Glingener Christoph — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Glingener Christoph has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $2.22M.

Profile

Glingener Christoph

Based on the SEC filing context (ADTRAN Holdings, Inc., latest filing 2026-05-11), this entry corresponds to an individual named Glingener Christoph. Publicly available biographical information for this exact spelling is limited. The name appears to be a variation of Christoph Glingener, a German telecommunications executive associated with ADVA Optical Networking; there is no confirmed public record tying this exact person to ADTRAN. It may represent a name-order variant or a different individual with the same name. No death date is publicly documented for this person as of the latest filing.

RoleInsider
Notability22/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-11ADTNADTRAN Holdings, Inc.S — Open-market sale22.3K$15.00$334K
2026-05-11ADTNADTRAN Holdings, Inc.M — Option exercise22.3K$12.17$271K
2026-05-11ADTNADTRAN Holdings, Inc.S — Open-market sale84.9K$15.06$1.28M
2026-05-11ADTNADTRAN Holdings, Inc.M — Option exercise84.9K$12.17$1.03M
2026-05-11ADTNADTRAN Holdings, Inc.S — Open-market sale41.2K$14.73$607K
2026-05-11ADTNADTRAN Holdings, Inc.M — Option exercise41.2K$7.01$289K

Companies — Last 90 Days

Frequently Asked Questions

Who is Glingener Christoph?

Based on the SEC filing context (ADTRAN Holdings, Inc., latest filing 2026-05-11), this entry corresponds to an individual named Glingener Christoph. Publicly available biographical information for this exact spelling is limited. The name appears to be a variation of Christoph Glingener, a German telecommunications executive associated with ADVA Optical Networking; there is no …

How many SEC Form 4 filings has Glingener Christoph submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has Glingener Christoph 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 Glingener Christoph'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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