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American Superconductor Corp. planned insider sales

In the last twelve months insiders at American Superconductor Corp. filed 9 Form 144 notices of planned sales, 163,718 shares worth $7.8 million at the time of filing, from 3 sellers. The latest, filed 11 June 2026: John Kosiba (officer), 6,769 shares worth $253,579, planned for around 11 June 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
11 June 2026John KosibaOfficer6,769$253,57911 June 20266,769 shares from 11 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
11 June 2026Daniel McGahnOfficer, Director16,117$603,50311 June 202616,117 shares from 11 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
10 June 2026Dambier Laura A.Director4,000$160,85410 June 20264,000 shares from 11 June 2026Charles Schwab CorporationRestricted Stock AwardForm 144
8 June 2026John KosibaOfficer4,835$201,9678 June 20264,835 shares from 8 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
8 June 2026Daniel McGahnOfficer, Director9,670$403,9968 June 20269,670 shares from 8 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 June 2026John KosibaOfficer6,447$315,5483 June 202636,909 shares from 2 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 June 2026Daniel McGahnOfficer, Director12,893$630,2653 June 202685,418 shares from 2 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
2 June 2026John KosibaOfficer30,462$1.5 million2 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesPerformance SharesForm 144
2 June 2026Daniel McGahnOfficer, Director72,525$3.7 million2 June 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesPerformance SharesForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?