InsiderTrades

ADTN ADTRAN Holdings, Inc.

Nasdaq · SEC CIK 926282 · EDGAR

Bought, last 12 months
$499.8K
4 purchases by 3 insiders
Sold, last 12 months
$2.51M
3 sales by 3 insiders
Filings on record
289
since 2021-09-07, latest 2026-08-10 16:01
Buying vs selling by month open-market trades, last 24 months
BoughtSold

Most active insiders, 12 months

InsiderTitleBoughtSold
Glingener ChristophCTO —$2.22M
STANTON THOMAS RCOB, CEO, Dir $300.0K—
Jacqueline Hourigan RiceDir —$148.2K
Wilson James Denson JrChief Revenue Off —$137.4K
Theodosopoulos NikosDir $100.4K—
Santo Timothy PCFO, SVP of Fin $99.3K—
DelSanto AnneDir ——
Nair BalanDir ——
McCray Gregory JamesDir ——
Walker Kathryn ADir ——

Transactions 305

Type
Reset
X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-08-10 16:01 2026-08-10 ADTN Glingener Christoph CTO A - Grant $0.00 +27.9K 84.0K +50% $0
2026-08-07 16:00 2026-08-06 ADTN Santo Timothy P CFO, SVP of Fin P - Purchase $7.60 +6,579 59.9K +12% +$50.0K
2026-07-28 16:01 2026-07-24 ADTN Glingener Christoph CTO A - Grant $0.00 +9,384 56.0K +20% $0
2026-07-06 16:02 2026-07-01 ADTN DelSanto Anne Dir A - Grant $0.00 +4,399 4,399 New $0
2026-05-22 16:02 2026-05-20 ADTN Wilson James Denson Jr Chief Revenue Off S - Sale $14.72 -9,332 143.3K -6% -$137.4K
2026-05-22 16:02 2026-05-20 ADTN Wilson James Denson Jr Chief Revenue Off G - Gift $0.00 -10.5K 132.8K -7% $0
DMT 2026-05-11 16:00 2026-05-07+ ADTN Glingener Christoph CTO M - OptEx $10.74 +148.4K 68.9K New +$1.59M
DMT 2026-05-11 16:00 2026-05-07+ ADTN Glingener Christoph CTO S - Sale+OE $14.96 -148.4K 46.6K -76% -$2.22M
2026-04-03 15:16 2026-04-01 ADTN Wilson James Denson Jr Chief Revenue Off A - Grant $0.00 +24.9K 152.6K +20% $0
2026-04-03 15:15 2026-04-01 ADTN Santo Timothy P CFO, SVP of Fin A - Grant $0.00 +28.3K 53.3K +113% $0
2026-04-03 15:13 2026-04-01 ADTN STANTON THOMAS R COB, CEO, Dir A - Grant $0.00 +170.7K 1.13M +18% $0
2026-03-23 2026-03-19 ADTN Santo Timothy P CFO, SVP of Fin F - Tax $11.90 -1,501 25.1K -6% -$17.9K
2026-03-05 2026-03-04 ADTN Jacqueline Hourigan Rice Dir S - Sale $10.29 -14.4K 13.8K -51% -$148.2K
A 2026-03-05 2025-01-24 ADTN STANTON THOMAS R COB, CEO, Dir A - Grant $0.00 +39.7K 816.0K +5% $0
A 2026-01-30 2026-01-26 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $9.24 -1,309 127.7K -1% -$12.1K
2026-01-28 2026-01-26 ADTN Wilson James Denson Jr Chief Revenue Off A - Grant $0.00 +3,777 129.0K +3% $0
2026-01-28 2026-01-26 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $9.24 -1,087 127.9K -0.8% -$10.0K
2026-01-28 2026-01-26 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $9.24 -12.4K 955.5K -1% -$114.6K
2026-01-28 2026-01-26 ADTN STANTON THOMAS R COB, CEO, Dir A - Grant $0.00 +28.0K 967.9K +3% $0
M 2026-01-27 2026-01-24+ ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $9.63 -2,225 125.2K -2% -$21.4K
M 2026-01-27 2026-01-24+ ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $9.63 -31.9K 939.9K -3% -$307.7K
2026-01-22 2026-01-20 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $9.24 -765 127.5K -0.6% -$7,069
2026-01-22 2026-01-20 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $9.24 -10.2K 971.8K -1% -$94.7K
2026-01-05 2025-12-31 ADTN Jacqueline Hourigan Rice Dir A - Grant $0.00 +13.8K 28.2K +96% $0
2026-01-05 2025-12-31 ADTN Theodosopoulos Nikos Dir A - Grant $0.00 +13.8K 66.0K +26% $0
2026-01-05 2025-12-31 ADTN McCray Gregory James Dir A - Grant $0.00 +13.8K 72.9K +23% $0
2026-01-05 2025-12-31 ADTN Walker Kathryn A Dir A - Grant $0.00 +13.8K 98.7K +16% $0
2026-01-05 2025-12-31 ADTN Nair Balan Dir A - Grant $0.00 +13.8K 125.4K +12% $0
2026-01-05 2025-12-31 ADTN HUSS H FENWICK Dir A - Grant $0.00 +13.8K 107.6K +15% $0
2025-12-01 2025-11-28 ADTN Santo Timothy P CFO, SVP of Fin P - Purchase $8.02 +6,150 26.6K +30% +$49.3K
2025-12-01 2025-11-26 ADTN Theodosopoulos Nikos Dir P - Purchase $7.81 +12.9K 52.2K +33% +$100.4K
2025-11-25 2025-11-24 ADTN STANTON THOMAS R COB, CEO, Dir P - Purchase $7.33 +40.9K 982.1K +4% +$300.0K
2025-11-19 2025-11-17 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $7.33 -3,355 941.2K -0.4% -$24.6K
2025-11-19 2025-11-17 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $7.33 -468 128.2K -0.4% -$3,430
2025-07-15 2025-07-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $9.20 -5,663 944.5K -0.6% -$52.1K
2025-04-15 2025-04-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $7.62 -5,408 950.2K -0.6% -$41.2K
2025-03-20 2025-03-19 ADTN Santo Timothy P CFO, SVP of Fin A - Grant $0.00 +20.4K 20.4K New $0
M 2025-01-28 2025-01-24+ ADTN Dopfer Ulrich CFO F - Tax $10.31 -5,780 33.0K -15% -$59.6K
M 2025-01-28 2025-01-24 ADTN Dopfer Ulrich CFO A - Grant $0.00 +32.7K 37.6K +665% $0
M 2025-01-28 2025-01-24 ADTN Glingener Christoph CTO A - Grant $0.00 +27.8K 32.8K +556% $0
M 2025-01-28 2025-01-24 ADTN STANTON THOMAS R COB, CEO, Dir A - Grant $0.00 +199.2K 815.6K +32% $0
M 2025-01-28 2025-01-24+ ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $10.31 -19.8K 955.6K -2% -$204.6K
M 2025-01-28 2025-01-24+ ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $10.31 -5,053 115.4K -4% -$52.1K
M 2025-01-28 2025-01-24 ADTN Wilson James Denson Jr Chief Revenue Off A - Grant $0.00 +30.3K 129.5K +30% $0
2025-01-22 2025-01-20 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $10.19 -6,395 776.2K -0.8% -$65.2K
2025-01-22 2025-01-20 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $10.19 -765 103.5K -0.7% -$7,795
2025-01-15 2025-01-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $10.01 -6,018 782.6K -0.8% -$60.2K
2025-01-03 2024-12-31 ADTN McCray Gregory James Dir A - Grant $0.00 +14.4K 59.1K +32% $0
2025-01-03 2024-12-31 ADTN HUSS H FENWICK Dir A - Grant $0.00 +14.4K 93.8K +18% $0
2025-01-03 2024-12-31 ADTN Walker Kathryn A Dir A - Grant $0.00 +14.4K 84.9K +20% $0
2025-01-03 2024-12-31 ADTN Nair Balan Dir A - Grant $0.00 +14.4K 111.6K +15% $0
2025-01-03 2024-12-31 ADTN Theodosopoulos Nikos Dir A - Grant $0.00 +14.4K 39.3K +58% $0
2025-01-03 2024-12-31 ADTN Jacqueline Hourigan Rice Dir G - Gift $0.00 -16.3K 14.4K -53% $0
2025-01-03 2024-12-31 ADTN Jacqueline Hourigan Rice Dir A - Grant $0.00 +14.4K 30.8K +88% $0
M 2024-11-19 2024-11-16+ ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $7.75 -3,134 104.3K -3% -$24.3K
M 2024-11-19 2024-11-16+ ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $7.75 -22.3K 805.4K -3% -$173.2K
2024-10-15 2024-10-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $5.91 -3,748 811.0K -0.5% -$22.2K
A 2024-07-17 2024-07-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $5.78 -41.9K 814.7K -5% -$242.2K
2024-07-16 2024-07-13 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $5.78 -72.5K 784.1K -8% -$419.3K
2024-05-29 2024-05-24 ADTN Dopfer Ulrich CFO F - Tax $5.27 -953 21.3K -4% -$5,022
2024-05-29 2024-05-24 ADTN Glingener Christoph CTO F - Tax $5.27 -801 18.9K -4% -$4,221
2024-01-30 2024-01-26 ADTN Glingener Christoph CTO A - Grant $0.00 +12.0K 19.7K +158% $0
2024-01-30 2024-01-26 ADTN Wilson James Denson Jr Chief Revenue Off A - Grant $0.00 +11.5K 107.4K +12% $0
2024-01-30 2024-01-26 ADTN STANTON THOMAS R COB, CEO, Dir A - Grant $0.00 +130.0K 856.6K +18% $0
2024-01-30 2024-01-26 ADTN Dopfer Ulrich CFO A - Grant $0.00 +13.3K 22.3K +149% $0
2024-01-23 2024-01-20 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $7.03 -1,096 95.9K -1% -$7,705
2024-01-23 2024-01-20 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $7.03 -10.8K 726.7K -1% -$76.0K
D 2024-01-03 2023-12-31 ADTN Walker Kathryn A Dir D - Sale to Iss $7.34 -0.42 54.1K -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN Walker Kathryn A Dir M - OptEx — +168.42 54.1K +0.3% —
D 2024-01-03 2023-12-31 ADTN Walker Kathryn A Dir A - Grant $0.00 +16.3K 70.4K +30% $0
D 2024-01-03 2023-12-31 ADTN Nair Balan Dir M - OptEx — +168.42 80.8K +0.2% —
D 2024-01-03 2023-12-31 ADTN Nair Balan Dir A - Grant $0.00 +16.3K 97.2K +20% $0
D 2024-01-03 2023-12-31 ADTN Nair Balan Dir D - Sale to Iss $7.34 -0.42 80.8K -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN Protiva Brian Dir A - Grant $0.00 +16.3K 253.5K +7% $0
D 2024-01-03 2023-12-31 ADTN Protiva Brian Dir D - Sale to Iss $7.34 -0.42 237.2K -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN Protiva Brian Dir M - OptEx — +168.42 237.2K +0.1% —
D 2024-01-03 2023-12-31 ADTN Theodosopoulos Nikos Dir D - Sale to Iss $7.34 -0.42 8,540 -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN Theodosopoulos Nikos Dir M - OptEx — +168.42 8,540 +2% —
D 2024-01-03 2023-12-31 ADTN Theodosopoulos Nikos Dir A - Grant $0.00 +16.3K 24.9K +191% $0
D 2024-01-03 2023-12-31 ADTN HUSS H FENWICK Dir M - OptEx — +168.42 63.0K +0.3% —
D 2024-01-03 2023-12-31 ADTN HUSS H FENWICK Dir A - Grant $0.00 +16.3K 79.4K +26% $0
D 2024-01-03 2023-12-31 ADTN HUSS H FENWICK Dir D - Sale to Iss $7.34 -0.42 63.0K -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN McCray Gregory James Dir M - OptEx — +168.42 28.3K +0.6% —
D 2024-01-03 2023-12-31 ADTN McCray Gregory James Dir D - Sale to Iss $7.34 -0.42 28.3K -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN McCray Gregory James Dir A - Grant $0.00 +16.3K 44.7K +58% $0
D 2024-01-03 2023-12-31 ADTN Jacqueline Hourigan Rice Dir G - Gift $0.00 -6,587 16.3K -29% $0
D 2024-01-03 2023-12-31 ADTN Jacqueline Hourigan Rice Dir A - Grant $0.00 +16.3K 22.9K +248% $0
D 2024-01-03 2023-12-31 ADTN Jacqueline Hourigan Rice Dir D - Sale to Iss $7.34 -0.42 6,587 -0.0% -$3.08
D 2024-01-03 2023-12-31 ADTN Jacqueline Hourigan Rice Dir M - OptEx — +168.42 6,587 +3% —
2023-12-08 2023-12-07 ADTN Protiva Brian Dir G - Gift $0.00 -100.0K 237.0K -30% $0
I 2023-12-08 2023-12-07 ADTN Protiva Brian Dir G - Gift $0.00 +100.0K 119.4K +517% $0
M 2023-11-20 2023-11-16+ ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $5.39 -31.2K 737.5K -4% -$168.2K
M 2023-11-20 2023-11-16+ ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $5.39 -6,704 97.0K -6% -$36.1K
2023-11-17 2023-11-15 ADTN STANTON THOMAS R COB, CEO, Dir F - Tax $5.51 -7,398 768.7K -1.0% -$40.8K
2023-11-17 2023-11-15 ADTN Wilson James Denson Jr Chief Revenue Off F - Tax $5.51 -1,641 103.7K -2% -$9,042
2023-09-21 2023-09-19 ADTN Hey Johanna Dir F - Tax $7.55 -78 8,294 -0.9% -$588.90
D 2023-09-07 2023-08-09 ADTN Hey Johanna Dir D - Sale to Iss — -0.97 8,372 -0.0% —
D 2023-09-07 2023-08-09 ADTN Hey Johanna Dir M - OptEx — +45.97 8,373 +0.6% —
D 2023-09-07 2023-08-09 ADTN Theodosopoulos Nikos Dir M - OptEx — +45.97 8,373 +0.6% —
D 2023-09-07 2023-08-09 ADTN Theodosopoulos Nikos Dir D - Sale to Iss — -0.97 8,372 -0.0% —

Purchase Sale Sale after option exercise All abbreviations