Summary
Updated Aug 31, 2026
Carol S. Eicher is Director of Arq, Inc. (ARQ). 6 SEC Form 4 filings on record going back to 2025, most recently on 6 July 2026. Most recent open-market trade: bought $151K of ARQ on 17 March 2026. Lifetime open-market purchases: $151K. Lifetime open-market sales: $194K.
Recent Transactions
6Every recent SEC Form 4 transaction Carol S. Eicher has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Carol S. Eicher go back to 2025: 6 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $151K (1 buy totaling $151K). The largest single buy on record is $151K of ARQ in 2026. Sales side: 1 recorded sale totaling $194K, 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 Carol S. Eicher 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.
- Richard Campbell-Breeden - $433K of ARQ open-market activity in the last 12 months
- Robert E. Rasmus - $190K of ARQ open-market activity in the last 12 months
- Jay Loring Voncannon - $93K of ARQ open-market activity in the last 12 months
- Joseph M. Wong - $19K of ARQ open-market activity in the last 12 months
- Claiborne Benson Smith - $4K of ARQ 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 Carol S. Eicher?
Carol S. Eicher is a corporate insider, tracked as Director of Arq, Inc. (ARQ). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Carol S. Eicher submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Carol S. Eicher been buying or selling stock?
Recorded transactions: 1 open-market purchase ($151K) and 1 open-market sale ($194K) across all tracked filings.
Where can I see all of Carol S. Eicher'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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