J. David Rosenberg Discloses Investment at EWSB Bancorp, Inc. with 5.74% Stake
J. David Rosenberg disclosed a 5.74% stake in EWSB Bancorp, Inc. through a Schedule 13D filing. The filing, accepted on July 1, 2026, follows his June 29 purchase of 20,750 shares at $10 each in a subscription offering. The move signals that Rosenberg could engage with the company as he evaluates s…