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CIK 0001759138 · Non-accelerated filer<br>Smaller reporting company

Cabaletta Bio, Inc.

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Ticker
CABA
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(267) 759-3100
Business address
2929 ARCH STREET, SUITE 600, PHILADELPHIA, PA, 19104
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2025-05-19 Nichtberger Steven President & CEO Grant or award · Stock Option (Right to Buy) +411,600 411,600
2025-05-19 Nichtberger Steven President & CEO Returned to the company · Stock Option (Right to Buy) −353,000 0
2025-05-19 Nichtberger Steven President & CEO Grant or award · Stock Option (Right to Buy) +353,000 353,000
2025-05-19 Gerard Michael General Counsel Returned to the company · Stock Option (Right to Buy) −100,000 0
2025-05-19 Gerard Michael General Counsel Grant or award · Stock Option (Right to Buy) +100,000 100,000
2025-05-19 Gerard Michael General Counsel Returned to the company · Stock Option (Right to Buy) −75,000 0
2025-05-19 Gerard Michael General Counsel Grant or award · Stock Option (Right to Buy) +75,000 75,000
2025-05-19 Gerard Michael General Counsel Returned to the company · Stock Option (Right to Buy) −112,500 0
2025-05-19 Gerard Michael General Counsel Grant or award · Stock Option (Right to Buy) +112,500 112,500
2025-05-19 Gerard Michael General Counsel Returned to the company · Stock Option (Right to Buy) −100,000 0
2025-05-19 Gerard Michael General Counsel Grant or award · Stock Option (Right to Buy) +100,000 100,000
2025-05-19 HENRIQUES RICHARD C JR Director Returned to the company · Stock Option (Right to Buy) −46,428 0
2025-05-19 HENRIQUES RICHARD C JR Director Grant or award · Stock Option (Right to Buy) +46,428 46,428
2025-05-19 HENRIQUES RICHARD C JR Director Returned to the company · Stock Option (Right to Buy) −22,000 0
2025-05-19 HENRIQUES RICHARD C JR Director Grant or award · Stock Option (Right to Buy) +22,000 22,000
2025-05-19 HENRIQUES RICHARD C JR Director Returned to the company · Stock Option (Right to Buy) −22,000 0
2025-05-19 HENRIQUES RICHARD C JR Director Grant or award · Stock Option (Right to Buy) +22,000 22,000
2025-05-19 HENRIQUES RICHARD C JR Director Returned to the company · Stock Option (Right to Buy) −22,000 0
2025-05-19 HENRIQUES RICHARD C JR Director Grant or award · Stock Option (Right to Buy) +22,000 22,000
2025-05-19 Tomasello Shawn Director Returned to the company · Stock Option (Right to Buy) −44,000 0

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