David R. Oliver Jr.

Executive

Director

American Superconductor Corp American Superconductor Corp /DE/

Insider activity · 24 months0 buys1 saleCumulative net flow

Nov 24 · 0 buys · 0 salesDec 24 · 0 buys · 0 salesJan 25 · 0 buys · 0 salesFeb 25 · 0 buys · 0 salesMar 25 · 0 buys · 0 salesApr 25 · 0 buys · 0 salesMay 25 · 0 buys · 0 salesJun 25 · 0 buys · 0 salesJul 25 · 0 buys · 0 salesAug 25 · 0 buys · 0 salesSept 25 · 0 buys · 0 salesOct 25 · 0 buys · 0 salesNov 25 · 0 buys · 0 salesDec 25 · 0 buys · 0 salesJan 26 · 0 buys · 0 salesFeb 26 · 0 buys · 1 saleMar 26 · 0 buys · 0 salesApr 26 · 0 buys · 0 salesMay 26 · 0 buys · 0 salesJun 26 · 0 buys · 0 salesJul 26 · 0 buys · 0 salesAug 26 · 0 buys · 0 salesSept 26 · 0 buys · 0 salesOct 26 · 0 buys · 0 sales

Total declarations

Company

▲ Purchases (1 ops.)

€1,488

▼ Sales (1 ops.)

€5,783

Latest filing published 07 Apr 2026 for AMERICAN SUPERCONDUCTOR CORP /DE/. Read the official filing

Filing timeline

BuySale

David R. Oliver Jr.

Insider track record

Disclosed buys

Disclosed sells

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

No signal scores available.

David R. Oliver Jr.: trading record in brief

David R. Oliver Jr., listed as senior executive, appears in our data through filings on American Superconductor Corp /DE/ shares, published by SEC (Form 4). Over a trading history stretching from 18 June 2019 to 3 April 2026, the count stands at 7 filings.

The open-market side counts 1 purchase for €1,488 alongside 1 sale for €5,783. Netting one side against the other leaves €4,295 of net selling. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Other entries cover 5 share grants. 2026 to date brings no purchases and 1 sale.

The record was last updated on 7 April 2026 with a share grant in American Superconductor Corp /DE/. The last purchase on record was published on 13 November 2025, which is 339 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.