Insider trade

CEO sold ~$542K of VICR shares in the open market

Traded Oct 1, 2026 · Filed Oct 5, 2026

Vicor CorporationVICR

~$542K
Approx. value · 1,700 sh @ $319.01: 8.33M
Holds after · shares reported: −3.0%
stock since the trade · S&P 500 +2.0%, $308.59 → $299.29 on Oct 6

Why it stands out

The CEO of Vicor sold $542K of Vicor shares. The filing says it was made under a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 1, 2026
Reporting period: Not applicable
Filed with the SEC: Oct 5, 2026

CEO$500K–$1MPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$542,312

Shares × reported transaction price

Timing vs results

72 days after results of Jul 21, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $308.59 on Oct 1, 2026, 535% above its 52-week low and 19% below its high, after a 42% rise over the previous 30 trading days

52-week range $48.56 (Oct 10, 2025) to $379.78 (Jun 30, 2026), 79% of the way up, from 249 adjusted closes. 30 trading days earlier: $217.35 on Aug 19, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001193125-26-413503
Filed / recorded: Oct 5, 2026, 6:43 PM UTC
Added to OQRO: Oct 6, 2026, 9:34 PM UTC
Parser: form4-xml-v2
Data quality: Verified: identifiers matched exactly
Issuer: VICOR CORP
Issuer CIK: 751978
Ticker: VICR
Reporting person: Patrizio Vinciarelli
Relationship: Director, Officer, 10% owner
Officer title: Chairman & CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Oct 1, 2026
Transaction code: S
Shares / units: 1,700
Price per share: $319.01
Acquired / disposed: Disposed (D)
Shares owned after: 8,332,790
Ownership form: Direct
Amendment: No

Footnotes from the filing

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 26, 2026.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.5800 and $319.3000.