Insider · CIK 0001912196
Quentin A. Fendelet
Files at VICR (VICOR CORP). First filing Mar 4, 2024, latest May 12, 2026.
In brief
Quentin A. Fendelet files SEC Form 4 as officer at VICR (VICOR CORP). Since Mar 4, 2024, Quentin A. Fendelet has reported 0 open-market buys worth $0 and 8 open-market sells worth $5.3M, the latest filed on May 12, 2026.
A track record needs three past buys with six months of prices behind them; Quentin A. Fendelet has 0, so none is measured yet.
The newest scored trade: sold $1.5M of VICR on May 11, 2026, filed May 12, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 5 sells worth $5.2M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
VICR: VICOR CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 60Notable | VICOR CORP | $1.5M 5,059 shares | -100% | +655% from low0% from high | |
| 60Notable | VICOR CORP | $1.4M 5,060 shares | -100% | +582% from low0% from high | |
| 52Moderate | VICOR CORP | $471k 2,299 shares | -769% | +431% from low0% from high | |
| 50Moderate | VICOR CORP | $355k 2,000 shares | -100% | +336% from low0% from high | |
| 60Notable | VICOR CORP | $1.5M 16,561 shares | -10824% | +136% from low0% from high | |
| 48Moderate | VICOR CORP | $27k 440 shares | -100% | - | |
| 33Weak | VICOR CORP | $29k 458 shares | -100% | - | |
| 43Moderate | VICOR CORP | $13k 340 shares | -100% | +6% from low-60% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 11, 2026 | VICR VICOR CORPORATION | 5,059 0.01% of outstanding | $1.5M | May 11, 2026 | $2.2M |
| May 6, 2026 | VICR VICOR CORPORATION | 5,060 0.01% of outstanding | $1.4M | May 6, 2026 | $826k |
| Mar 2, 2026 | VICR VICOR CORPORATION | 2,299 0.01% of outstanding | $471k | Mar 2, 2026 | $355k |
| Feb 23, 2026 | VICR VICOR CORPORATION | 2,000 0.01% of outstanding | $355k | Feb 23, 2026 | none |
| Oct 23, 2025 | VICR VICOR CORPORATION | 16,561 0.04% of outstanding | $1.5M | Oct 23, 2025 | none |
| Mar 3, 2025 | VICR VICOR CORP | 440 0.01% of outstanding | $27k | Mar 3, 2025 | $29k |
Transactions
The newest 50 of 54 rows this insider has filed.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +4,963 | $33.96 | $169k | 4,963 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +96 | $41.61 | $3,995 | 5,059 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -700 | $290.01 | $203k | 4,359 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -262 | $291.44 | $76k | 4,097 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -238 | $292.66 | $70k | 3,859 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -497 | $293.63 | $146k | 3,362 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -100 | $295.00 | $30k | 3,262 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -533 | $297.54 | $159k | 2,729 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -200 | $299.45 | $60k | 2,529 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -1,930 | $300.13 | $579k | 599 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -599 | $301.34 | $181k | 0 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -4,963 | $0.00 | $0 | 14,889 | May 12, 2026 |
| May 11, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -96 | $0.00 | $0 | 4,529 | May 12, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +2,434 | $50.00 | $122k | 2,434 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +2,169 | $41.61 | $90k | 4,603 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +457 | $60.61 | $28k | 5,060 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -500 | $270.18 | $135k | 4,560 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -200 | $271.11 | $54k | 4,360 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -200 | $272.22 | $54k | 4,160 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -283 | $274.02 | $78k | 3,877 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -847 | $275.26 | $233k | 3,030 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -500 | $276.26 | $138k | 2,530 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -2,530 | $280.39 | $709k | 0 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -2,434 | $0.00 | $0 | 9,734 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -2,169 | $0.00 | $0 | 4,625 | May 8, 2026 |
| May 6, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -457 | $0.00 | $0 | 457 | May 8, 2026 |
| May 5, 2026 | VICR VICOR CORP | AGrant or award Non Qualified Stock Optionderivative | +2,514 | $0.00 | $0 | 2,514 | May 6, 2026 |
| Mar 2, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -299 | $204.72 | $61k | 0 | Mar 3, 2026 |
| Mar 2, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +2,000 | $71.74 | $143k | 2,000 | Mar 3, 2026 |
| Mar 2, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -2,000 | $204.72 | $409k | 0 | Mar 3, 2026 |
| Mar 2, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -2,000 | $0.00 | $0 | 2,000 | Mar 3, 2026 |
| Feb 23, 2026 | VICR VICOR CORP | MOption exercise Common Stock | +2,000 | $48.38 | $97k | 2,000 | Feb 24, 2026 |
| Feb 23, 2026 | VICR VICOR CORP | SOpen-market sale Common Stock | -2,000 | $177.72 | $355k | 0 | Feb 24, 2026 |
| Feb 23, 2026 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -2,000 | $0.00 | $0 | 0 | Feb 24, 2026 |
| Oct 23, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -153 | $84.36 | $13k | 0 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Common Stock | +4,963 | $33.96 | $169k | 4,963 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -4,963 | $88.34 | $438k | 0 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Common Stock | +915 | $60.61 | $55k | 915 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -915 | $88.34 | $81k | 0 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Common Stock | +4,530 | $41.61 | $188k | 4,530 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -4,530 | $88.34 | $400k | 0 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Common Stock | +6,000 | $71.74 | $430k | 6,000 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -6,000 | $88.34 | $530k | 0 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -4,963 | $0.00 | $0 | 19,852 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -915 | $0.00 | $0 | 914 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -4,530 | $0.00 | $0 | 6,794 | Oct 27, 2025 |
| Oct 23, 2025 | VICR VICOR CORP | MOption exercise Non Qualified Stock Optionderivative | -6,000 | $0.00 | $0 | 4,000 | Oct 27, 2025 |
| May 2, 2025 | VICR VICOR CORP | AGrant or award Non Qualified Stock Optionderivative | +12,168 | $0.00 | $0 | 12,168 | May 5, 2025 |
| Mar 3, 2025 | VICR VICOR CORP | SOpen-market sale Common Stock | -440 | $61.71 | $27k | 0 | Mar 4, 2025 |
| Feb 27, 2025 | VICR VICOR CORP | MOption exercise Common Stock | +458 | $60.61 | $28k | 458 | Mar 3, 2025 |
Questions about Quentin A. Fendelet
Answered from the filings on this page, as of the latest one.
Is Quentin A. Fendelet buying or selling?
In the last 12 months Quentin A. Fendelet reported 0 open-market buys worth $0 and 5 open-market sells worth $5.2M on SEC Form 4; the latest was sold $1.5M of VICR on May 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Quentin A. Fendelet's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Quentin A. Fendelet has 0.
Where does Quentin A. Fendelet file Form 4?
Quentin A. Fendelet has filed Form 4 at VICR (VICOR CORP) as Corp. VP-CAO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.