SIMON MARK purchased 8.1% of their position (11.06K shares) of CABALETTA BIO, INC. on the open market
Open‑market purchase worth $25.3K — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 1/21/2026ACC: 0001193125-26-018317
+11.06K
Net shares
Net buyer
$25.3K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
11.06K acquired
Non-Derivative Transactions1
Common Stock
Direct
Shares
+11.06K
Price / share
$2.28
Trade value
$25.26K
% of position
8.1%
1/21/2026
136.14K→147.21K
Total
Net shares
+11.06K
Net value
$25.26K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/21/2026 | P · Purchase | +11.06K | $2.28 | $25.26K | 8.1% | 136.14K | 147.21K |
| Total | +11.06K | $25.26K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned7K
Total
7K indirect7K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 7K | Indirect |
| Total | 7K | 7K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported