Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 35 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

35 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 14, 2015 STX S 5,000 $51.78 $258,900 79,202 Indirect -5.94% Disposed 1455.9% (price as of 2026-10-06)
Aug. 13, 2015 STX S 5,000 $51.56 $257,800 84,202 Indirect -5.61% Disposed 1462.5% (price as of 2026-10-06)
April 23, 2015 STX S 11,830 $58.99 $697,852 41,488 Direct -22.19% Disposed 1265.7% (price as of 2026-10-06)
Nov. 18, 2014 STX S 40,000 $64.83 $2,593,200 52,873 Direct -43.07% Disposed 1142.7% (price as of 2026-10-06)
Nov. 17, 2014 STX S 10,000 $63.90 $639,000 52,873 Direct -15.91% Disposed 1160.8% (price as of 2026-10-06)
Sept. 11, 2014 STX S 3,172 $60.52 $191,969 52,873 Direct -5.66% Disposed 1231.2% (price as of 2026-10-06)
Sept. 10, 2014 STX S 2,744 $60.78 $166,780 56,045 Direct -4.67% Disposed 1225.5% (price as of 2026-10-06)
May 5, 2014 STX S 11,870 $50.01 $593,619 19,300 Direct -38.08% Disposed 1510.9% (price as of 2026-10-06)
Feb. 14, 2014 STX S 2,965 $50.01 $148,280 48,648 Indirect -5.74% Disposed 1510.9% (price as of 2026-10-06)
Feb. 13, 2014 STX S 2,835 $49.96 $141,637 51,613 Indirect -5.21% Disposed 1512.6% (price as of 2026-10-06)
Feb. 12, 2014 STX S 4,200 $50.05 $210,210 54,448 Indirect -7.16% Disposed 1509.7% (price as of 2026-10-06)
Nov. 6, 2013 STX S 10,000 $48.51 $485,100 31,170 Direct -24.29% Disposed 1560.8% (price as of 2026-10-06)
Nov. 1, 2013 STX S 655 $48.62 $31,846 31,170 Direct -2.06% Disposed 1557.0% (price as of 2026-10-06)
Sept. 11, 2013 STX S 10b5-1 3,175 $40.55 $128,746 31,825 Direct -9.07% Disposed 1886.8% (price as of 2026-10-06)
July 31, 2013 STX S 20,000 $40.72 $814,400 35,000 Direct -36.36% Disposed 1878.5% (price as of 2026-10-06)
May 7, 2013 STX S 41,500 $42.19 $1,750,885 1,250 Direct -97.08% Disposed 1809.5% (price as of 2026-10-06)
Nov. 5, 2012 STX S 1,250 $28.53 $35,662 32,750 Direct -3.68% Disposed 2723.8% (price as of 2026-10-06)
April 23, 2012 STX S 11,550 $29.27 $338,068 26,200 Direct -30.60% Disposed 2652.4% (price as of 2026-10-06)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Sept. 9, 2015 STX NQ Stock Options Ordinary Shares (77,754) $50.10 Sept. 9, 2022 77,754 Acquired
Nov. 18, 2014 STX NQ Stock Options Ordinary Shares (40,000) $14.81 April 6, 2018 40,000 Disposed
Nov. 17, 2014 STX NQ Stock Options Ordinary Shares (10,000) $14.81 April 6, 2018 10,000 Disposed
Sept. 9, 2014 STX NQ Stock Options Ordinary Shares (31,500) $60.83 Sept. 9, 2021 31,500 Acquired
Nov. 6, 2013 STX NQ Stock Options Ordinary Shares (10,000) $3.84 March 3, 2016 10,000 Disposed
Sept. 9, 2013 STX NQ Stock Options Ordinary Shares (35,000) $40.16 Sept. 9, 2020 35,000 Acquired
July 31, 2013 STX NQ Stock Options Ordinary Shares (20,000) $3.84 March 3, 2016 20,000 Disposed
May 7, 2013 STX NQ Stock Options Ordinary Shares (10,000) $3.84 March 3, 2016 10,000 Disposed
Sept. 10, 2012 STX NQ Options Ordinary Shares (40,000) $29.87 Sept. 10, 2019 40,000 Acquired
April 6, 2011 STX NQ Stock Options Ordinary Shares (647,500) $14.81 April 6, 2018 647,500 Acquired
Oct. 28, 2009 STX NQ Stock Options Common Shares (10,000) $14.82 Oct. 28, 2016 10,000 Acquired
March 3, 2009 STX NQ Stock Options Common Shares (55,000) $3.84 March 3, 2016 55,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
April 24, 2009 STX Common Shares 12,000 Indirect
March 9, 2009 STX Common Shares 6,000 Indirect

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

STX

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2016 $623,095 · $2,935,781 $732,418 · · $4,500 $4,295,794
2015 $600,018 · $2,488,763 $427,708 $458,402 · $181,460 $4,156,351
2014 $600,018 · $2,156,210 $346,172 $583,217 · $23,428 $3,709,045

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.