Michael McNamara - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Michael McNamara has filed 3 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $7.12M.
Profile
Michael McNamara is General Manager Mfg. Ops. at VICOR CORP (VICR). McNamara has reported 4 insider filings with the SEC since 2026. The most recent filing was in June 2026.
| Role | Corp. VP-General Mrg. Ops. |
|---|---|
| Notability | 20/100 |
Board memberships
- VICOR CORP
Reported roles
- General Manager Mfg. Ops.
Trading Pattern
InsiderAlpha's records for Michael McNamara go back to 2026: 4 primary Form 4 filings, an average of 4.0 per year. 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 Michael McNamara 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.
- Corp. VP-General Mrg. Ops. at VICOR CORP (VICR) - 1 filing, 2026
- General Manager Mfg. Ops., Director at VICOR CORP (VICR) - 2 filings, 2026
- General Manager Mfg. Ops. at VICOR CORP (VICR) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-12 | VICR | VICOR CORP | S - Open-market sale | 10.0K | $309.00 | $3.09M |
| 2026-05-12 | VICR | VICOR CORP | M - Option exercise | 10.0K | $69.04 | $690K |
| 2026-05-12 | VICR | VICOR CORP | S - Open-market sale | 7.1K | $309.00 | $2.19M |
| 2026-05-12 | VICR | VICOR CORP | M - Option exercise | 7.1K | $33.96 | $241K |
| 2026-05-12 | VICR | VICOR CORP | S - Open-market sale | 1.5K | $309.00 | $468K |
| 2026-05-12 | VICR | VICOR CORP | M - Option exercise | 1.5K | $75.43 | $114K |
| 2026-03-18 | VICR | VICOR CORP | S - Open-market sale | 5.5K | $190.07 | $1.05M |
| 2026-03-18 | VICR | VICOR CORP | M - Option exercise | 5.5K | $41.61 | $229K |
| 2026-03-18 | VICR | VICOR CORP | S - Open-market sale | 1.7K | $190.07 | $317K |
| 2026-03-18 | VICR | VICOR CORP | M - Option exercise | 1.7K | $60.61 | $101K |
Companies - Last 90 Days
- VICOR CORP (VICR) - 3 filings, last 2026-06-24
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Michael McNamara 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.
- Patrizio Vinciarelli - $271.99M of VICR open-market activity in the last 12 months
- Claudio Tuozzolo - $13.72M of VICR open-market activity in the last 12 months
- James F. Schmidt - $8.43M of VICR open-market activity in the last 12 months
- Estia J. Eichten - $7.35M of VICR open-market activity in the last 12 months
- Philip D. Davies - $5.89M of VICR open-market activity in the last 12 months
- Andrew D'Amico - $5.65M of VICR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Andrew J. Mills
- Charles N. Mills
- Kevin J. Mills
- Mink Brook Asset Management LLC
- Shankh Mitra
- MITSUI SUMITOMO INSURANCE CO LTD
- Arturo R. Moreno
- Matthew T. Moroun
Frequently Asked Questions
Who is Michael McNamara?
Michael McNamara is General Manager Mfg. Ops. at VICOR CORP (VICR). McNamara has reported 4 insider filings with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Michael McNamara submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Michael McNamara been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($7.12M) across all tracked filings.
Where can I see all of Michael McNamara'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 Michael McNamara profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.