William Turner V sold $410K of GSBC stock

William Turner V, Dir of Great Southern Bancorp, Inc. (GSBC), sold 6,000 shares of GSBC stock worth $410K, per an SEC Form 4 filed May 19, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on May 18, 2026, 1 day before it was made public.

GSBC has moved +18.3% since the trade date, from $68.97 to $81.60 (Nov 11, 2026 close).