Steve Gavel - 13 Oct 2025 Form 4 Insider Report for Cabaletta Bio, Inc. (CABA)

Role
CHIEF COMMERCIAL OFFICER
Signature
/s/ Michael Gerard, Attorney-in-Fact
Issuer symbol
CABA
Transactions as of
13 Oct 2025
Net transactions value
$0
Form type
4
Filing time
15 Oct 2025, 16:39:25 UTC
Next filing
21 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gavel Steve CHIEF COMMERCIAL OFFICER C/O CABALETTA BIO, INC., 2929 ARCH STREET, SUITE 600, PHILADELPHIA /s/ Michael Gerard, Attorney-in-Fact 15 Oct 2025 0002090785

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 +275,000 $0.000000 275,000 13 Oct 2025 Common Stock 275,000 $2.49 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option has been granted pursuant to the Cabaletta Bio, Inc. 2025 Inducement Plan as a material inducement to the Reporting Person's acceptance of employment with the Issuer in accordance with NASDAQ Listing Rule 5635(c)(4).
F2 25% of the shares underlying this option shall vest and become exercisable on October 13, 2026, with the remainder vesting in twelve substantially equal quarterly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.