9 insiders reported 35 Form 4 transactions for Kalaris Therapeutics, Inc. (KLRS) over the past 18 months (most recent 2026-05-22). Recent activity: Samsara Opportunity Fund, L.P. (Insider) Buy 14,937 shares, Samsara Opportunity Fund GP, LLC (Insider) Buy 4,471 shares, Samsara BioCapital GP, LLC (Insider) Buy 244,300 shares, Samsara Opportunity Fund, L.P. (Insider) Buy 244,300 shares, Samsara Opportunity Fund GP, LLC (Insider) Buy 244,300 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | Samsara Opportunity Fund, L.P. | Insider | Buy | 14,937 | $0 |
| 2026-05-22 | Samsara Opportunity Fund GP, LLC | Insider | Buy | 4,471 | $0 |
| 2026-05-22 | Samsara BioCapital GP, LLC | Insider | Buy | 244,300 | $1.2M |
| 2026-05-22 | Samsara Opportunity Fund, L.P. | Insider | Buy | 244,300 | $1.2M |
| 2026-05-22 | Samsara Opportunity Fund GP, LLC | Insider | Buy | 244,300 | $1.2M |
| 2026-05-22 | AKKARAJU SRINIVAS | Director | Sell | 66,906 | $0 |
| 2026-05-22 | Samsara BioCapital, L.P. | Insider | Sell | 66,906 | $0 |
| 2026-05-22 | Samsara BioCapital, L.P. | Insider | Buy | 244,300 | $1.2M |
| 2026-05-22 | Samsara Opportunity Fund, L.P. | Insider | Sell | 66,906 | $0 |
| 2026-05-22 | Samsara Opportunity Fund GP, LLC | Insider | Sell | 66,906 | $0 |
| 2026-05-22 | AKKARAJU SRINIVAS | Director | Buy | 14,937 | $0 |
| 2026-05-22 | Samsara BioCapital, L.P. | Insider | Buy | 14,937 | $0 |
| 2026-05-22 | Samsara BioCapital GP, LLC | Insider | Buy | 14,937 | $0 |
| 2026-05-22 | AKKARAJU SRINIVAS | Director | Buy | 244,300 | $1.2M |
| 2026-05-22 | Samsara Opportunity Fund GP, LLC | Insider | Buy | 14,937 | $0 |
| 2026-05-22 | AKKARAJU SRINIVAS | Director | Buy | 4,471 | $0 |
| 2026-05-22 | Samsara BioCapital, L.P. | Insider | Buy | 4,471 | $0 |
| 2026-05-22 | Samsara BioCapital GP, LLC | Insider | Buy | 4,471 | $0 |
| 2026-05-22 | Samsara Opportunity Fund, L.P. | Insider | Buy | 4,471 | $0 |
| 2026-05-22 | Samsara BioCapital GP, LLC | Insider | Sell | 66,906 | $0 |
| 2026-03-23 | Hagen Brett R | Chief Accounting Officer | Sell | 1,915 | $12,869 |
| 2026-02-17 | AKKARAJU SRINIVAS | Director | Buy | 479,847 | $5.0M |
| 2026-02-17 | Samsara BioCapital, L.P. | Insider | Buy | 479,847 | $5.0M |
| 2026-02-17 | Samsara BioCapital GP, LLC | Insider | Buy | 479,847 | $5.0M |
| 2026-02-17 | Samsara Opportunity Fund, L.P. | Insider | Buy | 479,847 | $5.0M |
Source: SEC Form 4 filings · as of 2026-05-22