Dylan G. Haggart Seagate Technology Holdings PLC (STX) insider trading activity

Dylan G. Haggart is Director of Seagate Technology Holdings plc. Currently has a direct ownership of 14,515 shares of STX, which is worth approximately $3.75 Million. The most recent transaction as insider was on Oct 19, 2025, when has been sold 647 shares (Ordinary Shares) at a price of $225.4 per share, resulting in proceeds of $145,833. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 14.5K

16.41% 3M change

16.41% 12M change

Total Value Held $3.75 Million

Dylan G. Haggart Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Oct 19 2025	SELL Payment of exercise price or tax liability	$145,833 $225.4 p/Share	647 Reduced 4.27%	14,515 Ordinary Shares
Oct 19 2025	BUY Exercise of conversion of derivative security	-	2,693 Added 15.08%	15,162 Ordinary Shares
Oct 19 2024	BUY Exercise of conversion of derivative security	-	4,271 Added 25.51%	12,469 Ordinary Shares
Oct 23 2023	SELL Payment of exercise price or tax liability	$89,392 $65.25 p/Share	1,370 Reduced 11.74%	10,303 Ordinary Shares
Oct 23 2023	BUY Exercise of conversion of derivative security	-	3,803 Added 24.57%	11,673 Ordinary Shares
Oct 20 2022	SELL Payment of exercise price or tax liability	$60,401 $53.03 p/Share	1,139 Reduced 12.64%	7,870 Ordinary Shares
Oct 20 2022	BUY Exercise of conversion of derivative security	-	3,162 Added 25.98%	9,009 Ordinary Shares
Oct 20 2021	SELL Payment of exercise price or tax liability	$169,516 $80.53 p/Share	2,105 Reduced 36.0%	3,742 Ordinary Shares
Oct 20 2021	BUY Exercise of conversion of derivative security	-	5,847 Added 50.0%	5,847 Ordinary Shares
Oct 21 2020	SELL Payment of exercise price or tax liability	$103,845 $51.69 p/Share	2,009 Reduced 22.64%	6,863 Ordinary Shares
Oct 21 2020	BUY Exercise of conversion of derivative security	-	5,579 Added 38.61%	8,872 Ordinary Shares
Oct 28 2019	SELL Payment of exercise price or tax liability	$107,011 $57.75 p/Share	1,853 Reduced 36.01%	3,293 Ordinary Shares
Oct 28 2019	BUY Exercise of conversion of derivative security	-	5,146 Added 50.0%	5,146 Ordinary Shares
Oct 29 2018	SELL Payment of exercise price or tax liability	$71,990 $37.83 p/Share	1,903 Reduced 36.01%	3,382 Ordinary Shares
Oct 29 2018	BUY Exercise of conversion of derivative security	-	5,285 Added 50.0%	5,285 Ordinary Shares

Also insider at

FISV

FISERV INC Technology

Director

DGH

Dylan G. Haggart

Director

San Francisco, CA

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