Insider at

04

Insider transactions

05
0 buys (P) 11 sells (S) Net: $-5,298,475 + 36 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

36 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 12, 2026 VICR S 1,575 $286.91 $451,883 42 Direct -97.40% Disposed 6.5% (price as of 2026-10-05)
May 12, 2026 VICR S 2,466 $286.91 $707,520 42 Direct -98.33% Disposed 6.5% (price as of 2026-10-05)
April 23, 2026 VICR S 6,000 $259.90 $1,559,400 42 Direct -99.30% Disposed 17.6% (price as of 2026-10-05)
April 23, 2026 VICR S 2,000 $259.90 $519,800 42 Direct -97.94% Disposed 17.6% (price as of 2026-10-05)
Feb. 23, 2026 VICR S 738 $172.83 $127,549 42 Direct -94.62% Disposed 76.8% (price as of 2026-10-05)
Feb. 23, 2026 VICR S 1,162 $172.83 $200,828 42 Direct -96.51% Disposed 76.8% (price as of 2026-10-05)
Feb. 23, 2026 VICR S 2,000 $172.83 $345,660 42 Direct -97.94% Disposed 76.8% (price as of 2026-10-05)
Feb. 23, 2026 VICR S 3,000 $172.83 $518,490 42 Direct -98.62% Disposed 76.8% (price as of 2026-10-05)
Feb. 23, 2026 VICR S 1,013 $172.83 $175,077 42 Direct -96.02% Disposed 76.8% (price as of 2026-10-05)
Oct. 23, 2025 VICR S 4,933 $88.48 $436,472 42 Direct -99.16% Disposed 245.4% (price as of 2026-10-05)
Oct. 23, 2025 VICR S 2,891 $88.48 $255,796 42 Direct -98.57% Disposed 245.4% (price as of 2026-10-05)
May 8, 2024 VICR S 427 $33.10 $14,134 42 Direct -91.04% Disposed 823.3% (price as of 2026-10-05)
Aug. 1, 2023 VICR S 25 $88.37 $2,209 42 Direct -37.31% Disposed 245.8% (price as of 2026-10-05)
July 27, 2023 VICR S 500 $95.58 $47,790 379 Direct -56.88% Disposed 219.7% (price as of 2026-10-05)
July 27, 2023 VICR S 849 $95.25 $80,867 379 Direct -69.14% Disposed 220.9% (price as of 2026-10-05)
July 27, 2023 VICR S 312 $95.25 $29,718 67 Direct -82.32% Disposed 220.9% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 12, 2026 VICR Non Qualified Stock Option Common Stock (1,575) $50.00 May 2, 2028 1,575 Disposed
May 12, 2026 VICR Non Qualified Stock Option Common Stock (2,466) $41.61 May 2, 2028 2,466 Disposed
May 5, 2026 VICR Non Qualified Stock Option Common Stock (1,514) $266.00 · 1,514 Acquired
April 23, 2026 VICR Non Qualified Stock Option Common Stock (6,000) $46.96 April 3, 2033 6,000 Disposed
April 23, 2026 VICR Non Qualified Stock Option Common Stock (2,000) $69.04 June 24, 2030 2,000 Disposed
Feb. 23, 2026 VICR Non Qualified Stock Option Common Stock (738) $75.43 · 738 Disposed
Feb. 23, 2026 VICR Non Qualified Stock Option Common Stock (1,162) $60.61 · 1,162 Disposed
Feb. 23, 2026 VICR Non Qualified Stock Option Common Stock (2,000) $48.38 Jan. 16, 2028 2,000 Disposed
Feb. 23, 2026 VICR Non Qualified Stock Option Common Stock (3,000) $24.15 Oct. 2, 2027 3,000 Disposed
Feb. 23, 2026 VICR Non Qualified Stock Option Common Stock (1,013) $69.04 June 24, 2030 1,013 Disposed
Oct. 23, 2025 VICR Non Qualified Stock Option Common Stock (4,933) $41.61 · 4,933 Disposed
Oct. 23, 2025 VICR Non Qualified Stock Option Common Stock (2,891) $33.96 · 2,891 Disposed
May 2, 2025 VICR Non Qualified Stock Option Common Stock (7,874) $50.00 · 7,874 Acquired
Jan. 16, 2025 VICR Non Qualified Stock Option Common Stock (2,000) $48.38 Jan. 16, 2028 2,000 Acquired
May 8, 2024 VICR Non Qualified Stock Option Common Stock (427) $6.77 July 21, 2024 427 Disposed
May 3, 2024 VICR Non Qualified Stock Option Common Stock (14,452) $33.96 · 14,452 Acquired
July 27, 2023 VICR Non Qualified Stock Option Common Stock (500) $24.15 Oct. 2, 2027 500 Disposed
July 27, 2023 VICR Non Qualified Stock Option Common Stock (849) $6.77 July 21, 2024 849 Disposed
May 2, 2023 VICR Non Qualified Stock Option Common Stock (12,331) $41.61 · 12,331 Acquired
April 3, 2023 VICR Non Qualified Stock Option Common Stock (10,000) $46.96 April 3, 2033 10,000 Acquired
April 25, 2022 VICR Non Qualified Stock Option Common Stock (2,903) $60.61 · 2,903 Acquired
May 12, 2021 VICR Non Qualified Stock Option Common Stock (1,847) $75.43 · 1,847 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 4 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Oct. 6, 2020 VICR Non Qualified Stock Option→ Common Stock (1,276) 1,276 Direct
Oct. 6, 2020 VICR Non Qualified Stock Option→ Common Stock (3,500) 3,500 Direct
Oct. 6, 2020 VICR Non Qualified Stock Option→ Common Stock (6,013) 6,013 Direct
Oct. 6, 2020 VICR Non Qualified Stock Option→ Common Stock (3,600) 3,600 Direct