ADTRAN Holdings, Inc. (ADTN) Insider Ownership

Historic Insider Ownership Trends

ADTRAN Holdings's three largest insider shareholders as of April 25, 2026 are Thomas R Stanton (Chairman Ceo, 1.13Mn shares), Brian Protiva (Ceo Of Adva, 253.55K shares), James Denson Jr Wilson (Chief Revenue Officer, 152.61K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Thomas R Stanton Chairman Ceo 1,126,554 0 03 Apr, 2026
Brian Protiva Ceo Of Adva 253,545 0 03 Jan, 2024
James Denson Jr Wilson Chief Revenue Officer 152,609 0 03 Apr, 2026
Balan Nair - 125,373 0 05 Jan, 2026
Brian Protiva Ceo Of Adva 0 119,361 08 Dec, 2023
H Fenwick Huss - 107,600 0 05 Jan, 2026
Kathryn A Walker - 98,663 0 05 Jan, 2026
Gregory James Mccray - 72,893 0 05 Jan, 2026
Nikos Theodosopoulos - 65,963 0 05 Jan, 2026
Roy J Nichols - 63,870 0 07 Sep, 2021
Timothy P Santo Svp Of Finance; Cfo 53,345 0 03 Apr, 2026
Ulrich Dopfer Chief Financial Officer 48,195 0 28 Jan, 2025
Christoph Glingener Chief Technology Officer 46,645 0 28 Jan, 2025
Eduard Scheiterer Svp, Research Development 40,027 0 02 Dec, 2021
Johanna Hey - 8,294 0 21 Sep, 2023
James Denson Jr Wilson Chief Revenue Officer 0 4,117 11 Jul, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Apr, 2026 Thomas R Stanton Common Stock A 170,723 $0.00 1,126,554 D A
01 Apr, 2026 James Denson Jr Wilson Common Stock A 24,908 $0.00 152,609 D A
01 Apr, 2026 Timothy P Santo Common Stock A 28,252 $0.00 53,345 D A
19 Mar, 2026 Timothy P Santo Common Stock D 1,501 $11.90 25,093 D F
26 Jan, 2026 James Denson Jr Wilson Common Stock D 1,309 $9.24 127,701 D F
26 Jan, 2026 James Denson Jr Wilson Common Stock A 3,777 $0.00 129,010 D A
26 Jan, 2026 Thomas R Stanton Common Stock A 27,973 $0.00 967,878 D A
26 Jan, 2026 Thomas R Stanton Common Stock D 12,407 $9.24 955,471 D F
26 Jan, 2026 James Denson Jr Wilson Common Stock D 1,087 $9.24 127,923 D F
24 Jan, 2026 Thomas R Stanton Common Stock D 17,535 $9.55 954,314 D F
24 Jan, 2026 James Denson Jr Wilson Common Stock D 1,227 $9.55 126,231 D F
26 Jan, 2026 Thomas R Stanton Common Stock D 14,409 $9.73 939,905 D F
26 Jan, 2026 James Denson Jr Wilson Common Stock D 998 $9.73 125,233 D F
20 Jan, 2026 Thomas R Stanton Common Stock D 10,247 $9.24 971,849 D F
20 Jan, 2026 James Denson Jr Wilson Common Stock D 765 $9.24 127,458 D F
31 Dec, 2025 Kathryn A Walker Common Stock A 13,809 $0.00 98,663 D A
31 Dec, 2025 Gregory James Mccray Common Stock A 13,809 $0.00 72,893 D A
31 Dec, 2025 Nikos Theodosopoulos Common Stock A 13,809 $0.00 65,963 D A
31 Dec, 2025 Balan Nair Common Stock A 13,809 $0.00 125,373 D A
31 Dec, 2025 H Fenwick Huss Common Stock A 13,809 $0.00 107,600 D A