// company-profile

Kalaris Therapeutics, Inc.

KLRS
ExchangeNasdaqSectorBiological Products, (No Diagnostic Substances)Inc.DEFilings149Insiders26
// api This Kalaris Therapeutics, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares. Buying was led by Ferrara Napoleone.

// 90-day insight

Over the last 90 days, Kalaris Therapeutics, Inc. insiders bought $1.2M across 8 transactions with no open-market sales.

  • Most active insider: AKKARAJU SRINIVAS with 5 transactions totaling $1.2M.
  • Largest single purchase: $1.2M by AKKARAJU SRINIVAS on May 20, 2026.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Kalaris Therapeutics, Inc. as of 2026-03-31

↓ decreasing
Total reported AUM
$106.9M
QoQ change
-29.5%
Reporting period
2026-03-31
#1
SAMSARA BIOCAPITAL, LLC
CIK 1744967
$74.7M
12.9M shares
#2
RTW INVESTMENTS, LP
CIK 1493215
$7.5M
1.3M shares
#3
Paradigm Biocapital Advisors LP
CIK 1855655
$4.0M
700K shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 3, 2026Ferrara NapoleoneKLRS
Award
9,000$0.00$0K
Jun 3, 2026Hallal DavidKLRS
Award
9,000$0.00$0K
Jun 3, 2026Jovan-Embiricos MoranaKLRS
Award
9,000$0.00$0K
Jun 3, 2026Dybbs MichaelKLRS
Award
9,000$0.00$0K
Jun 3, 2026PATTERSON LEONE DKLRS
Award
9,000$0.00$0K

45 more transactions hidden

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