WSBF · Insider trading · 13F holders · Congress trades
Waterstone Financial, Inc. (WSBF)
Who is buying and selling WSBF: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $172K
- Congress trades, 12 months
- 0
WSBF at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 WSBF insider filed 1 sale worth $172K on SEC Form 4, and no open-market purchases.
- 2 13F filers hold WSBF among their 50 largest positions, worth $3.3M combined. The biggest bets by portfolio weight are Fourthstone LLC (1.5%) and Teton Advisors, LLC (0.7%).
- No member of Congress has disclosed a trade in WSBF.
- WSBF last closed at $19.83 on Oct 29, 2026.
WSBF insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 WSBF insider filed 1 sale worth $172K on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | Gordon Ryan J | EVP/Chief Credit Officer | Sale | 8,157 | $21.14 | $172K | SEC |
Who owns WSBF? Hedge funds and superinvestors
2 13F filers hold WSBF among their 50 largest positions, worth $3.3M combined. The biggest bets by portfolio weight are Fourthstone LLC (1.5%) and Teton Advisors, LLC (0.7%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Fourthstone LLCHedge fund | 1.5% | $2.1M | 98,910 | -66.0% shares | Q2 2026 |
| Teton Advisors, LLCMutual fund manager | 0.7% | $1.2M | 59,000 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen WSBF in the grand portfolio →
WSBF stock trades by members of Congress
No member of Congress has disclosed a trade in WSBF.
WSBF questions and answers
Are insiders buying WSBF stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 WSBF insider filed 1 sale worth $172K on SEC Form 4, and no open-market purchases.
Which hedge funds own WSBF?
2 13F filers hold WSBF among their 50 largest positions, worth $3.3M combined. The biggest bets by portfolio weight are Fourthstone LLC (1.5%) and Teton Advisors, LLC (0.7%).
Has Congress traded WSBF?
No member of Congress has disclosed a trade in WSBF.
Who is the largest holder of WSBF?
Among 13F filers, Fourthstone LLC reports the largest WSBF position, $2.1M (98,910 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Fourthstone LLC's: 1.5% of its portfolio.
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