AMERICAN SUPERCONDUCTOR CORP /DE/

AMSC

AMSC has 7 disclosed filings on Paydirt over the trailing twelve months from 3 corporate insiders: 0 purchases and 7 sales. Filers took a median of 1 day from execution to disclosure, and the most recent trade was executed Jun 11 and filed Jun 12. The most active filer was John W Kosiba JR with 9 filings.

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Filings, ttm

0 buys · 7 sells

Traders, ttm

3 insiders

Volume, ttmiDollar value disclosed in the window

$7.5M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Jun 11

Filed Jun 12

ADViAverage daily dollar volume

–

not on file

Share price · 12M

$32.91 (-49.1%)

Adjusted for splits and dividends.

Volume by month

Buys $0 Sells $24.3M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

JJ John W Kosiba JR SVP, CFO & Treasurer 9 filings DM Daniel P McGahn Chairman, President and CEO 8 filings LD Laura A. Dambier Director 1 filing AH Arthur H House Director 1 filing

Recent filings

Laura A. DambierSALE Director $151K
4,000 sh × $37.63
Exec Jun 11
Filed Jun 12 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $603K
16,117 sh across 2 lots
Exec Jun 11
Filed Jun 11 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $188K
5,026 sh × $37.33
Exec Jun 11
Filed Jun 11 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $404K
9,670 sh across 2 lots
Exec Jun 8
Filed Jun 10 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $136K
3,286 sh × $41.50
Exec Jun 8
Filed Jun 10 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $4.2M
84,101 sh across 6 lots
Exec Jun 2
Filed Jun 3 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $1.8M
35,700 sh across 5 lots
Exec Jun 2
Filed Jun 3 · 5:30 PM ET Arthur H HouseSALE Director $494K
9,703 sh × $50.92
Exec Aug 8 2025
Filed Aug 8 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $3.3M
59,843 sh across 3 lots
Exec Aug 4 2025
Filed Aug 6 2025 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $5.5M
100,848 sh across 2 lots
Exec Aug 4 2025
Filed Aug 6 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $181K
6,342 sh × $28.55
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $352K
12,315 sh × $28.56
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $245K
7,689 sh × $31.82
Exec Jun 6 2025
Filed Jun 9 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $151K
4,744 sh × $31.83
Exec Jun 6 2025
Filed Jun 9 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $1.3M
50,000 sh across 2 lots
Exec May 27 2025
Filed May 29 2025 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $3.2M
122,655 sh across 2 lots
Exec May 27 2025
Filed May 29 2025 · 5:30 PM ET Daniel P McGahnSALE Chairman, President and CEO $314K
12,815 sh × $24.49
Exec May 20 2025
Filed May 22 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $291K
11,860 sh × $24.50
Exec May 20 2025
Filed May 22 2025 · 5:30 PM ET John W Kosiba JRSALE SVP, CFO & Treasurer $1.4M
50,000 sh × $28.28
Exec Nov 4 2024
Filed Nov 6 2024 · 5:30 PM ET