Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Christoph Glingener 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.
- Thomas R. Stanton - $300K of ADTN open-market activity in the last 12 months
- Hourigan Rice Jacqueline - $148K of ADTN open-market activity in the last 12 months
- James Denson Wilson Jr. - $137K of ADTN open-market activity in the last 12 months
- Nikos Theodosopoulos - $100K of ADTN open-market activity in the last 12 months
- Timothy P. Santo - $99K of ADTN 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 Christoph Glingener?
Christoph Glingener is a corporate insider, tracked as Chief Technology Officer of ADTRAN Holdings, Inc. (ADTN). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Christoph Glingener submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Christoph Glingener been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($2.22M) across all tracked filings.
Where can I see all of Christoph Glingener'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 Christoph Glingener 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
