ADTN
ADTRAN Holdings, Inc.
NASDAQ · USTechnologyCommunication Equipment
$11.71+0.47%
Price as of Jul 20, 2026
ADTN ownership
ADTRAN Holdings, Inc. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$2.4M
Insider trades by month Buys Sells
Sep
Dec
Nov
Dec
Mar
May
Context3-month price -10.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 6, 2026 | DelSanto Annedirector | Grant | 4,399 | — |
| May 22, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Sell | 9,332 | $14.72 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Sell | 41,220 | $14.73 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Option | 84,895 | $12.17 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Sell | 22,277 | $15.00 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Option | 22,277 | $12.17 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Option | 41,220 | $7.01 |
| May 11, 2026 | Glingener Christophofficer: Chief Technology Officer | Sell | 84,895 | $15.06 |
| Apr 3, 2026 | Santo Timothy Pofficer: SVP of Finance; CFO | Grant | 28,252 | — |
| Apr 3, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Grant | 24,908 | — |
| Apr 3, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Grant | 170,723 | — |
| Mar 23, 2026 | Santo Timothy Pofficer: SVP of Finance; CFO | Tax | 1,501 | $11.90 |
| Mar 5, 2026 | Jacqueline Hourigan Ricedirector | Sell | 14,406 | $10.29 |
| Mar 5, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Grant | 39,735 | — |
| Jan 30, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Tax | 1,309 | $9.24 |
| Jan 28, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Grant | 3,777 | — |
| Jan 28, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Tax | 1,087 | $9.24 |
| Jan 28, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Grant | 27,973 | — |
| Jan 28, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Tax | 12,407 | $9.24 |
| Jan 27, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Tax | 998 | $9.73 |
| Jan 27, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Tax | 17,535 | $9.55 |
| Jan 27, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Tax | 1,227 | $9.55 |
| Jan 27, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Tax | 14,409 | $9.73 |
| Jan 22, 2026 | Wilson James Denson Jrofficer: Chief Revenue Officer | Tax | 765 | $9.24 |
| Jan 22, 2026 | STANTON THOMAS Rdirector, officer: Chairman & CEO | Tax | 10,247 | $9.24 |
| Jan 5, 2026 | Nair Balandirector | Grant | 13,809 | — |
| Jan 5, 2026 | McCray Gregory Jamesdirector | Grant | 13,809 | — |
| Jan 5, 2026 | Theodosopoulos Nikosdirector | Grant | 13,809 | — |
| Jan 5, 2026 | HUSS H FENWICKdirector | Grant | 13,809 | — |
| Jan 5, 2026 | Jacqueline Hourigan Ricedirector | Grant | 13,809 | — |
Source: ADTN SEC Form 4 filings, latest Jul 6, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ADTN positions over the last 6 months (SEC Form 13F).
Increased
166
New positions
75
Reduced
146
Sold out
66
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Reduced | 8.2M | Jan 29, 2026 |
| BLACKROCK, INC. | Reduced | 8.1M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 7.8M | May 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.8M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.4M | May 15, 2026 |
| ROYCE & ASSOCIATES LP | Increased | 3.1M | May 12, 2026 |
| DNB ASSET MANAGEMENT AS | Unchanged | 3.1M | May 14, 2026 |
| DNB ASSET MANAGEMENT AS | Increased | 3.1M | Feb 5, 2026 |
| DIVISAR CAPITAL MANAGEMENT LLC | Reduced | 3.0M | Feb 17, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 2.7M | Feb 17, 2026 |
| ROYCE & ASSOCIATES LP | Increased | 2.6M | Feb 9, 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 2.5M | Feb 9, 2026 |
| STATE STREET CORP | Increased | 2.4M | May 15, 2026 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 2.0M | May 8, 2026 |
| STATE STREET CORP | Increased | 2.0M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.