Company profile
Cabaletta Bio, Inc. Insider Trading
CABAEvery SEC Form 4 insider trading filing for Cabaletta Bio, Inc. (CABA) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Biological Products, (No Diagnostic Substances)
- CIK
- 0001759138
- Filings
- 67
- Insiders
- 12
- Last filing
- 2026-06-09
Activity summary
No insider transactions in the last 30 days. The most recent was on June 9, 2026, when Simon Mark bought 22,000 shares. 67 filings from 12 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q2 23 to Q2 26. Cabaletta Bio, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $584K.
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: Simon Mark with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | Simon Mark | CABA | Award | 22,000 | — | — |
| Jun 9, 2026 | Bollard Catherine | CABA | Award | 22,000 | — | — |
| Jun 9, 2026 | Tomasello Shawn | CABA | Award | 22,000 | — | — |
| Jun 9, 2026 | Henriques Richard C Jr | CABA | Award | 22,000 | — | — |
| Jun 9, 2026 | Brun Scott C. | CABA | Award | 22,000 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Cabaletta Bio, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →