Fendelet Quentin A. 4

What Happened

• Quentin A. Fendelet, Corporate VP and Chief Accounting Officer of Vicor Corp. (VICR), exercised stock options and immediately sold the resulting shares on May 11, 2026. He exercised 4,963 options at $33.96 (cost $168,543) and 96 options at $41.61 (cost $3,995), acquiring 5,059 shares. Those 5,059 shares were sold in multiple open-market trades at weighted-average prices ranging roughly from $290 to $302, producing about $1.50 million in gross proceeds.

Key Details

• Transaction date: May 11, 2026; Form 4 filed May 12, 2026 (timely filing).
• Exercise details: 4,963 shares @ $33.96 (acquired for $168,543) and 96 shares @ $41.61 (acquired for $3,995).
• Sales: 5,059 shares sold in multiple open-market trades at weighted-average prices between ~$290 and ~$301, total proceeds ≈ $1,502,677. Footnotes F1–F9 list the per-trade price ranges used to compute weighted averages.
• The Form shows exercise/conversion (code M) and immediate open-market sales (code S); derivative dispositions are listed at $0 to reflect conversion of options into shares.
• Shares owned after the transaction are not specified in the data provided in this summary.

Context

• This is a common cashless exercise/sell: the insider exercised options and sold the shares immediately rather than holding them—often done to cover exercise costs and taxes or to diversify. This type of transaction is factual reporting of option exercise and subsequent open-market sales and does not by itself indicate management sentiment about the company's outlook.