CHANG DAVID J. (Chief Medical Officer) purchased 8.80K shares of CABALETTA BIO, INC. on the open market
Open‑market purchase worth $19.9K. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 1/21/2026ACC: 0001193125-26-018327
Officer· Chief Medical Officer
Since Oct 2019
+8.80K
Net shares
Net buyer
$19.9K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
8.80K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+8.80K
Price / share
$2.26
Trade value
$19.89K
% of position
New position
1/21/2026
0.00→8.80K
Total
Net shares
+8.80K
Net value
$19.89K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/21/2026 | P · Purchase | +8.80K | $2.26 | $19.89K | New position | 0.00 | 8.80K |
| Total | +8.80K | $19.89K | ||||||
Derivative Transactions0
No derivative transactions reported