4
Changes in Ownership
Cabaletta Bio, Inc. Filed Acc 0000950170-25-074808
Options or other derivatives
- Chief Medical Officer acquired 801,283 shares (grant or award)
- Chief Medical Officer returned 801,283 shares (to the company)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Derivatives | |||||||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −185,709 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +185,709 | 185,709 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −48,836 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +48,836 | 48,836 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −38,238 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +38,238 | 38,238 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −113,500 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +113,500 | 113,500 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −135,000 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +135,000 | 135,000 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −150,000 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +150,000 | 150,000 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Returned to the company · Stock Option (Right to Buy) | −130,000 | 0 | D | ||
| Chang David J. Chief Medical Officer | 2025-05-19 | Grant or award · Stock Option (Right to Buy) | +130,000 | 130,000 | D | ||
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