VINCIARELLI PATRIZIO sold $488K of VICR
VINCIARELLI PATRIZIO (Chairman and CEO) sold 1,600 shares of VICOR CORP (VICR) at $305.15 ($0.49M total) on 2026-06-04 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosure updates the insider activity record; with a 10b5-1 plan, it’s usually not a strong standalone catalyst.
Market read
Traders may briefly reassess sentiment around VICR due to insider selling, but the 10b5-1 structure limits fundamental implications.
What to watch
Check whether there is a pattern of repeated insider sales or a concurrent lack of insider buys; one Form 4 alone is often noise.
Background
This is an SEC Form 4 insider transaction for Vicor Corp, reported by its Chairman and CEO.
Ticker impact
VICR’s CEO/Chairman sold 1,600 shares in an open-market transaction disclosed on SEC Form 4 at $305.1506/share.
Low near-term impact; any reaction likely fades unless follow-on selling accelerates.
The filing specifies a pre-arranged Rule 10b5-1 plan, which typically reduces interpretive value versus discretionary sales.
Market effects
No clear sector read-through from a single planned insider sale.
None indicated.
None indicated.
Counterpoint
Because it’s a 10b5-1 plan, the sale may reflect liquidity/compensation rather than bearish expectations.
Key entities
- issuerVICOR CORP
Subject of the Form 4 insider transaction; CEO/Chairman sold shares under a pre-arranged 10b5-1 plan.
- insiderVINCIARELLI PATRIZIO
Chairman and CEO and 10% owner who executed the open-market sale.

