ADTN r&d expenses history

Trailing twelve months (TTM) · USD. Each value covers four complete reported quarters.

Adtran Holdings Inc R&D Expenses — Trailing twelve months (TTM) (USD)
Period ending	R&D Expenses (USD)
Jun 30, 2026	208,078,000
Mar 31, 2026	206,194,000
Dec 31, 2025	204,276,000
Sep 30, 2025	201,644,000
Jun 30, 2025	201,579,000
Mar 31, 2025	210,072,000
Dec 31, 2024	217,403,000
Sep 30, 2024	223,011,000
Jun 30, 2024	234,148,000
Mar 31, 2024	244,358,000
Dec 31, 2023	258,311,000
Sep 30, 2023	265,063,000
Jun 30, 2023	261,507,000
Mar 31, 2023	217,409,000
Dec 31, 2022	173,757,000
Sep 30, 2022	138,719,000
Jun 30, 2022	106,282,000
Mar 31, 2022	107,653,000
Dec 31, 2021	108,663,000
Sep 30, 2021	109,624,000
Jun 30, 2021	110,088,000
Mar 31, 2021	110,929,000
Dec 31, 2020	113,287,000
Sep 30, 2020	117,015,000
Jun 30, 2020	121,627,000
Mar 31, 2020	124,979,000
Dec 31, 2019	126,767,000
Sep 30, 2019	126,638,000
Jun 30, 2019	124,680,000
Mar 31, 2019	123,345,000
Dec 31, 2018	124,547,000
Sep 30, 2018	124,944,000
Jun 30, 2018	128,595,000
Mar 31, 2018	131,367,000
Dec 31, 2017	130,434,000
Sep 30, 2017	131,022,000
Jun 30, 2017	129,456,000
Mar 31, 2017	127,232,000
Dec 31, 2016	124,804,000
Sep 30, 2016	122,027,000
Jun 30, 2016	122,626,000
Mar 31, 2016	126,828,000
Dec 31, 2015	129,876,000
Sep 30, 2015	133,287,000
Jun 30, 2015	134,050,000
Mar 31, 2015	132,241,000
Dec 31, 2014	132,258,000
Sep 30, 2014	132,488,000
Jun 30, 2014	131,707,000
Mar 31, 2014	131,097,000
Dec 31, 2013	131,055,000
Sep 30, 2013	131,230,000
Jun 30, 2013	134,269,000
Mar 31, 2013	133,667,000
Dec 31, 2012	125,951,000
Sep 30, 2012	117,986,000
Jun 30, 2012	109,298,000
Mar 31, 2012	101,459,000
Dec 31, 2011	100,301,000
Sep 30, 2011	97,612,000
Jun 30, 2011	93,520,000
Mar 31, 2011	91,158,000
Dec 31, 2010	90,300,000
Sep 30, 2010	89,094,000
Jun 30, 2010	86,789,000
Mar 31, 2010	85,202,000
Dec 31, 2009	83,285,000
Sep 30, 2009	82,392,000
Jun 30, 2009	83,583,000
Mar 31, 2009	83,128,000
Dec 31, 2008	81,819,000
Sep 30, 2008	80,184,000
Jun 30, 2008	77,231,000
Mar 31, 2008	76,562,000
Dec 31, 2007	75,367,000
Sep 30, 2007	73,758,000
Jun 30, 2007	73,369,000
Mar 31, 2007	71,292,000
Dec 31, 2006	70,700,000
Sep 30, 2006	68,438,000
Jun 30, 2006	65,179,000
Mar 31, 2006	64,077,000
Dec 31, 2005	62,654,000
Sep 30, 2005	65,609,000
Jun 30, 2005	69,381,000
Mar 31, 2005	68,910,000
Dec 31, 2004	67,384,000
Sep 30, 2004	64,817,204
Jun 30, 2004	60,947,652
Mar 31, 2004	58,690,508
Dec 31, 2003	58,143,999
Sep 30, 2003	56,713,551
Jun 30, 2003	55,732,631
Mar 31, 2003	56,731,278
Dec 31, 2002	56,295,048
Sep 30, 2002	56,461,147
Jun 30, 2002	57,632,953
Mar 31, 2002	57,920,499
Dec 31, 2001	58,934,952
Sep 30, 2001	58,560,183