Cabaletta Bio (CABA) insider buying
7 open-market purchases of CABA by Cabaletta Bio's executives and directors since January 2026, worth $286,211 in total, from SEC Form 4 filings.
The most recent: Mark Simon bought $25,219 on January 21, 2026.
The biggest buyer over the period is Steven Nichtberger: 1 purchase, $100,800.
By year
| Year | Purchases | Value |
|---|---|---|
| 2026 | 7 | $286,211 |
Biggest buyers
| Insider | Buys | Value |
|---|---|---|
| Steven Nichtberger | 1 | $100,800 |
| Steve Gavel | 1 | $50,326 |
| Shawn Tomasello | 1 | $50,222 |
| Mark Simon | 1 | $25,219 |
| Gwendolyn Binder | 1 | $24,773 |
| David J Chang | 1 | $19,888 |
| Michael Gerard | 1 | $14,982 |
Every purchase
Newest first. From SEC Form 4 filings. Insider buying across the market.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Jan 21, 2026 | Mark Simon |
11,061 | $2.28 | $25,219 | Form 4 |
| Jan 21, 2026 | David J Chang |
8,800 | $2.26 | $19,888 | Form 4 |
| Jan 21, 2026 | Gwendolyn Binder |
11,312 | $2.19 | $24,773 | Form 4 |
| Jan 21, 2026 | Michael Gerard |
6,600 | $2.27 | $14,982 | Form 4 |
| Jan 21, 2026 | Shawn Tomasello |
22,725 | $2.21 | $50,222 | Form 4 |
| Jan 21, 2026 | Steve Gavel |
22,170 | $2.27 | $50,326 | Form 4 |
| Jan 21, 2026 | Steven Nichtberger |
45,000 | $2.24 | $100,800 | Form 4 |
Questions
Are Cabaletta Bio insiders buying the stock?
7 open-market purchases of CABA by Cabaletta Bio's executives and directors since January 2026, worth $286,211 in total, from SEC Form 4 filings. The most recent: Mark Simon bought $25,219 on January 21, 2026.
What counts as insider buying here?
Open-market purchases (Form 4 code P) by officers and directors. Option exercises, grants and purchases by 10% owners are left out.
From Cabaletta Bio's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.