WSBK
insider transactionsWinchester Bancorp, Inc./MD/ — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 4 different insiders made open-market purchases in the last 90 days, totalling $145.3K.
Net shares · 90d
+11.3K
11.3K buy · 0 sell
Net value · 90d
$145.3K
$145.3K in · $0 out
Sentiment · 90d
Net buying
100% buying · 0% selling
Open-market trades · 90d
6
11.3K buy · 0 sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Buy·P
Director
$11.7K
915 sh · $12.76
Own +5%
-
Buy·P
John A Carroll KEY
President & CEO
$638
50 sh · $12.75
Own New
-
Buy·P
Director
$2.6K
200 sh · $12.77
Own +1%
-
Buy·P
Director
$19.5K
1.5K sh · $12.79
Own +8%
-
Other·G
Director
$0
200 sh
Own -50%
-
Other·G
Director
$0
600 sh
Own -3%
-
Buy·P
Director
$78.6K
6.1K sh · $12.87
Own +49%
-
Buy·P
Director
$32.3K
2.5K sh · $12.93
Own New
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 26, 2026 | Edward J Merritt | Buy P | 915 | $11.7K |
| May 21, 2026 | John A Carroll KEY | Buy P | 50 | $638 |
| May 7, 2026 | John Ingalls Snow III | Buy P | 200 | $2.6K |
| May 7, 2026 | John Ingalls Snow III | Buy P | 1.5K | $19.5K |
| May 5, 2026 | John Ingalls Snow III | Other G | 200 | $0 |
| May 5, 2026 | John Ingalls Snow III | Other G | 600 | $0 |
| May 5, 2026 | John Ingalls Snow III | Buy P | 6.1K | $78.6K |
| May 1, 2026 | Stephen Harry Boodakian | Buy P | 2.5K | $32.3K |
About WSBK insider trading
This page tracks insider transactions for Winchester Bancorp, Inc./MD/ (WSBK) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.