Insider at

04

Insider transactions

05
0 buys (P) 6 sells (S) Net: $-3,263,725 + 39 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

39 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 5, 2026 VICR S 2,500 $282.52 $706,300 7,229 Direct -25.70% Disposed 8.2% (price as of 2026-10-05)
March 5, 2026 VICR S 554 $180.32 $99,897 9,729 Direct -5.39% Disposed 69.5% (price as of 2026-10-05)
March 5, 2026 VICR S 300 $180.32 $54,096 9,729 Direct -2.99% Disposed 69.5% (price as of 2026-10-05)
March 5, 2026 VICR S 786 $180.32 $141,732 9,729 Direct -7.48% Disposed 69.5% (price as of 2026-10-05)
Feb. 27, 2026 VICR S 6,000 $197.73 $1,186,380 9,729 Direct -38.15% Disposed 54.6% (price as of 2026-10-05)
Oct. 27, 2025 VICR S 12,000 $89.61 $1,075,320 15,532 Direct -43.59% Disposed 241.0% (price as of 2026-10-05)
May 14, 2024 VICR S 446 $33.27 $14,838 24,277 Direct -1.80% Disposed 818.6% (price as of 2026-10-05)
March 6, 2023 VICR S 23,054 $43.06 $992,705 23,416 Direct -49.61% Disposed 609.7% (price as of 2026-10-05)
March 6, 2023 VICR S 116 $43.81 $5,082 23,500 Direct -0.49% Disposed 597.6% (price as of 2026-10-05)
Dec. 16, 2022 VICR S 20,000 $53.07 $1,061,400 3,318 Direct -85.77% Disposed 475.9% (price as of 2026-10-05)
Dec. 13, 2021 VICR S 8,000 $118.87 $950,960 3,081 Direct -72.20% Disposed 157.1% (price as of 2026-10-05)
Dec. 13, 2021 VICR S 851 $118.87 $101,158 3,081 Direct -21.64% Disposed 157.1% (price as of 2026-10-05)
Oct. 27, 2021 VICR S 2,500 $147.44 $368,600 3,081 Direct -44.79% Disposed 107.3% (price as of 2026-10-05)
Oct. 27, 2021 VICR S 2,500 $147.44 $368,600 3,081 Direct -44.79% Disposed 107.3% (price as of 2026-10-05)
April 27, 2021 VICR S 2,500 $92.97 $232,425 2,972 Direct -45.69% Disposed 228.7% (price as of 2026-10-05)
April 27, 2021 VICR S 2,500 $92.97 $232,425 2,972 Direct -45.69% Disposed 228.7% (price as of 2026-10-05)
April 27, 2021 VICR S 2,500 $92.97 $232,425 2,972 Direct -45.69% Disposed 228.7% (price as of 2026-10-05)
Sept. 9, 2020 VICR S 10,000 $84.34 $843,400 2,813 Direct -78.05% Disposed 262.4% (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 5, 2026 VICR Non Qualified Stock Option Common Stock (373) $266.00 · 373 Acquired
March 5, 2026 VICR Non Qualified Stock Option Common Stock (300) $75.43 · 300 Disposed
March 5, 2026 VICR Non Qualified Stock Option Common Stock (786) $41.61 · 786 Disposed
March 5, 2026 VICR Non Qualified Stock Option Common Stock (554) $60.61 · 554 Disposed
May 2, 2025 VICR Non Qualified Stock Option Common Stock (1,930) $50.00 · 1,930 Acquired
May 14, 2024 VICR Non Qualified Stock Option Common Stock (3,402) $6.77 July 21, 2024 3,402 Disposed
May 3, 2024 VICR Non Qualified Stock Option Common Stock (2,725) $33.96 · 2,725 Acquired
May 2, 2023 VICR Non Qualified Stock Option Common Stock (3,927) $41.61 · 3,927 Acquired
March 6, 2023 VICR Non Qualified Stock Option Common Stock (42,898) $7.05 April 29, 2023 42,898 Disposed
March 6, 2023 VICR Non Qualified Stock Option Common Stock (200) $6.29 June 17, 2023 200 Disposed
Dec. 16, 2022 VICR Non Qualified Stock Option Common Stock (20,000) $7.05 April 29, 2023 20,000 Disposed
April 25, 2022 VICR Non Qualified Stock Option Common Stock (2,771) $60.61 · 2,771 Acquired
Dec. 13, 2021 VICR Non Qualified Stock Option Common Stock (8,000) $7.05 April 29, 2023 8,000 Disposed
Dec. 13, 2021 VICR Non Qualified Stock Option Common Stock (851) $6.77 July 21, 2024 851 Disposed
Oct. 27, 2021 VICR Non Qualified Stock Option Common Stock (2,500) $8.38 June 17, 2023 2,500 Disposed
Oct. 27, 2021 VICR Non Qualified Stock Option Common Stock (2,500) $10.48 June 17, 2023 2,500 Disposed
May 12, 2021 VICR Non Qualified Stock Option Common Stock (1,498) $75.43 · 1,498 Acquired
April 27, 2021 VICR Non Qualified Stock Option Common Stock (2,500) $6.29 June 17, 2023 2,500 Disposed
April 27, 2021 VICR Non Qualified Stock Option Common Stock (2,500) $7.34 June 17, 2023 2,500 Disposed
April 27, 2021 VICR Non Qualified Stock Option Common Stock (2,500) $9.43 June 17, 2023 2,500 Disposed
Sept. 9, 2020 VICR Non Qualified Stock Option Common Stock (10,000) $9.76 Sept. 2, 2025 10,000 Disposed
June 28, 2019 VICR Non Qualified Stock Option Common Stock (70,898) $7.05 April 29, 2023 70,898 Acquired
June 28, 2019 VICR Non Qualified Stock Option Common Stock (4,253) $6.77 July 21, 2024 4,253 Acquired

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

Initial ownership (Form 3) 8 holdings

07

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

DateTickerSecuritySharesOwnership
Oct. 16, 2015 VICR Common Stock 100 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (2,500) 2,500 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (2,500) 2,500 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (2,500) 2,500 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (2,500) 2,500 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (2,500) 2,500 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (200) 200 Direct
Oct. 16, 2015 VICR Non Qualified Stock Option→ Common Stock (10,000) 10,000 Direct