Winchester Bancorp Inc (WSBK)

Over the past 90 days, Winchester Bancorp Inc. has seen six insider transactions, all of which were open-market purchases totaling $145,332.10. Four distinct insiders participated in these acquisitions, including the CEO. No insider sales were recorded during this period, as the stock price remains near its 52-week high.
Ticker: WSBK Exchange: NAS


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Insider trades have triggered activity signals for Winchester Bancorp Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Buy 26 May 2026
Value US$4,612,066.71 | Price 17.86 | Shares 14,639 (+34.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-05-27 2026-05-26 B Purchase Non-Executive Director
14,639 +34.2%
17.86
US$4,612,067
14,639 +34.2% 17.86 US$4,612,067
2026-05-22 2026-05-21 B Purchase

President & CEO

Executive Director
75,031 -21.4%
15.13
US$951,655
75,031 -21.4% 15.13 US$951,655
2026-05-08 2026-05-07 B Purchase Non-Executive Director
91,392 -12.1%
317.50
US$1,338,989
91,392 -12.1% 317.50 US$1,338,989
2026-05-08 2026-05-07 B Purchase Non-Executive Director
1,525 +8.5%
12.79
US$19,505
1,525 +8.5% 12.79 US$19,505
2026-05-06 2026-05-05 B Purchase Non-Executive Director
6,110 +48.9%
12.87
US$78,636
6,110 +48.9% 12.87 US$78,636
2026-05-05 2026-05-01 B Purchase Non-Executive Director
2,500 +inf%
12.93
US$32,325
2,500 +inf% 12.93 US$32,325
2025-06-10 2025-06-10 B Purchase Non-Executive Director
1,050 +2.1%
9.21
US$9,670
1,050 +2.1% 9.21 US$9,670
2025-05-15 2025-05-14 B Purchase Non-Executive Director
800 +1.6%
9.60
US$7,680
800 +1.6% 9.60 US$7,680
2025-05-15 2025-05-14 B Purchase Non-Executive Director
300 +0.6%
9.59
US$2,877
300 +0.6% 9.59 US$2,877
2025-05-15 2025-05-14 B Purchase Non-Executive Director
3,900 +8.7%
9.58
US$37,369
3,900 +8.7% 9.58 US$37,369
2025-05-09 2025-05-08 B Purchase Non-Executive Director
5,200 +13.1%
9.65
US$50,180
5,200 +13.1% 9.65 US$50,180
2025-05-09 2025-05-08 B Purchase Non-Executive Director
2,353 +6.3%
9.65
US$22,695
2,353 +6.3% 9.65 US$22,695
2025-05-09 2025-05-08 B Purchase Non-Executive Director
2,447 +7.0%
9.63
US$23,552
2,447 +7.0% 9.63 US$23,552
2025-05-09 2025-05-07 B Purchase Non-Executive Director
4,356 +14.2%
9.70
US$42,253
4,356 +14.2% 9.70 US$42,253
2025-05-09 2025-05-07 B Purchase Non-Executive Director
839 +2.8%
9.69
US$8,130
839 +2.8% 9.69 US$8,130
2025-05-09 2025-05-07 B Purchase Non-Executive Director
300 +1.0%
9.69
US$2,906
300 +1.0% 9.69 US$2,906
2025-05-09 2025-05-07 B Purchase Non-Executive Director
288 +1.0%
9.68
US$2,788
288 +1.0% 9.68 US$2,788
2025-05-09 2025-05-07 B Purchase Non-Executive Director
500 +1.7%
9.68
US$4,838
500 +1.7% 9.68 US$4,838
2025-05-09 2025-05-07 B Purchase Non-Executive Director
424 +1.5%
9.67
US$4,100
424 +1.5% 9.67 US$4,100
2025-05-09 2025-05-07 B Purchase Non-Executive Director
300 +1.1%
9.66
US$2,898
300 +1.1% 9.66 US$2,898
2025-05-09 2025-05-07 B Purchase Non-Executive Director
2,596 +10.2%
9.65
US$25,051
2,596 +10.2% 9.65 US$25,051
2025-05-09 2025-05-07 B Purchase Non-Executive Director
297 +1.2%
9.62
US$2,857
297 +1.2% 9.62 US$2,857
2025-05-09 2025-05-07 B Purchase Non-Executive Director
100 +0.4%
9.60
US$960
100 +0.4% 9.60 US$960
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
2,747 +12.3%
9.82
US$26,981
2,747 +12.3% 9.82 US$26,981
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
825 +3.9%
9.80
US$8,085
825 +3.9% 9.80 US$8,085
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
5,073 +31.0%
9.80
US$49,710
5,073 +31.0% 9.80 US$49,710
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
644 +4.1%
9.79
US$6,305
644 +4.1% 9.79 US$6,305
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
2,771 +21.4%
9.78
US$27,097
2,771 +21.4% 9.78 US$27,097
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
4,466 +52.7%
9.75
US$43,544
4,466 +52.7% 9.75 US$43,544
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
1,652 +24.2%
9.75
US$16,102
1,652 +24.2% 9.75 US$16,102
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
4,000 +141.7%
9.74
US$38,955
4,000 +141.7% 9.74 US$38,955
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
2,222 +370.3%
9.73
US$21,618
2,222 +370.3% 9.73 US$21,618
2025-05-06 2025-05-05 B Purchase

President & CEO

Executive Director
600 +inf%
9.60
US$5,760
600 +inf% 9.60 US$5,760