Seagate Technology PLC (STX) Insider Trading

Total insider buys:
  • $563,582,328.51
Total insider sells:
  • $987,879,670.35
Most recent insider trade:
  • June 3, 2025
Most active insider trader:
  • Stephen J Luczo
Trader NameDateTitleAmountPriceTypeTotal Value
Aug. 29, 2014CAO7,500$62.24Sell$466,800.00
Aug. 25, 2014CFO62,916$60.89Sell$3,830,955.24
Aug. 21, 2014Director4,251$60.02Sell$255,145.02
Aug. 6, 2014CEO50,000$56.60Sell$2,830,000.00
Aug. 4, 2014CEO11,230$58.27Sell$654,372.10
July 25, 2014Director10,000$59.55Sell$595,500.00
July 25, 2014EVP25,650$59.56Sell$1,527,714.00
July 24, 2014CEO150,000$59.01Sell$8,851,500.00
July 24, 2014SVP1,719$59.10Sell$101,592.90
May 13, 2014CEO54,345$50.28Sell$2,732,466.60
May 6, 2014Director10,626$50.34Sell$534,912.84
May 6, 2014Insider15,490$50.64Sell$784,413.60
April 1, 2014CEO100,000$57.00Sell$5,700,000.00
March 10, 2014SVP1,034$50.14Sell$51,844.76
Feb. 14, 2014EVP5,300$49.61Sell$262,933.00
Feb. 14, 2014Insider10,000$50.01Sell$500,100.00
Feb. 7, 2014Director25,228$49.91Sell$1,259,129.48
Feb. 6, 2014CEO60,000$49.05Sell$2,943,000.00
Feb. 4, 2014Director4,000$49.76Sell$199,040.00
Jan. 30, 2014Director2,270$53.54Sell$121,535.80
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  • Insiders are both buying and selling Seagate Technology PLC stock.

  • The insider traders at Seagate Technology PLC are: Stephen J Luczo, Holdings L.P. Valueact, William D Mosley, Ban Seng Teh, Jeffrey D Nygaard, David H Morton Jr, Valueact Capital Master Fund,, Mark Re, Katherine Schuelke, Gianluca Romano, James J Murphy, Jay L Geldmacher, David K Richarz, Malley Patrick J O, Albert A Pimentel, John Christopher Morris, Kenneth M Massaroni, Philip G Brace, Ravi Naik, Edward J Zander, Chong Sup Park, Stephen J. Luczo, Frank Biondi, Yolanda Lee Conyers, David H. Morton, Jr., Stephen Luczo, Edward J. Zander, Jeffrey D Fochtman, Douglas J Dehaan, William D. Mosley, Kian Fatt Chong, Elizabeth Moore, David Richarz, Mark Adams, Kathryn R Scolnick, Michael Cannon, Nicholls Stuart, Douglas Dehaan, Judy Bruner, Stephanie Tilenius, Dambisa F Moyo, Albert Pimentel, Jeffrey D. Nygaard, Jay Geldmacher, James J. Murphy, Gregorio Reyes, and Lydia Micheaux Marshall

  • The most active insider trader at Seagate Technology PLC is Stephen J Luczo with 56 trades.

  • Holdings L.P. Valueact has sold the most Seagate Technology PLC stock with a total value of $478,030,668.53.

  • Valueact Capital Master Fund, has bought the most Seagate Technology PLC stock with a total value of $442,438,739.15.

  • The most recent insider trade for Seagate Technology PLC was on June 3, 2025.

  • The single biggest insider buy for Seagate Technology PLC was from Valueact Capital Master Fund, with a total value of $106,504,486.02 on Aug. 13, 2018.

  • The single biggest insider sell for Seagate Technology PLC was from Holdings L.P. Valueact with a total value of $189,000,000.00 on Feb. 17, 2022.