VINCIARELLI PATRIZIO sold $5.5M of VICR
VINCIARELLI PATRIZIO (Chairman and CEO) sold 20,000 shares of VICOR CORP (VICR) at an average of $276.40 ($266.28–$288.51, $5.53M total) across 21 trades on 2026-06-05 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the CEO/Chairman’s open-market sale size, timing (June 5), and that it was executed under a pre-arranged 10b5-1 plan.
Market read
This is a primary insider-sale disclosure; it can influence short-term sentiment but is less informative than a non-10b5-1 sale.
What to watch
Traders may want to compare with prior insider activity cadence and whether other insiders/large holders are also selling around the same window.
Background
The article is an SEC Form 4 insider transaction disclosure for Vicor Corp (VICR).
Ticker impact
SEC Form 4 shows VICR CEO/Chairman sold $5.53M of VICR shares via an open-market sale under a pre-arranged 10b5-1 plan.
Likely limited/short-lived negative bias unless follow-on selling or other fundamentals emerge.
The filing is primary-source and sizable, but it explicitly references a pre-arranged 10b5-1 plan, which typically dampens interpretation as new negative information.
Market effects
No direct sector read-through; this is company-specific insider liquidity/positioning.
None indicated.
None indicated.
Counterpoint
Because the trades were executed under a pre-arranged 10b5-1 plan, the sale may reflect routine diversification rather than a change in outlook.
Key entities
- issuerVICOR CORP
Company whose shares were sold by its CEO/Chairman under a 10b5-1 plan.
- insiderVINCIARELLI PATRIZIO
Chairman and CEO (also officer/director/10% owner) who sold $5.53M of VICR shares.

