Key facts
- Longitude Capital Partners V, LLC filed SCHEDULE 13G/A for CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX).
- Disclosed ownership: 7%.
- Date of event: 31 Mar 2026.
Longitude Capital Partners V, LLC - 31 Mar 2026 SCHEDULE 13G/A Report for CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX)
- Filing Manager
- Longitude Capital Partners V, LLC
- Reporting Manager
- Patrick G. Enright
- Symbol
- CTMX
- Shares outstanding
- 218,406,586 shares
- Disclosed Ownership
- 15,288,461 shares
- Ownership
- 7%
- Form type
- SCHEDULE 13G/A
- Filing time
- 15 May 2026, 16:46:04 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 20 May 2025
- SEC
- View on sec.gov
Key filing fact
Longitude Capital Partners V, LLC disclosed 7% ownership in CytomX Therapeutics, Inc. Common Stock, $0.00001 par value per share (CTMX) on 31 Mar 2026.
Change
- Previous schedule filing date: 20 May 2025.
- Current filing was accepted on 15 May 2026, 16:46.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (6)
Names, ownership, 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 |
|---|---|---|---|---|---|---|---|
| Longitude Capital Partners V, LLC | 5.7% | 12,458,461 | 0 | 12,458,461 | /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, Authorized Signatory | |
| Longitude Venture Partners V, L.P. | 5.7% | 12,458,461 | 0 | 12,458,461 | /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, Authorized Signatory | |
| Longitude 103.8 East Partners, LLC | 1.3% | 2,830,000 | 0 | 2,830,000 | /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, Authorized Signatory | |
| Longitude 103.8 East, L.P. | 1.3% | 2,830,000 | 0 | 2,830,000 | By Longitude 103.8 East Partners, LLC, General Partner, /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, Authorized Signatory | |
| Patrick G. Enright | 7% | 15,288,461 | 0 | 15,288,461 | /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, as attorney-in-fact for Patrick G. Enright | |
| Juliet Tammenoms Bakker | 7% | 15,288,461 | 0 | 15,288,461 | /s/ Cristiana Blauth Oliveira | Cristiana Blauth Oliveira, as attorney-in-fact for Juliet Tammenoms Bakker |
CIK / CUSIP context first