Michael Gerard - 01 Sep 2021 Form 4 Insider Report for Cabaletta Bio, Inc. (CABA)

Signature
/s/ Anup Marda, Attorney-in-Fact
Issuer symbol
CABA
Transactions as of
01 Sep 2021
Net transactions value
$0
Form type
4
Filing time
03 Sep 2021, 16:10:10 UTC
Next filing
19 Jan 2022

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CABA Stock Option (Right to Buy) Award $0 +100,000 $0.000000 100,000 01 Sep 2021 Common Stock 100,000 $10.93 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option vests over four years, with 25% vesting on September 1, 2022 and the remaining shares vesting in 12 equal quarterly installments thereafter.