Chang David J.
SEC insider (Form 3/4/5 filer). CIK 0001790552. Chief Medical Officer at Cabaletta Bio, Inc. (CABA). 17 reported Form 4/5 transactions since Sep 2024; latest on Mar 2, 2026. Located in PHILADELPHIA, PA.
Companies Chang David J. has filed insider reports for
- Cabaletta Bio, Inc. (CABA): Officer, Chief Medical Officer
Chang David J.
CIK: 0001790552
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Cabaletta Bio, Inc.
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Mar 2, 2026CABA
Cabaletta Bio, Inc.
AwardDirectStock Option (Right to Buy)
225K shares- - Jan 21, 2026CABA
Cabaletta Bio, Inc.
PurchaseDirect8.8K shares at avg. $2.26$20K - May 19, 2025CABA
Cabaletta Bio, Inc.
DispositionDirectStock Option (Right to Buy)
185.7K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
DispositionDirectStock Option (Right to Buy)
48.8K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
AwardDirectStock Option (Right to Buy)
48.8K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
DispositionDirectStock Option (Right to Buy)
38.2K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
AwardDirectStock Option (Right to Buy)
38.2K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
DispositionDirectStock Option (Right to Buy)
113.5K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
AwardDirectStock Option (Right to Buy)
113.5K shares- - May 19, 2025CABA
Cabaletta Bio, Inc.
DispositionDirectStock Option (Right to Buy)
135K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 2, 2026 | CABA Cabaletta Bio, Inc. | Award Stock Option (Right to Buy) | 225,000 | - | - | Direct |
| Jan 21, 2026 | CABA Cabaletta Bio, Inc. | Purchase | 8,800 | $2.26 | $19,888 | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Disposition Stock Option (Right to Buy) | 185,709 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Disposition Stock Option (Right to Buy) | 48,836 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Award Stock Option (Right to Buy) | 48,836 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Disposition Stock Option (Right to Buy) | 38,238 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Award Stock Option (Right to Buy) | 38,238 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Disposition Stock Option (Right to Buy) | 113,500 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Award Stock Option (Right to Buy) | 113,500 | - | - | Direct |
| May 19, 2025 | CABA Cabaletta Bio, Inc. | Disposition Stock Option (Right to Buy) | 135,000 | - | - | Direct |
1-10 of 17 transactions