SEC Insider Transactions from Grimm Thomas L.

Last updated: 2026-03-20 21:01 UTC | Total transactions: 6

Grimm Thomas L has filed 6 insider transactions across 1 company since May 2023.

Most recent transaction: a option exercise of 3599 shares of Marathon Bancorp, Inc. /MD/ ($MBBC) on March 20, 2026.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 20, 2026 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director M Common Stock 3599 $8.13 24,393.0000 2,698,863 17.31% 0.13%
March 20, 2026 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director M Common Stock 599 $6.48 24,992.0000 2,698,863 2.46% 0.02%
March 20, 2026 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director M Stock Options 3599 $0.00 2,400.0000 2,698,863 59.99% 0.13%
March 20, 2026 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director M Stock Options 599 $0.00 900.0000 2,698,863 39.96% 0.02%
April 21, 2025 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director A Common Stock 7500 $10.00 20,794.0000 2,058,363 56.42% 0.36%
May 16, 2023 Marathon Bancorp, Inc. /MD/ $MBBC Grimm Thomas L Director A Stock Options 1092 $0.00 5,462.0000 2,105,104 24.99% 0.05%