Christoph Glingener

Companies

• AdtranChief Technology Officer May 25, 2023 to now¹
• AdtranChief executive officer Sep 2, 2022 to Sep 2, 2022²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Adtran ADTN83,953 shares³$541.9K at $6.46Aug 10, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 10, 2026Granted 27,924 shares of Adtran³
• Jul 24, 2026Granted 9,384 shares of Adtran⁴
• May 8, 2026Sold 22,277 shares at $15.00 of Adtran⁵
• May 8, 2026Exercised options 22,277 shares at $12.17 of Adtran⁵
• May 7, 2026Sold 84,895 shares at $15.06 of Adtran⁵
• May 7, 2026Exercised options 84,895 shares at $12.17 of Adtran⁵
• May 7, 2026Sold 41,220 shares at $14.73 of Adtran⁵
• May 7, 2026Exercised options 41,220 shares at $7.01 of Adtran⁵
• Jan 24, 2025Granted 13,870 shares of Adtran⁶
• Jan 24, 2025Granted 13,907 shares of Adtran⁶
• May 24, 2024Shares withheld for tax 801 shares at $5.27 of Adtran⁷
• Jan 26, 2024Granted 12,044 shares of Adtran⁸
• May 24, 2023Granted 7,625 shares of Adtran⁹