CFSB

CFSB Bancorp, Inc. /MA/

Insider trading activity for CFSB Bancorp, Inc. /MA/, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 49 most recent Form 4 transactions.

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Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Oct 31, 2025	Denizkurt Kemal	VP-Financial Markets	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Denizkurt Kemal	VP-Financial Markets	DTOISS	9,301	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Denizkurt Kemal	VP-Financial Markets	DTOISS	2,390	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Denizkurt Kemal	VP-Financial Markets	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Shea Susan	Treasurer and COO	DTOISS◆	48,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Shea Susan	Treasurer and COO	DTOISS	2,500	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Shea Susan	Treasurer and COO	DTOISS	10,923	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Shea Susan	Treasurer and COO	DTOISS	3,147	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Shea Susan	Treasurer and COO	DTOISS	18,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	McFarland Michael E	President and CEO	DTOISS◆	64,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	McFarland Michael E	President and CEO	DTOISS	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	McFarland Michael E	President and CEO	DTOISS	17,999	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	McFarland Michael E	President and CEO	DTOISS	4,215	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	McFarland Michael E	President and CEO	DTOISS	24,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Kuropatkin Mary	VP-Retail Banking	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Kuropatkin Mary	VP-Retail Banking	DTOISS	9,940	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Kuropatkin Mary	VP-Retail Banking	DTOISS	2,381	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Kuropatkin Mary	VP-Retail Banking	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Keohane Edward J	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Keohane Edward J	Director	DTOISS	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Keohane Edward J	Director	DTOISS	10,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Keohane Edward J	Director	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Marini Stephen D	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Marini Stephen D	Director	DTOISS	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Marini Stephen D	Director	DTOISS	10,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Marini Stephen D	Director	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	O'Leary James M Jr	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	O'Leary James M Jr	Director	DTOISS	5,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	O'Leary James M Jr	Director	DTOISS	16,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Wilson Tracy L	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Wilson Tracy L	Director	DTOISS	100	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Wilson Tracy L	Director	DTOISS	100	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Wilson Tracy L	Director	DTOISS	11,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Guarnieri Robert	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Guarnieri Robert	Director	DTOISS	2,500	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Guarnieri Robert	Director	DTOISS	16,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS	200	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS	350	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS	11,940	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS	2,351	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Esselystyn William R	VP-Information Systems	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Blanchard Angela	VP-Retail Lending	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Blanchard Angela	VP-Retail Lending	DTOISS	12,540	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Blanchard Angela	VP-Retail Lending	DTOISS	2,191	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Blanchard Angela	VP-Retail Lending	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Baharian Paul N	Director	DTOISS◆	14,000	—	—	—	Open the original filing on SEC.gov
Oct 31, 2025	Baharian Paul N	Director	DTOISS	19,000	—	—	-100.0%	Open the original filing on SEC.gov
Oct 31, 2025	Baharian Paul N	Director	DTOISS	6,000	—	—	-100.0%	Open the original filing on SEC.gov

DTOISS◆—

Denizkurt Kemal · VP-Financial…Oct 31, 2025

14,000 sh

DTOISS—

Denizkurt Kemal · VP-Financial…Oct 31, 2025

9,301 sh · -100.0% own

DTOISS—

Denizkurt Kemal · VP-Financial…Oct 31, 2025

2,390 sh · -100.0% own

DTOISS—

Denizkurt Kemal · VP-Financial…Oct 31, 2025

6,000 sh · -100.0% own

DTOISS◆—