Key facts
- Samsara BioCapital, L.P. filed SCHEDULE 13D/A for KALARIS THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (KLRS).
- Disclosed ownership: 54%.
- Date of event: 20 May 2026.
Samsara BioCapital, L.P. - 20 May 2026 SCHEDULE 13D/A Report for KALARIS THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (KLRS)
- Filing Manager
- Samsara BioCapital, L.P.
- Reporting Manager
- Srinivas Akkaraju
- Symbol
- KLRS
- Shares outstanding
- 23,801,814 shares
- Disclosed Ownership
- 12,900,583 shares
- Ownership
- 54%
- Form type
- SCHEDULE 13D/A
- Filing time
- 22 May 2026, 19:48:28 UTC
- Date of event
- 20 May 2026
- Previous filing
- 22 Dec 2025
- SEC
- View on sec.gov
Key filing fact
Samsara BioCapital, L.P. disclosed 54% ownership in KALARIS THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (KLRS) on 20 May 2026.
Change
- Previous schedule filing date: 22 Dec 2025.
- Current filing was accepted on 22 May 2026, 19:48.
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 (5)
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 |
|---|---|---|---|---|---|---|---|
| Samsara BioCapital, L.P. | 45% | 10,657,028 | 0 | 10,657,028 | /s/ Srinivas Akkaraju | By Samsara BioCapital GP, LLC, its General Partner, By Srinivas Akkaraju, Managing Member | 0001699737 |
| Samsara BioCapital GP, LLC | 45% | 10,671,965 | 0 | 10,671,965 | /s/ Srinivas Akkaraju | By Srinivas Akkaraju, Managing Member | 0001888829 |
| Samsara Opportunity Fund, L.P. | 9.3% | 2,224,147 | 0 | 2,224,147 | /s/ Srinivas Akkaraju | By Samsara Opportunity Fund GP, LLC, its General Partner, By Srinivas Akkaraju, Managing Member | 0002086193 |
| Samsara Opportunity Fund GP, LLC | 9.3% | 2,224,147 | 0 | 2,224,147 | /s/ Srinivas Akkaraju | By Srinivas Akkaraju, Managing Member | 0002086456 |
| Srinivas Akkaraju | 54% | 12,900,583 | 8,000 | 12,900,583 | /s/ Srinivas Akkaraju | Srinivas Akkaraju | 0001253170 |
CIK / CUSIP context first