Summary
Updated Aug 31, 2026
David R. Oliver Jr. files SEC Form 4 reports at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC). 3 SEC Form 4 filings on record going back to 2025, most recently on 7 April 2026. Most recent open-market trade: sold $7K of AMSC on 26 February 2026. Lifetime open-market purchases: $2K. Lifetime open-market sales: $7K.
Recent Transactions
3Every recent SEC Form 4 transaction David R. Oliver Jr. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for David R. Oliver Jr. go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. The typical open-market purchase is $2K (1 buy totaling $2K). The largest single buy on record is $2K of AMSC in 2025. Sales side: 1 recorded sale totaling $7K, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies David R. Oliver Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Daniel P. McGahn - $5.32M of AMSC open-market activity in the last 12 months
- John W. Kosiba Jr. - $2.32M of AMSC open-market activity in the last 12 months
- Laura A. Dambier - $151K of AMSC open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David R. Oliver Jr.?
David R. Oliver Jr. is a corporate insider of AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did David R. Oliver Jr. last file a Form 4?
The most recent primary Form 4 on record is dated 7 April 2026, one of 3 filings going back to 2025.
Has David R. Oliver Jr. been buying or selling stock?
Recorded transactions: 1 open-market purchase ($2K) and 1 open-market sale ($7K) across all tracked filings.
Where can I see all of David R. Oliver Jr.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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