Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2022-10-19 Purchase |
2022-10-19 8:19 pm |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
8,127 | $1.2492 | $10,152 | 1,349,483 (Indirect Direct) |
View |
2022-10-18 Purchase |
2022-10-18 9:50 pm |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
141,873 | $0.9939 | $141,008 | 1,341,356 (Indirect Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-03 Option Award |
2025-03-04 4:45 pm |
N/A 2035-03-02 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
450,000 | $0 | 450,000 (Direct) |
View |
2024-03-01 Option Award |
2024-03-04 5:40 pm |
N/A 2034-02-28 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
353,000 | $0 | 353,000 (Direct) |
View |
2023-01-18 Option Award |
2023-01-27 8:54 pm |
N/A 2033-01-17 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
411,600 | $0 | 411,600 (Direct) |
View |
2022-01-31 Exercise |
2022-02-02 4:26 pm |
N/A N/A |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
50,000 | $1.01 | 1,429,160 (Direct) |
View |
2022-01-31 Exercise |
2022-02-02 4:26 pm |
N/A 2028-10-28 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
50,000 | $0 | 1,429,160 (Direct) |
View |
2022-01-18 Option Award |
2022-01-19 7:53 pm |
N/A 2032-01-17 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
380,000 | $0 | 380,000 (Direct) |
View |
2021-03-01 Option Award |
2021-03-02 9:47 pm |
N/A 2031-02-28 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
333,500 | $0 | 333,500 (Direct) |
View |
2020-12-08 Option Award |
2020-12-09 4:44 pm |
N/A 2028-10-28 |
Cabaletta Bio Inc. | CABA | Nichtberger Steven President & CEO |
93,226 | $0 | 1,242,709 (Direct) |
View |