Trade Summary

4 months ago, Simon Mark, serving as Dir at Cabaletta Bio, Inc. (CABA), purchased 11,061 shares at $2.28 per share, for a total transaction value of $25,261.00. Following this transaction, Simon Mark now holds 154,205 shares of CABA.

This purchase represents a 8.00% increase in Simon Mark's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, January 21, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, January 21, 2026 at 6:53 PM ET, meaning the disclosure happened on the same day as the trade.

Cabaletta Bio, Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.