AVBC — Avidia Bancorp, Inc.
Price · 2025-08-01 → 2026-08-21
266 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2025-08-01.
Performance
Technicals
Dividends
Measured signals that fired on AVBC
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Cluster buy: three or more insiders insider | +0.63% over 21 days · t = 1.84 · n = 3,050 not distinguishable from its control group |
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-17 | Doane Thomas EVP- Human Resources | Open-market purchase | 1.7K | 22.31 | 38.5K |
| 2026-08-11 | Grimaldo Joseph F Director | Open-market purchase | 4.7K | 21.44 | 99.8K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 4.3K | 21.65 | 92.6K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 872 | 21.67 | 18.9K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 513 | 21.62 | 11.1K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 145 | 21.63 | 3.1K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 79 | 21.64 | 1.7K |
| 2026-08-11 | Saul Kennedy O Director | Open-market purchase | 13 | 21.61 | 281 |
| 2026-06-03 | Nelson Jonathan Michael CFO and Treasurer | Open-market purchase | 1.1K | 18.90 | 20.1K |
| 2026-05-29 | Cozzone Robert D President & CEO | Open-market purchase | 2.1K | 18.80 | 40.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 16.2M | 822.0K |
| WELLINGTON MANAGEMENT GROUP LLP | 15.3M | 778.4K |
| FJ Capital Management LLC | 9.8M | 497.3K |
| MILLENNIUM MANAGEMENT LLC | 6.4M | 323.0K |
| BlackRock, Inc. | 5.4M | 276.5K |
| GEODE CAPITAL MANAGEMENT, LLC | 4.3M | 219.9K |
| TWO SIGMA INVESTMENTS, LP | 4.2M | 211.1K |
| HENNESSY ADVISORS INC | 3.0M | 155.0K |
| MORGAN STANLEY | 2.4M | 123.9K |
| VANGUARD FIDUCIARY TRUST CO | 2.3M | 116.3K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-Q | 2026-08-13 | 2026-06-30 | on EDGAR ↗ |
| 4 | 2026-08-12 | 2026-08-11 | on EDGAR ↗ |
| 4 | 2026-08-12 | 2026-08-11 | on EDGAR ↗ |
| DEF 14A | 2026-08-07 | 2026-09-15 | on EDGAR ↗ |
| 8-K | 2026-08-04 | 2026-08-04 | on EDGAR ↗ |
| 4 | 2026-07-30 | 2026-02-25 | on EDGAR ↗ |
| 4 | 2026-07-30 | 2026-05-15 | on EDGAR ↗ |
| 8-K | 2026-07-27 | 2026-07-23 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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