Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
ARSENAL CAPITAL PARTNERS III LP - 14 Apr 2025 SCHEDULE 13D/A Report for Certara, Inc. Common Stock, par value $0.01 per share (CERT)
- Filing manager
- ARSENAL CAPITAL PARTNERS III LP
- Reporting owner
- Terry M. Mullen
- Beneficially owned shares
- 36,345,835 shares
- Large-stake signal
-
Ownership
23%Beneficial ownership of this reported class.
Shares
36,345,835 sharesShares beneficially owned as disclosed.
Event date
14 Apr 2025Date tied to the ownership event or amendment.
Accepted by SEC
14 Apr 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 23%
- Symbol
- CERT
- Shares outstanding
- 160,822,279 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 14 Apr 2025, 17:15:03 UTC
- Event date
- 14 Apr 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
4 source fields
Key filing fact
ARSENAL CAPITAL PARTNERS III LP disclosed 23% ownership in Certara, Inc. Common Stock, par value $0.01 per share (CERT) on 14 Apr 2025.
Key facts
- ARSENAL CAPITAL PARTNERS III LP filed SCHEDULE 13D/A for Certara, Inc. Common Stock, par value $0.01 per share (CERT).
- Disclosed ownership: 23%.
- Date of event: 14 Apr 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 14 Apr 2025, 17:15.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (6)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Arsenal Capital Partners III LP | 2.2% | 3,559,745 | 0 | 3,559,745 | /s/ Frank Scrudato | Frank Scrudato/Authorized Signatory | 0001541125 |
| Arsenal Capital Partners III-B LP | 1.8% | 2,831,569 | 0 | 2,831,569 | /s/ Frank Scrudato | Frank Scrudato/Authorized Signatory | |
| Arsenal Saturn Holdings LP | 19% | 29,954,521 | 0 | 29,954,521 | /s/ Terry M. Mullen | Terry M. Mullen/Managing Director | |
| Arsenal Capital Investment VI LP | 19% | 29,954,521 | 0 | 29,954,521 | /s/ Terry M. Mullen | Terry M. Mullen/Managing Director | |
| Arsenal Capital Investment III LP | 4% | 6,391,314 | 0 | 6,391,314 | /s/ Frank Scrudato | Frank Scrudato/Authorized Signatory | |
| Terry M. Mullen | 23% | 36,345,835 | 0 | 36,345,835 | /s/ Terry M. Mullen | Terry M. Mullen |
CIK / CUSIP context first