Simon Mark bought CABA
January 21, 2026 · Form 4 insider transaction
Simon Mark bought 11,061 shares of Cabaletta Bio, Inc. at $2.28 per share, a transaction worth $25.3K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
11,061
Price
$2.28
Total value
$25.3K
InsiderSimon Mark
RoleDirector
CompanyCabaletta Bio, Inc. (CABA)
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateJanuary 21, 2026
Filing dateJanuary 21, 2026
Shares owned after147,205
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price reported in Column 4 is a weighted average price. These shares were purchased at prices ranging from $2.245 to $2.32, inclusive. The reporting person has provided to the Issuer, and undertakes to provide any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.