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Dimensional Fund Advisors LP Buys 448,848 Shares of ADTRAN Holdings, Inc. $ADTN - MarketBeatMarketBeat · Sat, 08 Aug 2026 07:36:16 GMTAdtran Holdings Inc (ADTN) Insider Buying: CFO Timothy Santo Pur - GuruFocusGuruFocus · Sat, 08 Aug 2026 07:23:37 GMTADTRAN (NASDAQ:ADTN) Lowered to Hold Rating by Wall Street Zen - MarketBeatMarketBeat · Sat, 08 Aug 2026 06:01:12 GMTADTRAN Holdings Inc (ADTN) Stock News Today - TradingKeyTradingKey · Sat, 08 Aug 2026 03:13:00 GMTADTN Jan 2027 12.000 put (ADTN270115P00012000) stock price, news, quote and history - Yahoo Finance AustraliaYahoo Finance Australia · Fri, 07 Aug 2026 15:01:41 GMTBronstein, Gewirtz & Grossman, LLC Encourages ADTRAN Holdings, Inc. (ADTN) Stockholders to Inquire about Securities Investigation - ACCESS NewswireACCESS Newswire · Fri, 07 Aug 2026 07:09:59 GMTADTN Aug 2026 9.000 call (ADTN260821C00009000) stock historical prices and data - Yahoo Finance UKYahoo Finance UK · Fri, 07 Aug 2026 03:12:25 GMTADTN Sep 2026 14.000 call (ADTN260918C00014000) stock historical prices and data - Yahoo Finance AustraliaYahoo Finance Australia · Thu, 06 Aug 2026 20:28:52 GMT