Quick Takeaways
- WSBK - Winchester Bancorp, Inc./MD/ has 16 insiders with reported activity on this page.
- Net insider value flow over the last year: +$9,670.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 16 Insiders of Winchester Bancorp, Inc./MD/
- Symbol
- WSBK on Nasdaq
- Location
- Winchester, MA
What Changed
- Buy value: $9,670; sell value: $0.
- Net share flow: +1,050.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$9,670.
Buys
$9,670
Shares: 1,050
Insiders: 1
Sells
$0
Shares: 0
Insiders: 0
Net
+$9,670
Shares: +1,050
Insiders: 1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 1,050 | 0 | $9,670 | $0 | +$9,670 |
Winchester Bancorp, Inc./MD/ executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Mhc Winchester Bancorp | 10%+ Owner | $47,699,224 | Mixed | 30 Apr 2025 | ||
| William Preston Hood | Director | $470,170 | +$9,671 | +2.1% | Filing P/S | 10 Jun 2025 |
| David Preston Hood | Director | Mixed | 30 Apr 2025 | |||
| Deborah Anne Carson | Director | Mixed | 30 Apr 2025 | |||
| Paula Marie Cotter | Director | Mixed | 30 Apr 2025 | |||
| John Ingalls Snow III | Director | Mixed | 30 Apr 2025 | |||
| Sara Perkins Salehpour | Director | Mixed | 30 Apr 2025 | |||
| Geoffrey Adams Curtis | Director | Mixed | 30 Apr 2025 | |||
| Alan George Macdonald | Director | Mixed | 30 Apr 2025 | |||
| Neal Joseph Harte | Director | Mixed | 30 Apr 2025 | |||
| Edward J. Merritt | Director | Mixed | 30 Apr 2025 | |||
| Paul Vincent Cheremka | Svp | Mixed | 30 Apr 2025 | |||
| John A. Carroll | President & CEO, Director | Mixed | 05 May 2025 | |||
| Connolly Carole Ann Pierce | Director | Mixed | 30 Apr 2025 | |||
| Elda Heller | EVP and CFO | Mixed | 30 Apr 2025 | |||
| Stephen Harry Boodakian | Director | Mixed | 30 Apr 2025 |
Top shareholders of Winchester Bancorp, Inc./MD/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Mhc Winchester Bancorp |
3/4/5
13D/G
|
10%+ Owner · Winchester Bancorp, MHC |
55%
from 13D/G
|
5,112,457
|
$47,699,224 | — | 30 Apr 2025 | |
| MANGROVE PARTNERS IM, LLC |
13F
|
Company |
2%
|
186,201
|
$1,945,800 | — | 31 Dec 2025 | |
| M3F, Inc. |
13F
|
Company |
1.5%
|
143,986
|
$1,505,000 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.77%
|
71,736
|
$749,641 | — | 31 Dec 2025 | |
| M3 Wealth Management, LLC |
13F
|
Company |
0.75%
|
70,000
|
$731,500 | — | 31 Dec 2025 | |
| Northstar Financial Companies, Inc. |
13F
|
Company |
0.75%
|
70,000
|
$731,500 | — | 31 Dec 2025 | |
| Integrated Wealth Concepts LLC |
13F
|
Company |
0.61%
|
57,000
|
$595,650 | — | 31 Dec 2025 | |
| Oppenheimer & Close, LLC |
13F
|
Company |
0.54%
|
50,000
|
$522,500 | — | 31 Dec 2025 | |
| William Preston Hood |
3/4/5
|
Director |
0.55%
|
51,050
|
$470,170 | +$9,671 | 10 Jun 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.29%
|
26,502
|
$276,946 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.29%
|
26,502
|
$276,945 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.27%
|
24,656
|
$257,655 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.23%
|
20,999
|
$219,440 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.22%
|
20,000
|
$209,000 | — | 31 Dec 2025 | |
| Steward Partners Investment Advisory, LLC |
13F
|
Company |
0.21%
|
19,127
|
$199,877 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.17%
|
16,082
|
$168,057 | — | 31 Dec 2025 | |
| EagleClaw Capital Managment, LLC |
13F
|
Company |
0.17%
|
16,000
|
$167,200 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.17%
|
15,500
|
$161,975 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.04%
|
4,000
|
$41,800 | — | 31 Dec 2025 | |
| EASTERN BANK |
13F
|
Company |
0.03%
|
2,500
|
$26,125 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0%
|
255
|
$2,665 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
227
|
$2,373 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
3
|
$31 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
1
|
$10 | — | 31 Dec 2025 | |
| Connolly Carole Ann Pierce |
3/4/5
|
Director |
—
class O/S missing
|
75,000
|
— | — | 30 Apr 2025 | |
| John A. Carroll |
3/4/5
|
President & CEO, Director |
—
class O/S missing
|
52,000
|
— | — | 05 May 2025 | |
| Deborah Anne Carson |
3/4/5
|
Director |
—
class O/S missing
|
44,510
|
— | — | 30 Apr 2025 | |
| Sara Perkins Salehpour |
3/4/5
|
Director |
—
class O/S missing
|
35,000
|
— | — | 30 Apr 2025 | |
| Paul Vincent Cheremka |
3/4/5
|
SVP |
—
class O/S missing
|
25,000
|
— | — | 30 Apr 2025 | |
| Alan George Macdonald |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| Edward J. Merritt |
3/4/5
|
Director |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| Elda Heller |
3/4/5
|
EVP and CFO |
—
class O/S missing
|
20,000
|
— | — | 30 Apr 2025 | |
| John Ingalls Snow III |
3/4/5
|
Director |
—
class O/S missing
|
15,000
|
— | — | 30 Apr 2025 | |
| Neal Joseph Harte |
3/4/5
|
Director |
—
class O/S missing
|
10,000
|
— | — | 30 Apr 2025 | |
| Stephen Harry Boodakian |
3/4/5
|
Director |
—
class O/S missing
|
7,500
|
— | — | 30 Apr 2025 | |
| David Preston Hood |
3/4/5
|
Director |
—
class O/S missing
|
7,000
|
— | — | 30 Apr 2025 | |
| Geoffrey Adams Curtis |
3/4/5
|
Director |
—
class O/S missing
|
5,000
|
— | — | 30 Apr 2025 | |
| Paula Marie Cotter |
3/4/5
|
Director |
—
class O/S missing
|
2,500
|
— | — | 30 Apr 2025 |
Recent Insider Transactions by Companies or Individuals for Winchester Bancorp, Inc./MD/
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| William Preston Hood | WSBK | Common Stock | Purchase | 2.1% | $9,670 | $9.21 | 1,050 | 51,050 | 10 Jun 2025 | Direct |
| William Preston Hood | WSBK | Common Stock | Purchase | 11.1% | 5,000 | 50,000 | 14 May 2025 | Direct | ||
| William Preston Hood | WSBK | Common Stock | Purchase | 28.6% | 10,000 | 45,000 | 08 May 2025 | Direct | ||
| William Preston Hood | WSBK | Common Stock | Purchase | 40% | 10,000 | 35,000 | 07 May 2025 | Direct | ||
| John A. Carroll | WSBK | Common Stock | Purchase | 25,000 | 25,000 | 05 May 2025 | By Trust |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.