Mark Simon - Oct 18, 2022 Form 4 Insider Report for Cabaletta Bio, Inc. (CABA)

Role: Director
Signature: /s/ Michael Gerard, Attorney-in-Fact
Stock symbol: CABA
Transactions as of: Oct 18, 2022
Transactions value $: $122,121
Form type: 4
Date filed: 10/18/2022, 09:50 PM
Previous filing: Jun 3, 2022
Next filing: Jun 2, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CABA	Common Stock	Purchase	$115K	+118K	+650.35%	$0.98^*	136K	Oct 18, 2022	Direct	F1
transaction	CABA	Common Stock	Purchase	$6.83K	+7K		$0.98^*	7K	Oct 18, 2022	By Spouse	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were purchased at prices ranging from $0.9315 to $0.99, 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 ranges set forth in footnotes (1) and (2) to this Form 4.
F2	The price reported in Column 4 is a weighted average price. These shares were purchased at prices ranging from $0.9375 to $0.9899, inclusive.

Content

The price reported in Column 4 is a weighted average price. These shares were purchased at prices ranging from $0.9315 to $0.99, 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 ranges set forth in footnotes (1) and (2) to this Form 4.

The price reported in Column 4 is a weighted average price. These shares were purchased at prices ranging from $0.9375 to $0.9899, inclusive.