STX.NASDAQSeagate Technology Holdings PLC
Form 4: Seagate Technology Holdings CEO Sells Shares
Sentiment:
Insider Transaction (Form 4)
William D Mosley, CEO and a Director of Seagate Technology Holdings plc, sold 12,920 shares of common stock on August 3, 2026.
Summary
- Option exercise/conversion: acquired 14,000 Ordinary Shares at $46.23 ($647,220) on August 3, 2026; holds 325,517 after (Direct).
- Open-market sale: disposed of 80 Ordinary Shares at $783.84 ($62,707) on August 3, 2026; holds 325,437 after (Direct).
- Open-market sale: disposed of 40 Ordinary Shares at $786.12 ($31,445) on August 3, 2026; holds 325,397 after (Direct).
- Open-market sale: disposed of 160 Ordinary Shares at $787.77 ($126,043) on August 3, 2026; holds 325,237 after (Direct).
- Open-market sale: disposed of 120 Ordinary Shares at $789.55 ($94,746) on August 3, 2026; holds 325,117 after (Direct).
- Open-market sale: disposed of 440 Ordinary Shares at $790.98 ($348,032) on August 3, 2026; holds 324,677 after (Direct).
- Open-market sale: disposed of 711 Ordinary Shares at $792.72 ($563,626) on August 3, 2026; holds 323,966 after (Direct).
- Open-market sale: disposed of 480 Ordinary Shares at $793.70 ($380,977) on August 3, 2026; holds 323,486 after (Direct).
- Open-market sale: disposed of 368 Ordinary Shares at $794.39 ($292,335) on August 3, 2026; holds 323,118 after (Direct).
- Open-market sale: disposed of 761 Ordinary Shares at $795.81 ($605,615) on August 3, 2026; holds 322,357 after (Direct).
- Open-market sale: disposed of 680 Ordinary Shares at $797.04 ($541,990) on August 3, 2026; holds 321,677 after (Direct).
- Open-market sale: disposed of 560 Ordinary Shares at $797.85 ($446,795) on August 3, 2026; holds 321,117 after (Direct).
- Open-market sale: disposed of 480 Ordinary Shares at $799.27 ($383,648) on August 3, 2026; holds 320,637 after (Direct).
- Open-market sale: disposed of 520 Ordinary Shares at $800.08 ($416,041) on August 3, 2026; holds 320,117 after (Direct).
- Open-market sale: disposed of 400 Ordinary Shares at $801.04 ($320,418) on August 3, 2026; holds 319,717 after (Direct).
- Open-market sale: disposed of 360 Ordinary Shares at $802.08 ($288,750) on August 3, 2026; holds 319,357 after (Direct).
- Open-market sale: disposed of 520 Ordinary Shares at $803.73 ($417,939) on August 3, 2026; holds 318,837 after (Direct).
- Open-market sale: disposed of 840 Ordinary Shares at $804.73 ($675,975) on August 3, 2026; holds 317,997 after (Direct).
- Open-market sale: disposed of 640 Ordinary Shares at $806.47 ($516,139) on August 3, 2026; holds 317,357 after (Direct).
- Open-market sale: disposed of 280 Ordinary Shares at $807.65 ($226,142) on August 3, 2026; holds 317,077 after (Direct).
- Open-market sale: disposed of 697 Ordinary Shares at $808.72 ($563,681) on August 3, 2026; holds 316,380 after (Direct).
- Open-market sale: disposed of 383 Ordinary Shares at $809.71 ($310,119) on August 3, 2026; holds 315,997 after (Direct).
- Open-market sale: disposed of 520 Ordinary Shares at $810.44 ($421,427) on August 3, 2026; holds 315,477 after (Direct).
- Open-market sale: disposed of 640 Ordinary Shares at $811.82 ($519,563) on August 3, 2026; holds 314,837 after (Direct).
- Open-market sale: disposed of 400 Ordinary Shares at $812.84 ($325,134) on August 3, 2026; holds 314,437 after (Direct).
- Open-market sale: disposed of 366 Ordinary Shares at $814.07 ($297,951) on August 3, 2026; holds 314,071 after (Direct).
- Open-market sale: disposed of 394 Ordinary Shares at $814.99 ($321,107) on August 3, 2026; holds 313,677 after (Direct).
- Open-market sale: disposed of 320 Ordinary Shares at $815.87 ($261,079) on August 3, 2026; holds 313,357 after (Direct).
- Open-market sale: disposed of 440 Ordinary Shares at $817.17 ($359,554) on August 3, 2026; holds 312,917 after (Direct).
- Open-market sale: disposed of 320 Ordinary Shares at $818.32 ($261,861) on August 3, 2026; holds 312,597 after (Direct).
- Option exercise/conversion: disposed of 14,000 NQ Options on August 3, 2026; holds 111,100 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $10,380,838 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
William D Mosley — Director, Officer (CEO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-03 | Option exercise/conversion | Ordinary Shares | 14,000 | $46 | $647.2K | 325,517 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 80 | $784 | $62.7K | 325,437 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 40 | $786 | $31.4K | 325,397 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 160 | $788 | $126.0K | 325,237 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 120 | $790 | $94.7K | 325,117 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 440 | $791 | $348.0K | 324,677 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 711 | $793 | $563.6K | 323,966 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 480 | $794 | $381.0K | 323,486 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 368 | $794 | $292.3K | 323,118 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 761 | $796 | $605.6K | 322,357 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 680 | $797 | $542.0K | 321,677 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 560 | $798 | $446.8K | 321,117 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 480 | $799 | $383.6K | 320,637 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 520 | $800 | $416.0K | 320,117 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 400 | $801 | $320.4K | 319,717 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 360 | $802 | $288.7K | 319,357 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 520 | $804 | $417.9K | 318,837 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 840 | $805 | $676.0K | 317,997 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 640 | $806 | $516.1K | 317,357 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 280 | $808 | $226.1K | 317,077 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 697 | $809 | $563.7K | 316,380 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 383 | $810 | $310.1K | 315,997 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 520 | $810 | $421.4K | 315,477 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 640 | $812 | $519.6K | 314,837 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 400 | $813 | $325.1K | 314,437 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 366 | $814 | $298.0K | 314,071 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 394 | $815 | $321.1K | 313,677 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 320 | $816 | $261.1K | 313,357 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 440 | $817 | $359.6K | 312,917 |
| 2026-08-03 | Open-market sale | Ordinary Shares | 320 | $818 | $261.9K | 312,597 |
| 2026-08-03 | Option exercise/conversion | NQ Options | 14,000 | — | — | 111,100 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-03 | Option exercise/conversion (14,000 shares) |
| 2026-08-03 | Open-market sale (80 shares) |
| 2026-08-03 | Open-market sale (40 shares) |
| 2026-08-03 | Open-market sale (160 shares) |
| 2026-08-03 | Open-market sale (120 shares) |
| 2026-08-03 | Open-market sale (440 shares) |
| 2026-08-03 | Open-market sale (711 shares) |
| 2026-08-03 | Open-market sale (480 shares) |
| 2026-08-03 | Open-market sale (368 shares) |
| 2026-08-03 | Open-market sale (761 shares) |
| 2026-08-03 | Open-market sale (680 shares) |
| 2026-08-03 | Open-market sale (560 shares) |
| 2026-08-03 | Open-market sale (480 shares) |
| 2026-08-03 | Open-market sale (520 shares) |
| 2026-08-03 | Open-market sale (400 shares) |
| 2026-08-03 | Open-market sale (360 shares) |
| 2026-08-03 | Open-market sale (520 shares) |
| 2026-08-03 | Open-market sale (840 shares) |
| 2026-08-03 | Open-market sale (640 shares) |
| 2026-08-03 | Open-market sale (280 shares) |
| 2026-08-03 | Open-market sale (697 shares) |
| 2026-08-03 | Open-market sale (383 shares) |
| 2026-08-03 | Open-market sale (520 shares) |
| 2026-08-03 | Open-market sale (640 shares) |
| 2026-08-03 | Open-market sale (400 shares) |
| 2026-08-03 | Open-market sale (366 shares) |
| 2026-08-03 | Open-market sale (394 shares) |
| 2026-08-03 | Open-market sale (320 shares) |
| 2026-08-03 | Open-market sale (440 shares) |
| 2026-08-03 | Open-market sale (320 shares) |
| 2026-08-03 | Option exercise/conversion (14,000 shares) |
Keywords
insider transaction, Form 4, STX, Seagate Technology Holdings plc, bearish, William D Mosley
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