STXNasdaq · Computer Storage Devices

Seagate Technology Holdings plc

Alert me on STX

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

101

Oct 12 Sale Rep. Lisa McClain House

1 week

−9.6%S&P −1.2%

1 month

Result in13 trading days

3 months

Result in55 trading days

6 months

Result in118 trading days

Oct 3 Sale MOSLEY WILLIAM D Insider

1 week

−15.1%S&P +0.4%

1 month

Result in7 trading days

3 months

Result in49 trading days

6 months

Result in112 trading days

Oct 3 Sale MOSLEY WILLIAM D Insider

1 week

−15.1%S&P +0.4%

1 month

Result in7 trading days

3 months

Result in49 trading days

6 months

Result in112 trading days

Sep 25 Sale Rep. Kevin Hern House

1 week

−3.7%S&P +1.2%

1 month

Result in2 trading days

3 months

Result in44 trading days

6 months

Result in107 trading days

Sep 23 Sale Morris John Christopher Insider

1 week

−0.1%S&P −0.7%

1 month

−30.4%S&P −0.5%

3 months

Result in41 trading days

6 months

Result in104 trading days

Show all 101

Sep 17 Sale Morris John Christopher Insider

1 week

+12.9%S&P +0.9%

1 month

−20.4%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 17 Sale Romano Gianluca Insider

1 week

+12.9%S&P +0.9%

1 month

−20.4%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 17 Sale Teh Ban Seng Insider

1 week

+12.9%S&P +0.9%

1 month

−20.4%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 17 Sale MOSLEY WILLIAM D Insider

1 week

+12.9%S&P +0.9%

1 month

−20.4%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Sep 16 Sale Morris John Christopher Insider

1 week

+18.0%S&P +2.1%

1 month

−11.7%S&P +2.6%

3 months

Result in36 trading days

6 months

Result in99 trading days

Sep 16 Sale Romano Gianluca Insider

1 week

+18.0%S&P +2.1%

1 month

−11.7%S&P +2.6%

3 months

Result in36 trading days

6 months

Result in99 trading days

Sep 16 Sale MOSLEY WILLIAM D Insider

1 week

+18.0%S&P +2.1%

1 month

−11.7%S&P +2.6%

3 months

Result in36 trading days

6 months

Result in99 trading days

Sep 16 Sale Romano Gianluca Insider

1 week

+18.0%S&P +2.1%

1 month

−11.7%S&P +2.6%

3 months

Result in36 trading days

6 months

Result in99 trading days

Sep 16 Sale Teh Ban Seng Insider

1 week

+18.0%S&P +2.1%

1 month

−11.7%S&P +2.6%

3 months

Result in36 trading days

6 months

Result in99 trading days

Sep 12 Sale MOSLEY WILLIAM D Insider

1 week

+8.9%S&P +1.9%

1 month

−7.2%S&P +2.5%

3 months

Result in34 trading days

6 months

Result in97 trading days

Sep 12 Sale Romano Gianluca Insider

1 week

+8.9%S&P +1.9%

1 month

−7.2%S&P +2.5%

3 months

Result in34 trading days

6 months

Result in97 trading days

Sep 12 Sale Teh Ban Seng Insider

1 week

+8.9%S&P +1.9%

1 month

−7.2%S&P +2.5%

3 months

Result in34 trading days

6 months

Result in97 trading days

Sep 12 Sale Morris John Christopher Insider

1 week

+8.9%S&P +1.9%

1 month

−7.2%S&P +2.5%

3 months

Result in34 trading days

6 months

Result in97 trading days

Sep 4 Sale Conyers Yolanda Lee Insider

1 week

−5.1%S&P −1.2%

1 month

−5.1%S&P +1.4%

3 months

Result in29 trading days

6 months

Result in92 trading days

Sep 4 Sale MOSLEY WILLIAM D Insider

1 week

−5.1%S&P −1.2%

1 month

−5.1%S&P +1.4%

3 months

Result in29 trading days

6 months

Result in92 trading days

Aug 27 Sale Lee James CI Insider

1 week

−5.7%S&P +0.3%

1 month

+8.9%S&P −0.5%

3 months

Result in23 trading days

6 months

Result in86 trading days

Aug 25 Sale Morris John Christopher Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 25 Sale Teh Ban Seng Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 25 Sale Romano Gianluca Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 25 Sale MOSLEY WILLIAM D Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 25 Sale Lee James CI Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 25 Sale Teh Ban Seng Insider

1 week

−0.6%S&P −0.5%

1 month

+10.3%S&P +0.4%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 15 Sale Teh Ban Seng Insider

1 week

−20.1%S&P −1.2%

1 month

−21.3%S&P −2.4%

3 months

Result in15 trading days

6 months

Result in78 trading days

Aug 12 Sale Romano Gianluca Insider

1 week

−5.2%S&P −0.4%

1 month

−5.5%S&P −1.1%

3 months

Result in12 trading days

6 months

Result in75 trading days

Aug 12 Sale Romano Gianluca Insider

1 week

−5.2%S&P −0.4%

1 month

−5.5%S&P −1.1%

3 months

Result in12 trading days

6 months

Result in75 trading days

Aug 12 Sale Romano Gianluca Insider

1 week

−5.2%S&P −0.4%

1 month

−5.5%S&P −1.1%

3 months

Result in12 trading days

6 months

Result in75 trading days

Aug 5 Sale Morris John Christopher Insider

1 week

+4.8%S&P +0.4%

1 month

−4.7%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Aug 5 Sale MOSLEY WILLIAM D Insider

1 week

+4.8%S&P +0.4%

1 month

−4.7%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Aug 5 Sale MOSLEY WILLIAM D Insider

1 week

+4.8%S&P +0.4%

1 month

−4.7%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Aug 4 Sale Lee James CI Insider

1 week

−2.9%S&P −0.1%

1 month

−4.4%S&P −0.8%

3 months

Result in6 trading days

6 months

Result in69 trading days

Jul 25 Sale Lee James CI Insider

1 week

+1.7%S&P +2.5%

1 month

+0.6%S&P +3.6%

3 months

−22.8%S&P +3.1%

6 months

Result in63 trading days

Jul 21 Buy Sen. Alan Armstrong Senate

1 week

−15.8%S&P −2.4%

1 month

−6.4%S&P +2.0%

3 months

−25.6%S&P +3.2%

6 months

Result in60 trading days

Jul 3 Sale MOSLEY WILLIAM D Insider

1 week

−0.9%S&P −0.3%

1 month

−2.6%S&P +2.7%

3 months

−2.1%S&P +2.7%

6 months

Result in48 trading days

Jul 3 Sale MOSLEY WILLIAM D Insider

1 week

−0.9%S&P −0.3%

1 month

−2.6%S&P +2.7%

3 months

−2.1%S&P +2.7%

6 months

Result in48 trading days

Jun 16 Sale Romano Gianluca Insider

1 week

−3.6%S&P −2.0%

1 month

−23.6%S&P −0.7%

3 months

−24.0%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale MOSLEY WILLIAM D Insider

1 week

−3.6%S&P −2.0%

1 month

−23.6%S&P −0.7%

3 months

−24.0%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale Teh Ban Seng Insider

1 week

−3.6%S&P −2.0%

1 month

−23.6%S&P −0.7%

3 months

−24.0%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale Morris John Christopher Insider

1 week

−3.6%S&P −2.0%

1 month

−23.6%S&P −0.7%

3 months

−24.0%S&P +0.8%

6 months

Result in36 trading days

Jun 12 Sale Romano Gianluca Insider

1 week

+17.5%S&P +0.6%

1 month

−11.0%S&P +2.0%

3 months

−13.4%S&P +2.8%

6 months

Result in34 trading days

Jun 12 Sale Teh Ban Seng Insider

1 week

+17.5%S&P +0.6%

1 month

−11.0%S&P +2.0%

3 months

−13.4%S&P +2.8%

6 months

Result in34 trading days

Jun 12 Sale MOSLEY WILLIAM D Insider

1 week

+17.5%S&P +0.6%

1 month

−11.0%S&P +2.0%

3 months

−13.4%S&P +2.8%

6 months

Result in34 trading days

Jun 12 Sale Morris John Christopher Insider

1 week

+17.5%S&P +0.6%

1 month

−11.0%S&P +2.0%

3 months

−13.4%S&P +2.8%

6 months

Result in34 trading days

Jun 5 Sale Arumugavelu Shankar Insider

1 week

+9.9%S&P +0.6%

1 month

+1.6%S&P +1.3%

3 months

+0.3%S&P +4.7%

6 months

Result in29 trading days

Jun 3 Sale Conyers Yolanda Lee Insider

1 week

−13.3%S&P −3.8%

1 month

−7.6%S&P −0.1%

3 months

−14.0%S&P +1.7%

6 months

Result in27 trading days

Jun 3 Sale BHATT PRAT Insider

1 week

−13.3%S&P −3.8%

1 month

−7.6%S&P −0.1%

3 months

−14.0%S&P +1.7%

6 months

Result in27 trading days

Jun 3 Sale MOSLEY WILLIAM D Insider

1 week

−13.3%S&P −3.8%

1 month

−7.6%S&P −0.1%

3 months

−14.0%S&P +1.7%

6 months

Result in27 trading days

Jun 3 Sale MOSLEY WILLIAM D Insider

1 week

−13.3%S&P −3.8%

1 month

−7.6%S&P −0.1%

3 months

−14.0%S&P +1.7%

6 months

Result in27 trading days

May 22 Sale MOSLEY WILLIAM D Insider

1 week

+13.4%S&P +1.7%

1 month

+22.3%S&P −1.4%

3 months

−2.2%S&P +2.7%

6 months

Result in20 trading days

May 15 Sale Teh Ban Seng Insider

1 week

+2.2%S&P +0.9%

1 month

+29.7%S&P +1.5%

3 months

+25.2%S&P +4.8%

6 months

Result in15 trading days

May 9 Sale Romano Gianluca Insider

1 week

−11.2%S&P −0.1%

1 month

−2.2%S&P −1.9%

3 months

−1.5%S&P +4.5%

6 months

Result in11 trading days

May 9 Sale Romano Gianluca Insider

1 week

−11.2%S&P −0.1%

1 month

−2.2%S&P −1.9%

3 months

−1.5%S&P +4.5%

6 months

Result in11 trading days

May 7 Sale Tilenius Stephanie Insider

1 week

+5.0%S&P +2.3%

1 month

+14.4%S&P +1.0%

3 months

+6.1%S&P +6.0%

6 months

Result in9 trading days

May 7 Sale Morris John Christopher Insider

1 week

+5.0%S&P +2.3%

1 month

+14.4%S&P +1.0%

3 months

+6.1%S&P +6.0%

6 months

Result in9 trading days

May 7 Sale Lee James CI Insider

1 week

+5.0%S&P +2.3%

1 month

+14.4%S&P +1.0%

3 months

+6.1%S&P +6.0%

6 months

Result in9 trading days

Apr 3 Sale MOSLEY WILLIAM D Insider

1 week

+13.2%S&P +4.1%

1 month

+70.1%S&P +9.8%

3 months

+82.7%S&P +13.8%

6 months

+96.0%S&P +18.2%

Mar 24 Sale MOSLEY WILLIAM D Insider

1 week

−7.6%S&P −0.4%

1 month

+38.5%S&P +8.5%

3 months

+134.3%S&P +12.5%

6 months

+118.0%S&P +18.1%

Mar 17 Sale Morris John Christopher Insider

1 week

+0.9%S&P −2.4%

1 month

+26.5%S&P +4.9%

3 months

+145.4%S&P +12.2%

6 months

+86.5%S&P +13.0%

Mar 4 Sale Conyers Yolanda Lee Insider

1 week

+2.9%S&P −1.3%

1 month

+14.7%S&P −4.0%

3 months

+151.3%S&P +10.4%

6 months

+116.2%S&P +12.3%

Mar 4 Sale MOSLEY WILLIAM D Insider

1 week

+2.9%S&P −1.3%

1 month

+14.7%S&P −4.0%

3 months

+151.3%S&P +10.4%

6 months

+116.2%S&P +12.3%

Feb 26 Sale Morris John Christopher Insider

1 week

−10.3%S&P −1.2%

1 month

−7.1%S&P −7.8%

3 months

+115.4%S&P +9.8%

6 months

+107.3%S&P +12.5%

Feb 24 Sale Chong Kian Fatt Insider

1 week

−9.7%S&P −1.0%

1 month

+4.5%S&P −4.2%

3 months

+113.9%S&P +9.5%

6 months

+108.0%S&P +12.0%

Feb 4 Sale MOSLEY WILLIAM D Insider

1 week

−2.7%S&P +0.8%

1 month

−15.7%S&P −2.0%

3 months

+88.2%S&P +7.2%

6 months

+104.3%S&P +12.6%

Feb 3 Sale Teh Ban Seng Insider

1 week

−10.8%S&P +0.4%

1 month

−17.3%S&P −1.2%

3 months

+73.8%S&P +5.3%

6 months

+88.9%S&P +12.2%

Feb 3 Sale Geldmacher Jay L Insider

1 week

−10.8%S&P +0.4%

1 month

−17.3%S&P −1.2%

3 months

+73.8%S&P +5.3%

6 months

+88.9%S&P +12.2%

Jan 29 Sale Lee James CI Insider

1 week

−9.2%S&P −2.4%

1 month

−15.0%S&P −1.1%

3 months

+51.1%S&P +3.8%

6 months

+92.2%S&P +8.2%

Jan 15 Sale Rep. Julie Johnson House

1 week

+9.8%S&P +0.2%

1 month

+30.0%S&P −0.8%

3 months

+65.7%S&P +2.8%

6 months

+174.1%S&P +8.8%

Jan 15 Sale Teh Ban Seng Insider

1 week

+8.0%S&P −0.4%

1 month

+29.9%S&P −1.4%

3 months

+71.3%S&P +2.9%

6 months

+151.2%S&P +7.8%

Jan 7 Sale MOSLEY WILLIAM D Insider

1 week

+1.3%S&P +0.1%

1 month

+39.3%S&P +0.2%

3 months

+62.7%S&P −1.1%

6 months

+196.1%S&P +10.1%

Dec 17, 2025 Sale Morris John Christopher Insider

1 week

+3.0%S&P +3.1%

1 month

+17.7%S&P +1.2%

3 months

+48.5%S&P −2.8%

6 months

+295.8%S&P +11.8%

Dec 13, 2025 Sale Teh Ban Seng Insider

1 week

−1.0%S&P +0.9%

1 month

+12.5%S&P +2.0%

3 months

+42.8%S&P −2.6%

6 months

+274.9%S&P +9.5%

Dec 11, 2025 Sale Rep. Julie Johnson House

1 week

+3.0%S&P +0.1%

1 month

+8.8%S&P +1.6%

3 months

+46.8%S&P −1.3%

6 months

+260.1%S&P +10.7%

Dec 3, 2025 Sale Conyers Yolanda Lee Insider

1 week

+15.6%S&P +0.5%

1 month

+12.3%S&P +0.9%

3 months

+36.7%S&P −1.4%

6 months

+229.1%S&P +8.5%

Dec 3, 2025 Sale MOSLEY WILLIAM D Insider

1 week

+15.6%S&P +0.5%

1 month

+12.3%S&P +0.9%

3 months

+36.7%S&P −1.4%

6 months

+229.1%S&P +8.5%

Nov 16, 2025 Sale Rep. Kevin Hern House

1 week

−3.1%S&P +0.5%

1 month

+6.2%S&P +0.9%

3 months

+56.9%S&P +3.1%

6 months

+188.6%S&P +12.0%

Nov 15, 2025 Sale Romano Gianluca Insider

1 week

−3.1%S&P +0.5%

1 month

+6.2%S&P +0.9%

3 months

+56.9%S&P +3.1%

6 months

+188.6%S&P +12.0%

Nov 15, 2025 Sale Romano Gianluca Insider

1 week

−3.1%S&P +0.5%

1 month

+6.2%S&P +0.9%

3 months

+56.9%S&P +3.1%

6 months

+188.6%S&P +12.0%

Nov 13, 2025 Sale Arumugavelu Shankar Insider

1 week

−8.4%S&P −2.9%

1 month

+8.8%S&P +1.3%

3 months

+58.8%S&P +1.9%

6 months

+183.4%S&P +10.5%

Nov 13, 2025 Sale Teh Ban Seng Insider

1 week

−8.4%S&P −2.9%

1 month

+8.8%S&P +1.3%

3 months

+58.8%S&P +1.9%

6 months

+183.4%S&P +10.5%

Nov 13, 2025 Sale Lee James CI Insider

1 week

−8.4%S&P −2.9%

1 month

+8.8%S&P +1.3%

3 months

+58.8%S&P +1.9%

6 months

+183.4%S&P +10.5%

Nov 6, 2025 Sale Tilenius Stephanie Insider

1 week

−5.7%S&P +0.3%

1 month

+2.5%S&P +2.0%

3 months

+53.0%S&P +3.8%

6 months

+200.8%S&P +10.9%

Nov 6, 2025 Sale Teh Ban Seng Insider

1 week

−5.7%S&P +0.3%

1 month

+2.5%S&P +2.0%

3 months

+53.0%S&P +3.8%

6 months

+200.8%S&P +10.9%

Nov 6, 2025 Sale MOSLEY WILLIAM D Insider

1 week

−5.7%S&P +0.3%

1 month

+2.5%S&P +2.0%

3 months

+53.0%S&P +3.8%

6 months

+200.8%S&P +10.9%

Nov 4, 2025 Sale Chong Kian Fatt Insider

1 week

+15.0%S&P +1.1%

1 month

+6.1%S&P +1.4%

3 months

+62.4%S&P +0.6%

6 months

+207.5%S&P +9.0%

Nov 4, 2025 Sale Geldmacher Jay L Insider

1 week

+15.0%S&P +1.1%

1 month

+6.1%S&P +1.4%

3 months

+62.4%S&P +0.6%

6 months

+207.5%S&P +9.0%

Oct 22, 2025 Buy Rep. Lisa McClain House

1 week

+18.5%S&P +1.2%

1 month

+4.9%S&P −1.9%

3 months

+58.7%S&P +3.4%

6 months

+164.3%S&P +7.1%

Oct 16, 2025 Sale Teh Ban Seng Insider

1 week

+0.2%S&P +1.7%

1 month

+14.2%S&P +1.7%

3 months

+44.7%S&P +5.0%

6 months

+139.8%S&P +7.9%

Oct 4, 2025 Sale MOSLEY WILLIAM D Insider

1 week

−9.6%S&P −1.3%

1 month

+3.1%S&P +0.5%

3 months

+36.4%S&P +3.3%

6 months

+105.3%S&P +1.2%

Sep 18, 2025 Sale Morris John Christopher Insider

1 week

+1.5%S&P −0.4%

1 month

+4.4%S&P +0.6%

3 months

+28.6%S&P +1.7%

6 months

+90.9%S&P −1.2%

Sep 16, 2025 Sale Morris John Christopher Insider

1 week

+8.1%S&P +0.8%

1 month

+4.2%S&P +1.1%

3 months

+35.7%S&P +3.4%

6 months

+93.8%S&P +0.8%

Sep 16, 2025 Sale Teh Ban Seng Insider

1 week

+8.1%S&P +0.8%

1 month

+4.2%S&P +1.1%

3 months

+35.7%S&P +3.4%

6 months

+93.8%S&P +0.8%

Sep 12, 2025 Sale Teh Ban Seng Insider

1 week

+12.9%S&P +1.2%

1 month

+12.3%S&P +1.1%

3 months

+57.6%S&P +5.1%

6 months

+104.6%S&P +2.3%

Sep 11, 2025 Sale Rep. Julie Johnson House

1 week

+12.9%S&P +1.2%

1 month

+12.3%S&P +1.1%

3 months

+57.6%S&P +5.1%

6 months

+104.6%S&P +2.3%

Sep 5, 2025 Sale MOSLEY WILLIAM D Insider

1 week

+4.2%S&P +1.6%

1 month

+29.4%S&P +4.1%

3 months

+41.6%S&P +6.0%

6 months

+100.1%S&P +5.4%

Sep 5, 2025 Sale Conyers Yolanda Lee Insider

1 week

+4.2%S&P +1.6%

1 month

+29.4%S&P +4.1%

3 months

+41.6%S&P +6.0%

6 months

+100.1%S&P +5.4%

Aug 14, 2025 Sale Rep. Julie Johnson House

1 week

+3.1%S&P +0.3%

1 month

+36.7%S&P +2.6%

3 months

+70.5%S&P +4.7%

6 months

+170.9%S&P +6.7%

May 8, 2025 Sale Rep. Rob Bresnahan House

1 week

+12.6%S&P +5.3%

1 month

+33.7%S&P +6.9%

3 months

+59.3%S&P +13.0%

6 months

+194.3%S&P +19.6%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for STX

246 held · newest 5246 held · newest 2

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See all 246 filings for STX

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G, amended

Sanders Capital, LLC: 1.6%, 3,496,343 shares

Jun 30, 2026 Schedule 13G, amended

Vanguard Portfolio Management: 3.6%, 7,999,686 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 7.5%, 16,318,822 shares

Mar 31, 2026 Schedule 13G

Vanguard Portfolio Management: 5.1%, 11,094,908 shares

Mar 31, 2026 Schedule 13G, amended

Sanders Capital, LLC: 6%, 13,035,275 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Oct 31, 2025 Schedule 13G, amended

JPMORGAN CHASE & CO.: 4%, 8,654,624 shares

Sep 30, 2025 Schedule 13G, amended

JPMORGAN CHASE & CO.: 5.6%, 11,974,030 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.