Catalyst Bancorp CLST Insider Ownership

Updated Nov 4, 2026

In the last 12 months, insiders at Catalyst Bancorp made open-market purchases of $99,893 (6.2K shares) and open-market sales of $96,210 (6K shares).

• Among CLST insiders, Kirk E. Kleiser (Director) bought the most stock on the open market in the past 12 months: $99,893 (6.2K shares), most recently on June 10, 2026.
• Conversely, Kirk E. Kleiser (Director) was CLST's largest open-market seller in the past 12 months, with $96,210 of sales (6K shares); the latest was on June 10, 2026.
• Away from the open market, CLST insiders received 7.35K shares in stock awards, acquired 17.46K shares through option exercises and conversions and gave up 1.97K shares to cover taxes or exercise prices over the last 12 months.
• Per Business Quant data, Catalyst Bancorp insiders hold 354.47K shares in total based on their latest Form 4 filings, up 9.19% from 324.65K shares at the end of Q2 2026 and up 5.68% from 335.43K shares at the end of Q3 2025.
• Direct holdings account for 227.16K shares (64.09%) of CLST's insider total, and indirect holdings through trusts, partnerships and family members for 127.31K shares (35.91%).
• Business Quant counts 10 insiders with holdings in Catalyst Bancorp stock, among the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• CLST's largest insider holders by reported holdings are Joseph B. Zanco (President and CEO, 74.01K shares), Kirk E. Kleiser (Director, 70.46K shares) and Ted D. Bellard (Director, 45.4K shares).
• The holding of Joseph B. Zanco makes up 20.88% of all shares held by Catalyst Bancorp insiders.
• Institutions owned 30.42% of CLST shares as of Q2 2026; insiders' latest Form 4 filings account for about 8.79%, leaving roughly 60.79% with other investors, including the public.
• Over the trailing 12 months, 10 insiders reported transactions in CLST stock across 16 Form 4 filings.
• The insider data for CLST reflects Form 4 filings through September 18, 2026.