Commitments and Contingencies	3 Months Ended
Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	11. Commitments and Contingencies Capital Expenditure Commitments At March 31, 2026, the Company had approximately $25,309,000 of cancelable and non-cancelable capital expenditure commitments, principally for manufacturing equipment. SynQor Litigation and Payment of Final Judgment Amount As previously reported in its Quarterly Reports on Form 10-Q and Annual Reports on Form 10-K, the Company is the defendant in a patent infringement lawsuit originally filed on January 28, 2011 by SynQor, Inc. (“SynQor”) in the U.S. District Court for the Eastern District of Texas (the “District Court”). SynQor alleged that certain Vicor products infringed certain United States Patents owned by SynQor. On October 26, 2022, after a trial in the District Court, the jury returned a verdict finding that the Company willfully infringed one SynQor patent, and awarding SynQor damages in the amount of $6,500,000. On May 20, 2024, the District Court issued an Amended Corrected Final Judgment, awarding SynQor actual damages of $6,500,000, enhanced damages of $4,500,000, costs in the amount of approximately $87,000, attorney fees in the amount of $9,500,000, and pre-judgment interest of approximately $5,400,000, for a total judgment of approximately $26,000,000. In addition, the District Court ordered that post-judgment interest would accrue at an amount of $2,323 per day starting on April 24, 2024 until the judgment is paid, compounded annually, and that additional post-judgment interest in the amount of $1,351 per day would accrue starting on May 20, 2024 until the judgment is paid, compounded annually. On May 22, 2024, the Company filed an appeal of the District Court’s judgment to the United States Court of Appeals for the Federal Circuit. On February 13, 2026, the United States Court of Appeals for the Federal Circuit affirmed the District Court’s judgment. On March 18, 2026, the Company paid SynQor $28,557,256, representing the full amount due under the District Court's judgment, inclusive of post-judgment interest. Class Action Litigation in the U.S. District Court for the Northern District of California On July 11, 2024, purported short sellers of the Company’s stock filed a putative class action lawsuit in the U.S. District Court for the Northern District of California styled Benjamin Pouladian et al. v. Vicor Corporation et al., case number 3:24-cv-04196. The suit was brought against the Company and the Company’s Chief Executive Officer, President, and Chairman (the "Defendants"). The plaintiffs alleged violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Rule 10b-5(b) promulgated thereunder, due to allegedly false and misleading statements during earnings calls in 2023 about the Company’s commercial relationship with an existing customer. The complaint sought damages, interest and attorneys’ fees and costs. The court appointed lead plaintiffs on October 24, 2024 and restyled the case as In re Vicor Securities Litigation. An amended complaint was filed on November 22, 2024 which similarly alleged purported violations of Sections 10(b) and 20(a) of the Exchange Act and Rule 10b-5(b) promulgated thereunder. The Defendants filed their motion to dismiss the amended complaint on January 20, 2025 and, on June 6, 2025, the U.S. District Court for the Northern District of California granted the motion to dismiss with leave to amend. Settlement of Certain Intellectual Property Claims On May 1, 2025, the Company entered into various settlement agreements to resolve lawsuits, arbitrations, and appeals related to certain intellectual property claims between the Company and certain parties, pursuant to which a total of $45,000,000 was paid to the Company in May 2025 (collectively, the “patent litigation settlement”). The Company incurred $5,100,000 in legal fees in connection with the patent litigation settlement, which were paid in June 2025. Other Proceedings In addition, the Company is involved in certain other litigation and claims incidental to the conduct of its business, both as a defendant and a plaintiff. While the outcome of such other lawsuits and claims against the Company cannot be predicted with certainty, management does not expect such litigation or claims will have a material adverse impact on the Company’s financial position or results of operations.

Commitments and Contingencies

3 Months Ended

Mar. 31, 2026

Commitments and Contingencies Disclosure [Abstract]

11. Commitments and Contingencies

Capital Expenditure Commitments

At March 31, 2026, the Company had approximately $25,309,000 of cancelable and non-cancelable capital expenditure commitments, principally for manufacturing equipment.

SynQor Litigation and Payment of Final Judgment Amount

As previously reported in its Quarterly Reports on Form 10-Q and Annual Reports on Form 10-K, the Company is the defendant in a patent infringement lawsuit originally filed on January 28, 2011 by SynQor, Inc. (“SynQor”) in the U.S. District Court for the Eastern District of Texas (the “District Court”). SynQor alleged that certain Vicor products infringed certain United States Patents owned by SynQor.

On October 26, 2022, after a trial in the District Court, the jury returned a verdict finding that the Company willfully infringed one SynQor patent, and awarding SynQor damages in the amount of $6,500,000.

On May 20, 2024, the District Court issued an Amended Corrected Final Judgment, awarding SynQor actual damages of $6,500,000, enhanced damages of $4,500,000, costs in the amount of approximately $87,000, attorney fees in the amount of $9,500,000, and pre-judgment interest of approximately $5,400,000, for a total judgment of approximately $26,000,000. In addition, the District Court ordered that post-judgment interest would accrue at an amount of $2,323 per day starting on April 24, 2024 until the judgment is paid, compounded annually, and that additional post-judgment interest in the amount of $1,351 per day would accrue starting on May 20, 2024 until the judgment is paid, compounded annually.

On May 22, 2024, the Company filed an appeal of the District Court’s judgment to the United States Court of Appeals for the Federal Circuit. On February 13, 2026, the United States Court of Appeals for the Federal Circuit affirmed the District Court’s judgment. On March 18, 2026, the Company paid SynQor $28,557,256, representing the full amount due under the District Court's judgment, inclusive of post-judgment interest.

Class Action Litigation in the U.S. District Court for the Northern District of California

On July 11, 2024, purported short sellers of the Company’s stock filed a putative class action lawsuit in the U.S. District Court for the Northern District of California styled Benjamin Pouladian et al. v. Vicor Corporation et al., case number 3:24-cv-04196. The suit was brought against the Company and the Company’s Chief Executive Officer, President, and Chairman (the "Defendants"). The plaintiffs alleged violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and Rule 10b-5(b) promulgated thereunder, due to allegedly false and misleading statements during earnings calls in 2023 about the Company’s commercial relationship with an existing customer. The complaint sought damages, interest and attorneys’ fees and costs. The court appointed lead plaintiffs on October 24, 2024 and restyled the case as In re Vicor Securities Litigation. An amended complaint was filed on November 22, 2024 which similarly alleged purported violations of Sections 10(b) and 20(a) of the Exchange Act and Rule 10b-5(b) promulgated thereunder. The Defendants filed their motion to dismiss the amended complaint on January 20, 2025 and, on June 6, 2025, the U.S. District Court for the Northern District of California granted the motion to dismiss with leave to amend.

Settlement of Certain Intellectual Property Claims

On May 1, 2025, the Company entered into various settlement agreements to resolve lawsuits, arbitrations, and appeals related to certain intellectual property claims between the Company and certain parties, pursuant to which a total of $45,000,000 was paid to the Company in May 2025 (collectively, the “patent litigation settlement”). The Company incurred $5,100,000 in legal fees in connection with the patent litigation settlement, which were paid in June 2025.

Other Proceedings

In addition, the Company is involved in certain other litigation and claims incidental to the conduct of its business, both as a defendant and a plaintiff. While the outcome of such other lawsuits and claims against the Company cannot be predicted with

certainty, management does not expect such litigation or claims will have a material adverse impact on the Company’s financial position or results of operations.