John A Carroll bought $638 of WSBK stock

John A Carroll, President & CEO of Winchester Bancorp, Inc. (WSBK), bought 50 shares of WSBK stock worth $638, per an SEC Form 4 filed May 22, 2026.

It was an open-market purchase.

The trade happened on May 21, 2026, 1 day before it was made public.

WSBK has moved +8.3% since the trade date, from $12.76 to $13.82 (Nov 12, 2026 close).