AMSC

John W. Kosiba Jr.

Known title: SVP, CFO & TreasurerCIK: 0001703463

John W. Kosiba Jr.'s purchase track record

John W. Kosiba Jr. has only 1 open-market purchase with a full 6 months of price history after it -- too few to call a track record yet.

PurchaseStockAmount3 months6 months
12/12/2022AMSC$136K+43.9%+92.3%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

AI Market Commentary

AI-generatedAll commentary →

Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 14, 2026

American Superconductor in Oppenheimer tech list, valuation noted. Oppenheimer included American Superconductor in a recent list of leading power technology companies as costs rise and policies shift. Other analysts highlighted the stock for its profitability and competitive position, while a Seeking Alpha piece questioned whether its current price reflects its fundamentals. The mixed coverage adds attention to the company amid its low trailing P/E and a wide analyst target range.

this person other insiders at AMSC

Transaction History

AMSC▼ Sell$66K
AMSC▼ Sell$188K
AMSC▼ Sell$136K
AMSC▼ Sell$66K
AMSC▼ Sell$155K
AMSC▼ Sell$130K
AMSC▼ Sell$31K
AMSC▼ Sell$282K
AMSC▼ Sell$614K
AMSC▼ Sell$619K
AMSC▼ Sell$31K
AMSC▲ Buy$0
AMSC▼ Sell$1.9M
AMSC▼ Sell$868K
AMSC▼ Sell$544K
AMSC▼ Sell$181K
AMSC▼ Sell$9K
AMSC▼ Sell$151K
AMSC▼ Sell$258K
AMSC▼ Sell$1.1M
AMSC▼ Sell$291K
AMSC▲ Buy$0
AMSC▼ Sell$1.4M
AMSC▲ Buy$0
AMSC▼ Sell$694K
AMSC▼ Sell$397K
AMSC▼ Sell$33K
AMSC▼ Sell$178K
AMSC▼ Sell$309K
AMSC▲ Buy$0
AMSC▼ Sell$0
AMSC▲ Buy$52K
AMSC▲ Buy$83K
AMSC▲ Buy$0
AMSC▼ Sell$51K
AMSC▼ Sell$73K
AMSC▼ Sell$257K
AMSC▼ Sell$131K
AMSC▼ Sell$5K
AMSC▼ Sell$71K

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