Cabaletta Bio, Inc.
Cabaletta Bio, Inc. (CABA) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · CABA · as of Jun 8, 2026
Activity summary
Buy transactions
8
P-Purchase only
Sell transactions
0
12 Months
Buy/Sell ratio
∞
Buy/Sell (by trades)
Overall sentiment
Cabaletta Bio, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
CABA insider buying and selling by quarter
CABA insider selling · CABA insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · CABA ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
CABA executive sell shares · CABA board member insider trading · CABA insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jan 21, 2026 | Chang David J. Chief Medical Officer | Purchase | 8,800 | $20K | Form 4 |
| Jan 21, 2026 | Binder Gwendolyn President, Science & Tech. | Purchase | 11,312 | $25K | Form 4 |
| Jan 21, 2026 | Tomasello Shawn Director | Purchase | 22,725 | $50K | Form 4 |
| Jan 21, 2026 | Gavel Steve Chief Commercial Officer | Purchase | 22,170 | $50K | Form 4 |
| Jan 21, 2026 | Bollard Catherine Director | Purchase | 4,405 | $10K | Form 4 |
| Jan 21, 2026 | Nichtberger Steven President & CEO · Director | Purchase | 45,000 | $101K | Form 4 |
| Jan 21, 2026 | Simon Mark Director | Purchase | 11,061 | $25K | Form 4 |
| Jan 21, 2026 | Gerard Michael General Counsel | Purchase | 6,600 | $15K | Form 4 |
Chang David J.
Chief Medical Officer
Date
Jan 21
Shares
8,800
Price
$2.26
Value
$20K
Binder Gwendolyn
President, Science & Tech.
Date
Jan 21
Shares
11,312
Price
$2.19
Value
$25K
Gavel Steve
Chief Commercial Officer
Date
Jan 21
Shares
22,170
Price
$2.27
Value
$50K
Nichtberger Steven
President & CEO · Director
Date
Jan 21
Shares
45,000
Price
$2.24
Value
$101K
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About CABA insider trading
CABA insider trades
Cabaletta Bio, Inc. (CABA) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Chang David J. (Chief Medical Officer), Binder Gwendolyn (President, Science & Tech.), Tomasello Shawn (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. CABA insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Cabaletta Bio, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
CABA insider trading · 5 questionsThe insiders of Cabaletta Bio, Inc. (CABA) include executives and directors such as Chang David J. (Chief Medical Officer), Binder Gwendolyn (President, Science & Tech.), Tomasello Shawn (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026