Latest filingSep 03, 2026Most recent Form 4
VICR
VICOR CORP
NasdaqTechnologyElectronic Components, NEC
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$129M6 sells
Net open-market-$129M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period20transactions
- M · Option exercise · dominant14 · 70%
- S · Open-market sells6 · 30%
Activity by reported role
A joint filing can contribute to multiple roles26transactions
- Director · dominant14 · 54%
- CVGS6 · 23%
- MKTG6 · 23%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeAnderson Samuel JCommon Stock · Direct
6,227Aug 20, 2026
Anderson Samuel JNon Qualified Stock Option · Direct
0Aug 20, 2026
Davies Philip DCommon Stock · Direct
4,993Sep 01, 2026
Lavie ZmiraCommon Stock · Direct
908Aug 17, 2026
Lavie ZmiraNon Qualified Stock Option · Direct
3,631Aug 17, 2026
Davies Philip DNon Qualified Stock Option · Direct
856Sep 01, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- DD-$418.2k
- AJ-$363.6k
- LZ-$187.0k
Recent filing activity
Most recent 12 transactions · color = transaction code- MOption exercise09/03$0SEC
- SSell09/03-$1.84MSEC
- SSell09/03-$12.5MSEC
- SSell09/03-$19.5MSEC
- SSell09/03-$20.7MSEC
- MOption exercise09/03$12.7MSEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$0SEC
- MOption exercise08/24$3.99MSEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
VICR transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| VICR | Davies Philip D | CVGSMKTG | exercise10b5-1 | 3.07k | $0 | M | — | 0.0% | 09/03 | 09/01 |
| VICR | Davies Philip D | CVGSMKTG | sale10b5-1 | 100 | -$1.84M | S | — | 0.0% | 09/03 | 09/01 |
| VICR | Davies Philip D | CVGSMKTG | sale10b5-1 | 700 | -$12.5M | S | — | 0.0% | 09/03 | 09/01 |
| VICR | Davies Philip D | CVGSMKTG | sale10b5-1 | 1.10k | -$19.5M | S | — | 0.0% | 09/03 | 09/01 |
| VICR | Davies Philip D | CVGSMKTG | sale10b5-1 | 1.17k | -$20.7M | S | — | 0.0% | 09/03 | 09/01 |
| VICR | Davies Philip D | CVGSMKTG | exercise10b5-1 | 3.07k | $12.7M | M | — | 0.0% | 09/03 | 09/01 |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 1.21k | $0 | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 200 | $0 | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 908 | $0 | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 754 | $0 | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 331 | $0 | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 1.21k | $3.99M | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 200 | $2.00M | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 908 | $4.00M | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 754 | $4.00M | M | +3.2% | 08/24 | 08/20 | |
| VICR | ANDERSON SAMUEL J | DIR | exercise | 331 | $1.99M | M | +3.2% | 08/24 | 08/20 | |
| VICR | Lavie Zmira | DIR | exercise | 908 | $0 | M | −19.0% | 08/19 | 08/17 | |
| VICR | Lavie Zmira | DIR | sale | 908 | -$22.7M | S | −19.0% | 08/19 | 08/17 | |
| VICR | Lavie Zmira | DIR | exercise | 908 | $4.00M | M | −19.0% | 08/19 | 08/17 | |
| VICR | ANDERSON SAMUEL J | DIR | sale | 2.07k | -$52.3M | S | −27.4% | 08/18 | 08/17 |
VICOR CORP Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at VICOR CORP?
Davies Philip D, ANDERSON SAMUEL J, Lavie Zmira.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Davies Philip D reported a sale on Sep 01, 2026 valued at $1.84M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $1,296,723.98. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.