Insiders / Chang David J.

Chang David J.

CIK 1790552personinsider

Companies

First seen

Jan 21, 2026

Last activity

Mar 2, 2026

Companies

Company	Role	Shares held	Peak held	Trades	Latest
Cabaletta Bio, Inc. · CABA	Executive	8,800	225,000	2	—

2 positions · latest reported per filing

Company	Security	Shares	As of
Cabaletta Bio, Inc.	Common Stock	8,800	Jan 21, 2026
Cabaletta Bio, Inc.	Stock Option (Right to Buy)Derivative	225,000	Mar 2, 2026

InsidersInstitutions

This person's insider trades (Form 4), across every company.

Date	Action	Company	Value	Shares Δ	Position after	Impact
Jan 21, 2026	Buy	CABA Cabaletta Bio, Inc. Common Stock	$19.9K	+9K	8,800 <0.01% of shares	low
Mar 2, 2026	Grant	CABA Cabaletta Bio, Inc. Stock Option (Right to Buy)	—	+225K	225,000 0.13% of shares	low