ECB Bancorp (ECBK)
Runs a Greater Boston thrift converted from mutual to stock form in 2022.
$23.50
Pre-market+2.42 (+11.48%)
At close$21.08(+2.28%)
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Breakdown13F · 13D/G · Form 4
| Institutions59 holders · as of Mar 31, 2026 | 30.34% | 2.66M shares | |
| Insiders5 holders · as of May 1, 2026 | 2.39% | 209.0K shares | |
| Otherremainder | 67.27% | 5.89M shares |
8.75M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Institutions13F, as of Mar 31, 2026
59 holders · 2.66M shares · 11 new positions · 25 increased · 21 reduced · 3 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| AllianceBernstein L.P. | 787.3K | 8.99% | −11.0K | May 15, 2026 |
| BlackRock, Inc. | 394.6K | 4.51% | −5.2K | May 13, 2026 |
| Vanguard Capital Management LLC | 383.9K | 4.39% | +383.9Knew | May 15, 2026 |
| Geode Capital Management, LLC | 154.2K | 1.76% | −16.5K | May 15, 2026 |
| Sachetta, LLC | 118.9K | 1.36% | 0 | May 1, 2026 |
| Renaissance Technologies LLC | 87.9K | 1.00% | −4.5K | May 14, 2026 |
| State Street Corp | 79.6K | 0.91% | +4.3K | May 15, 2026 |
| Northern Trust Corp | 63.4K | 0.72% | +1.1K | May 14, 2026 |
Ownership statements13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Apr 30, 2026 | Brandon Lavertuofficer: CFO | Purchase · 4 lots | 40 | $17.89 | 32,423 |
| Feb 9, 2026 | Maura Ellen Sullivandirector | Purchase | 2,200 | $18.50 | 5,700 |
| Dec 8, 2025 | Maura Ellen Sullivandirector | Purchase · 10 lots | 2,937 | $16.83 | 2,937 |
| Dec 9, 2025 | Maura Ellen Sullivandirector | Purchase · 3 lots | 563 | $16.98 | 3,500 |
| Sep 16, 2025 | Richard J. Jr O'Neildirector, officer: President and CEO | Purchase | 1,250 | $15.85 | 27,355 |
CongressHouse and Senate disclosures
Not reported.