John Kosiba, Founder of AMSC

About John Kosiba

John W. Kosiba Jr. serves as the SVP, CFO & Treasurer of American Superconductor (AMSC). He received a restricted stock award of 30,000 common shares on June 1, 2026. Between June 2-3, 2026, he sold 36,909 common shares to cover tax withholding obligations under a pre-arranged Rule 10b5-1 trading plan.

John Kosiba at a glance

• Company: AMSC

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