Summary
Updated Aug 31, 2026
Nickolas Stavropoulos is Director of ONE Gas, Inc. (OGS). 8 SEC Form 4 filings on record going back to 2025, most recently on 13 August 2026. Most recent open-market trade: sold $46K of AMRC on 19 May 2026. Lifetime open-market sales: $614K.
Recent Transactions
16Every recent SEC Form 4 transaction Nickolas Stavropoulos has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Nickolas Stavropoulos go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 18 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Nickolas Stavropoulos 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.
- Mark Chiplock - $1.84M of AMRC open-market activity in the last 12 months
- Brian C. Cox - $1.10M of AMRC open-market activity in the last 12 months
- George P. Sakellaris - $508K of AMRC open-market activity in the last 12 months
- Francis V. Wisneski Jr. - $484K of AMRC open-market activity in the last 12 months
- Jennifer L. Miller - $365K of AMRC open-market activity in the last 12 months
- Michael G. Hutchinson - $237K of OGS 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 Nickolas Stavropoulos?
Nickolas Stavropoulos is a corporate insider, tracked as Director of ONE Gas, Inc. (OGS). InsiderAlpha holds 8 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 Nickolas Stavropoulos submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Nickolas Stavropoulos been buying or selling stock?
Recorded transactions: 0 open-market purchases and 6 open-market sales ($614K) across all tracked filings.
Where can I see all of Nickolas Stavropoulos'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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