Summary
Updated Sep 1, 2026
Aron R. English is 10% Owner of FOSTER L B CO (FSTR). 20 SEC Form 4 filings on record going back to 2024, most recently on 3 April 2026. Most recent open-market trade: sold $1.08M of FSTR on 3 April 2026. Lifetime open-market purchases: $10.16M. Lifetime open-market sales: $15.84M. Historical track record: 4/5 stars across 7 tracked purchases.
Recent Transactions
20Every recent SEC Form 4 transaction Aron R. English has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★☆ (4/5) |
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 86% |
| 90-day win rate | 43% |
| Avg 5-day return | +8.27% |
| Avg 30-day return | +8.83% |
| Avg 90-day return | +1.70% |
| Best 30-day return | +28.81% |
Trading Pattern
InsiderAlpha's records for Aron R. English go back to 2024: 20 primary Form 4 filings, an average of 6.7 per year. The typical open-market purchase is $1.45M (7 buys totaling $10.16M). The largest single buy on record is $10.00M of ANEB in 2024. Sales side: 30 recorded sales totaling $15.84M, 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 Aron R. English 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.
- Brian H. Kelly - $272K of FSTR open-market activity in the last 12 months
- Caetano Roberto Ferraiolo - $68K of SRI open-market activity in the last 12 months
- Scott Randall Humphrey - $42K of SRI open-market activity in the last 12 months
- Ira C. Kaplan - $38K of SRI open-market activity in the last 12 months
- William M. Lasky - $37K of SRI open-market activity in the last 12 months
- Natalia Noblet - $37K of SRI 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 Aron R. English?
Aron R. English is a corporate insider, tracked as 10% Owner of FOSTER L B CO (FSTR). InsiderAlpha holds 20 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Aron R. English last file a Form 4?
The most recent primary Form 4 on record is dated 3 April 2026, one of 20 filings going back to 2024.
Has Aron R. English been buying or selling stock?
Recorded transactions: 7 open-market purchases ($10.16M) and 30 open-market sales ($15.84M) across all tracked filings.
How accurate is Aron R. English's historical track record?
Across 7 tracked purchases, Aron R. English averaged +8.8% avg 30-day return with a 86% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Aron R. English'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.
Learn More
Follow Aron R. English and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial