CFSB Bancorp, Inc. /MA/ (CFSB)
Latest CFSB Insider Trades
About CFSB Bancorp, Inc. /MA/ (CFSB)
90-Day SEC Filing Activity
No Form 4 activity for CFSB in the last 90 days.
CFSB Insider Transactions (Form 4)
4912 Form 4 filings on record, the earliest from Oct 31, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| William R. Esselystyn - Officer | Derivative | Stock Options | 14,000 |
CFSB Insider Trading - FAQ
What is the latest insider trade for CFSB?
CFSB Bancorp, Inc. /MA/ (CFSB) has filed no insider reports in the last 90 days. The most recent on record is dated 2025-10-31. The full record for CFSB runs to 12 Form 4 filings, the earliest from 2025-10-31. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying CFSB stock?
No insider purchases of CFSB were filed in the last 90 days.
How many insiders are selling CFSB stock?
No insider sales of CFSB were filed in the last 90 days.
Where can I see CFSB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks CFSB Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow CFSB insider buys?
Create a free InsiderAlpha account and press Watch on this page to add CFSB to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - William R. Esselystyn view on EDGAR
- - Robert Guarnieri view on EDGAR
- - Tracy L. Wilson view on EDGAR
- - James M. O'Leary Jr. view on EDGAR
- - Stephen D. Marini view on EDGAR
- - Edward J. Keohane view on EDGAR
- - Mary Kuropatkin view on EDGAR
- - Angela Blanchard view on EDGAR
- - Michael E. McFarland view on EDGAR
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity by sector
- Where buying and selling is concentrated across the eleven GICS sectors.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track CFSB insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
