| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
General Manager Mfg. Ops. | General Manager Mfg. Ops
1 company
Michael McNamara is General Manager Mfg. Ops. at VICR. Michael McNamara's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $3.3M at current prices.
Our model assigns Michael McNamara a strong insider score of 79/100, based on 14 past trades. Over a 12-month horizon, all 11 of those trades were profitable, with an average 12-month return of +49.8%.
The VICR filings lean toward selling, a net 108,076 shares.
Michael McNamara has 33 Form 4 filings on record from February 2015 to June 2026, all as Corp. Vp-general Mrg. Ops. at Vicor (VICR), 2015–2026.
The 75 reported transactions were 30 open-market sales, 26 option exercises and 19 option or other derivative awards.
Counted by filing, the open-market trades come to no purchases and 16 sales worth about $16.9M.
The largest open-market sale was 18,618 shares of VICR at an average $309.00 on May 11, 2026, about $5.8M.
None of the 4 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| May 11, 2026 | VICR Vicor Corporation | General Manager Mfg. Ops. | Sale+OE | 18,618 | $309.00 | $5,752,962.00 | -50.6% | -33.3% | - | |
| Mar 17, 2026 | VICR Vicor Corporation | General Manager Mfg. Ops. | Sale+OE | 7,174 | $190.07 | $1,363,561.46 | -28.3% | +64.2% | - | |
| Dec 11, 2025 | VICR Vicor Corp | General Manager Mfg. Ops | Sale+OE | 4,237 | $101.23 | $428,910.93 | -18.9% | +77.1% | - | |
| Jun 16, 2023 | VICR Vicor Corp | General Manager Mfg. Ops | Sale+OE | 10,000 | $56.32 | $563,168.36 | -98.6% | +9.9% | -38.1% | |
| Nov 3, 2021 | VICR Vicor Corp | General Manager Mfg. Ops. | Sale+OE | 15,000 | $155.47 | $2,332,092.00 | -99.7% | -39.8% | -68.8% | |
| Nov 2, 2021 | VICR Vicor Corp | General Manager Mfg. Ops. | Sale+OE | 10,000 | $151.76 | $1,517,600.28 | -99.6% | -38.1% | -68.1% | |
| Oct 28, 2021 | VICR Vicor Corp | General Manager Mfg. Ops. | Sale+OE | 1,531 | $150.05 | $229,720.73 | -97.5% | -41.2% | -66.9% | |
| Oct 26, 2021 | VICR Vicor Corp | General Manager Mfg. Ops. | Sale+OE | 13,469 | $154.55 | $2,081,613.75 | -99.7% | -37.9% | -68.0% | |
| Aug 4, 2021 | VICR Vicor Corp | General Manager Mfg. Ops | Sale+OE | 8,437 | $118.89 | $1,003,114.58 | - | +27.7% | -35.8% | |
| Aug 3, 2021 | VICR Vicor Corp | General Manager Mfg. Ops | Sale+OE | 464 | $119.17 | $55,297.14 | - | +27.6% | -36.8% |