Joseph B. Zanco - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Joseph B. Zanco has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $172K.
Profile
Joseph B. Zanco is a corporate insider at Catalyst Bancorp, Inc. (CLST). Zanco has reported 3 insider filings with the SEC since 2024. The most recent filing was in June 2026.
| Role | PRESIDENT AND CEO |
|---|---|
| Notability | 20/100 |
Board memberships
- Catalyst Bancorp, Inc.
Awards & honors
- Leadership in community banking
- Management of bank operations
Trading Pattern
InsiderAlpha's records for Joseph B. Zanco go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $86K (2 buys totaling $172K). The largest single buy on record is $98K of CLST in 2024. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Joseph B. Zanco has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- PRESIDENT AND CEO at Catalyst Bancorp, Inc. (CLST) - 3 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-11 | CLST | Catalyst Bancorp, Inc. | A - Grant or award | 5.3K | $0.00 | |
| 2025-09-01 | CLST | Catalyst Bancorp, Inc. | F - Tax withholding / forfeiture | 1.2K | $12.83 | $15K |
| 2024-12-04 | CLST | Catalyst Bancorp, Inc. | P - Open-market purchase | 6.2K | $11.87 | $74K |
| 2024-12-04 | CLST | Catalyst Bancorp, Inc. | P - Open-market purchase | 8.3K | $11.79 | $98K |
Companies - Last 90 Days
- Catalyst Bancorp, Inc. (CLST) - 1 filing, last 2026-06-11
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Joseph B. Zanco has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Kirk E. Kleiser - $323K of CLST open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
- Steven B. Klinsky
Frequently Asked Questions
Who is Joseph B. Zanco?
Joseph B. Zanco is a corporate insider at Catalyst Bancorp, Inc. (CLST). Zanco has reported 3 insider filings with the SEC since 2024. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Joseph B. Zanco submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Joseph B. Zanco been buying or selling stock?
Recorded transactions: 2 open-market purchases ($172K) and 0 open-market sales across all tracked filings.
Where can I see all of Joseph B. Zanco's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Joseph B. Zanco profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.