Waterstone Financial, Inc. (WSBF) Insider Trading
Over the last 3 months, WSBF insiders made 0 open-market buys and 1 sale, a net sale of -$183K (SEC Form 4). Over the last 6 months, 76 institutions increased and 84 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
1
Net (3m)
-$183.4K
Insider trades by month Buys Sells
Mar
Jul
Aug
Oct
Feb
May
Context3-month price +7.5%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 22, 2026 | Gerke Mark Raymondofficer: EVP/Chief Financial Officer | Option | 10,000 | $14.98 |
| May 22, 2026 | Gerke Mark Raymondofficer: EVP/Chief Financial Officer | Sell | 10,000 | $18.34 |
| Feb 20, 2026 | Gordon Douglas Sdirector | Sell | 2,880 | $18.11 |
| Feb 10, 2026 | Gordon Douglas Sdirector | Sell | 6,765 | $18.27 |
| Feb 6, 2026 | Gordon Douglas Sdirector | Sell | 15,000 | $18.55 |
| Feb 6, 2026 | Gordon Douglas Sdirector | Sell | 18,716 | $18.25 |
| Feb 5, 2026 | Lawton Patrick Sdirector | Sell | 19,255 | $18.64 |
| Feb 5, 2026 | Lawton Patrick Sdirector | Sell | 30,000 | $18.53 |
| Feb 4, 2026 | Glynn Julie Annofficer: EVP/Chief Retail Officer | Sell | 929 | $18.69 |
| Feb 4, 2026 | Glynn Julie Annofficer: EVP/Chief Retail Officer | Option | 20,000 | $17.35 |
| Feb 4, 2026 | Glynn Julie Annofficer: EVP/Chief Retail Officer | Sell | 20,000 | $18.17 |
| Oct 28, 2025 | Hansen Michael Ldirector | Sell | 79,872 | $15.16 |
| Aug 14, 2025 | Hansen Michael Ldirector | Sell | 109,527 | $14.05 |
| Aug 14, 2025 | Hansen Michael Ldirector | Sell | 35,290 | $13.92 |
| Aug 12, 2025 | Hansen Michael Ldirector | Sell | 2,757 | $13.80 |
| Jul 28, 2025 | Hansen Michael Ldirector | Sell | 36,465 | $13.83 |
| Jul 28, 2025 | Hansen Michael Ldirector | Sell | 100 | $13.80 |
| Jul 28, 2025 | Hansen Michael Ldirector | Sell | 761 | $13.81 |
| Mar 3, 2025 | Gerke Mark Raymondofficer: EVP/Chief Financial Officer | Sell | 2,738 | $14.14 |
| Mar 3, 2025 | Lawton Patrick Sdirector | Sell | 37,500 | $14.03 |
| Mar 3, 2025 | Lawton Patrick Sdirector | Option | 37,500 | $12.75 |
| Mar 3, 2025 | Gerke Mark Raymondofficer: EVP/Chief Financial Officer | Option | 5,000 | $12.75 |
| Feb 14, 2025 | RAPPE KRISTINE Adirector | Option | 0 | $12.75 |
| Feb 14, 2025 | RAPPE KRISTINE Adirector | Option | 22,185 | $12.75 |
| Feb 14, 2025 | RAPPE KRISTINE Adirector | Sell | 22,185 | $14.25 |
| Feb 12, 2025 | Schmidt Stephen Jdirector | Option | 6,211 | $12.75 |
| Feb 12, 2025 | Schmidt Stephen Jdirector | Option | 0 | $12.75 |
| Feb 12, 2025 | Schmidt Stephen Jdirector | Sell | 6,211 | $13.79 |
| Feb 6, 2025 | RAPPE KRISTINE Adirector | Option | 4,760 | $12.75 |
| Feb 6, 2025 | RAPPE KRISTINE Adirector | Sell | 4,760 | $13.77 |
Source: WSBF SEC Form 4 filings, latest May 22, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their WSBF positions over the last 6 months (SEC Form 13F).
Increased
76
New positions
37
Reduced
84
Sold out
16
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 1.5M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 1.5M | May 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.4M | Feb 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.4M | May 7, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.1M | Feb 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.1M | May 14, 2026 |
| VANGUARD GROUP INC | Reduced | 886K | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 700K | May 15, 2026 |
| STATE STREET CORP | Reduced | 412K | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 395K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 371K | Feb 9, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 367K | May 15, 2026 |
| FOURTHSTONE LLC | Increased | 291K | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 254K | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 250K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.