Quick Takeaways
- Samsara BioCapital, L.P. filed SCHEDULE 13D/A for KALARIS THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (KLRS).
- Disclosed ownership: 56%.
- Date of event: 22 Dec 2025.
Samsara BioCapital, L.P. - 22 Dec 2025 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
- 22,926,692 shares
- Disclosed Ownership
- 12,953,581 shares
- Ownership
- 56%
- Form type
- SCHEDULE 13D/A
- Filing time
- 22 Dec 2025, 16:17:04 UTC
- Date of event
- 22 Dec 2025
- Previous filing
- 25 Mar 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Samsara BioCapital, L.P. disclosed 56% ownership in KALARIS THERAPEUTICS, INC. Common Stock, $0.0001 par value per share (KLRS) on 22 Dec 2025."
What Changed
- Previous schedule filing date: 25 Mar 2025.
- Current filing was accepted on 22 Dec 2025, 16:17.
Why This Matters
- 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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Samsara BioCapital, L.P. | 50% | 11,448,081 | 0 | 11,448,081 | /s/ Srinivas Akkaraju | By Samsara BioCapital GP, LLC, its General Partner, By Srinivas Akkaraju, Managing Member | 0001699737 |
| Samsara BioCapital GP, LLC | 50% | 11,448,081 | 0 | 11,448,081 | /s/ Srinivas Akkaraju | By Srinivas Akkaraju, Managing Member | 0001888829 |
| Samsara Opportunity Fund, L.P. | 6.5% | 1,500,000 | 0 | 1,500,000 | /s/ Srinivas Akkaraju | By Samsara Opportunity Fund GP, LLC, its General Partner, By Srinivas Akkaraju, Managing Member | 0002086193 |
| Samsara Opportunity Fund GP, LLC | 6.5% | 1,500,000 | 0 | 1,500,000 | /s/ Srinivas Akkaraju | By Srinivas Akkaraju, Managing Member | 0002086456 |
| Srinivas Akkaraju | 56% | 12,953,581 | 5,500 | 12,948,081 | /s/ Srinivas Akkaraju | Srinivas Akkaraju | 0001253170 |