Form4insider filings, from the source

Company · CIK 0001759138 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Cabaletta Bio, Inc. · CABA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

No reported common-stock activity in this period.

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 9, 2026 AForm 4 →Jun 10, 7:04 pm EDTShawn TomaselloDirector22,000——22,000—
Jun 9, 2026 AForm 4 →Jun 10, 6:59 pm EDTMark SimonDirector22,000——22,000—
Jun 9, 2026 AForm 4 →Jun 10, 6:56 pm EDTRichard C Henriques Jr.Director22,000——22,000—
Jun 9, 2026 AForm 4 →Jun 10, 6:54 pm EDTCatherine BollardDirector22,000——22,000—
Jun 9, 2026 AForm 4 →Jun 10, 6:51 pm EDTScott C. BrunDirector22,000——22,000—