NICHTBERGER STEVEN (President & CEO) purchased 4.6% of their position (45K shares) of CABALETTA BIO, INC. on the open market
Open‑market purchase worth $100.8K — a small addition. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 1/21/2026ACC: 0001193125-26-018318
DirectorOfficer· President & CEO
Since Oct 2019
+45K
Net shares
Net buyer
$100.8K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
45K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+45K
Price / share
$2.24
Trade value
$100.78K
% of position
4.6%
1/21/2026
986.48K→1.03M
Total
Net shares
+45K
Net value
$100.78K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/21/2026 | P · Purchase | +45K | $2.24 | $100.78K | 4.6% | 986.48K | 1.03M |
| Total | +45K | $100.78K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned363K
Total
363K indirect363K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 363K | Indirect |
| Total | 363K | 363K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported