Jonathan Michael Nelson - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Jonathan Michael Nelson has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $564K. Historical track record: 3/5 stars across 7 tracked purchases.
Profile
Jonathan Michael Nelson is CFO and Treasurer at Avidia Bancorp, Inc. (AVBC). Nelson has reported 8 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | CFO and Treasurer |
|---|---|
| Notability | 34/100 |
Board memberships
- Avidia Bancorp, Inc.
Reported roles
- CFO and Treasurer
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 57% |
| 90-day win rate | 100% |
| Avg 5-day return | +0.84% |
| Avg 30-day return | +1.92% |
| Avg 90-day return | +3.84% |
| Best 30-day return | +7.75% |
Trading Pattern
InsiderAlpha's records for Jonathan Michael Nelson go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $63K (9 buys totaling $564K). The largest single buy on record is $143K of AVBC in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Jonathan Michael Nelson has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- CFO and Treasurer at Avidia Bancorp, Inc. (AVBC) - 7 filings, 2025 to 2026
- EVP and CFO at Avidia Bancorp, Inc. (AVBC) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-03 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 1.1K | $18.90 | $20K |
| 2026-03-10 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 2.6K | $19.39 | $50K |
| 2025-11-25 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 3.2K | $15.41 | $50K |
| 2025-09-03 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 3.2K | $15.45 | $50K |
| 2025-08-28 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 2.7K | $15.47 | $42K |
| 2025-08-28 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 500 | $15.47 | $8K |
| 2025-08-27 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 6.6K | $15.08 | $100K |
| 2025-08-11 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 9.9K | $14.45 | $143K |
| 2025-08-05 | AVBC | Avidia Bancorp, Inc. | P - Open-market purchase | 7.0K | $14.40 | $101K |
Companies - Last 90 Days
- Avidia Bancorp, Inc. (AVBC) - 1 filing, last 2026-06-03
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Jonathan Michael Nelson has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Robert D. Cozzone - $1.06M of AVBC open-market activity in the last 12 months
- Barry H. Jensen - $596K of AVBC open-market activity in the last 12 months
- Nicolas Karmelek - $421K of AVBC open-market activity in the last 12 months
- Michael Neil Flanigan - $326K of AVBC open-market activity in the last 12 months
- Michael Dennis Murphy - $290K of AVBC open-market activity in the last 12 months
- Thomas Doane - $255K of AVBC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
Frequently Asked Questions
Who is Jonathan Michael Nelson?
Jonathan Michael Nelson is CFO and Treasurer at Avidia Bancorp, Inc. (AVBC). Nelson has reported 8 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Jonathan Michael Nelson submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Jonathan Michael Nelson been buying or selling stock?
Recorded transactions: 9 open-market purchases ($564K) and 0 open-market sales across all tracked filings.
How accurate is Jonathan Michael Nelson's historical track record?
Across 7 tracked purchases, Jonathan Michael Nelson averaged +1.9% avg 30-day return with a 57% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
Where can I see all of Jonathan Michael Nelson's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Jonathan Michael Nelson profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.