Summary
Updated Aug 31, 2026
H. Fenwick Huss files SEC Form 4 reports at ADTRAN Holdings, Inc. (ADTN). 1 SEC Form 4 filing on record, dated 5 January 2026.
Recent Transactions
1Every recent SEC Form 4 transaction H. Fenwick Huss has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies H. Fenwick Huss 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.
- Christoph Glingener - $2.22M of ADTN open-market activity in the last 12 months
- 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 H. Fenwick Huss?
H. Fenwick Huss is a corporate insider of ADTRAN Holdings, Inc. (ADTN). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did H. Fenwick Huss last file a Form 4?
The only primary Form 4 on record is dated 5 January 2026.
Where can I see all of H. Fenwick Huss'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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