Binder Gwendolyn 4

What Happened

• Gwendolyn Binder, President, Science & Technology at Cabaletta Bio (CABA), made an open-market/private purchase of 11,312 shares on 2026-01-21 at $2.19 per share, a total transaction value of about $24,763. This was a direct purchase (Form 4 code P), a net buy rather than a sale.

Key Details

• Transaction date and price: 2026-01-21 at $2.19 per share.
• Shares acquired: 11,312; total value: ~$24,763.
• Transaction type: Purchase (Form 4 code P — listed as open market or private purchase).
• Shares owned after transaction: not specified in the provided filing excerpt.
• Footnotes/notable items: no 10b5-1 plan, tax withholding, or other special footnotes indicated in the provided data.
• Filing timeliness: Report filed on 2026-01-21 for the 2026-01-21 transaction (timely per the filing date provided).

Context

• Insider purchases can be interpreted as a modestly bullish signal, but this trade is relatively small (~$25K) and should be weighed with other insider activity and company developments. No exercise, gift, or immediate resale was reported in this filing.