Timberland Bancorp TSBK Insider Ownership

Updated Nov 6, 2026

Over the past 12 months, Timberland Bancorp insiders sold $1.3 million of stock on the open market (31.3K shares) and made no open-market purchases.

• A count shows 10 insiders selling TSBK stock on the open market over the past 12 months and none buying.
• Matthew J. Debord (Chief Lending Officer, EVP) led open-market sales of Timberland Bancorp stock over the past 12 months with $345,276 (9K shares), most recently on February 2, 2026.
• The latest open-market trade on record is a sale of 2K shares for $95,520 by Jonathan Arthur Fischer (President/COO) on November 5, 2026.
• Apart from open-market trades, TSBK insiders received 5.29K shares in stock awards, acquired 31K shares through option exercises and conversions and gave up 2.01K shares to cover taxes or exercise prices in the past 12 months.
• According to Business Quant data, insiders at Timberland Bancorp reported 160.09K shares in total in their latest Form 4 filings, up 13.50% from 141.05K shares at the end of Q2 2026 and up 9.61% from 146.05K shares at the end of Q3 2025.
• By type of ownership, TSBK insiders hold all of their 160.09K shares directly.
• TSBK's insider total is spread across 15 insiders who have filed a Form 4 in the past two years.
• TSBK's largest insider holders by reported holdings are Robert A. Drugge (Director, 38.78K shares), Dean J. Brydon (CEO, 37.41K shares) and David Alan Smith (Director, 19.2K shares).
• The largest insider, Robert A. Drugge, holds 24.23% of TSBK's insider total.
• Institutions owned 65.80% of TSBK shares as of Q2 2026; insiders' latest Form 4 filings account for about 2.05%, leaving roughly 32.15% with other investors, including the public.
• In the past year, 14 insiders of Timberland Bancorp submitted 39 Form 4 filings reporting trades, awards or other transactions.
• These insider figures for Timberland Bancorp are based on Form 4 filings through November 5, 2026.