// company-profile

Cabaletta Bio, Inc.

CABA
ExchangeNasdaqSectorBiological Products, (No Diagnostic Substances)Inc.DEFilings67Insiders12
// api This Cabaletta Bio, 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, 5 insiders purchased shares. Buying was led by Brun Scott C..

// 90-day insight

Over the last 90 days, Cabaletta Bio, Inc. insiders bought $0 across 5 transactions with no open-market sales.

  • Most active insider: Brun Scott C. with 1 transaction totaling $0.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Cabaletta Bio, Inc. as of 2026-03-31

↑ increasing
Total reported AUM
$199.2M
QoQ change
+42.1%
Reporting period
2026-03-31
#1
Bain Capital Life Sciences Investors, LLC
CIK 1703031
$26.0M
9.7M shares
#2
JENNISON ASSOCIATES LLC
CIK 53417
$24.1M
9.0M shares
#3
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 1165408
$23.8M
8.8M 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 9, 2026Brun Scott C.CABA
Award
22,000$0.00$0K
Jun 9, 2026Tomasello ShawnCABA
Award
22,000$0.00$0K
Jun 9, 2026HENRIQUES RICHARD C JRCABA
Award
22,000$0.00$0K
Jun 9, 2026Simon MarkCABA
Award
22,000$0.00$0K
Jun 9, 2026Bollard CatherineCABA
Award
22,000$0.00$0K

45 more transactions hidden

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