form
Direct
Amendment
No
Footnotes from the filing
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.
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.