The above is AI-generated from public regulatory filings and summarizes historical data only. It is not investment advice and should not be used as the basis for any buy or sell decision.

Insider Trading (Form 4)

90d confidence

unique buyers

—

buy value

data as of 2026-07-16

12-Month Buy/Sell Activity

Apr 25

Jul 25

Oct 25

Jan 26

BuySell

操作	內部人	職稱	交易日	金額
賣出	MOSLEY WILLIAM D	CEO	2026-03-19	$10.00M
賣出	Morris John Christopher	EVP & CTO	2026-03-13	$42K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$80K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$40K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$121K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$317K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$237K
賣出	MOSLEY WILLIAM D	CEO	2026-03-02	$41K

View all insider trades →

Form 144 Pre-Sale Notices

Filings (90d)

$9.26M

Total Est. Value

11K shares

Planned Shares

Last Filed 2026-06-12

Filer	Title/Relationship	Filing Date	Planned Shares	Est. Value
Teh Ban Seng	Officer	2026-06-12	989 shares	$871K
Morris John Christopher	Officer	2026-06-12	466 shares	$405K
MOSLEY WILLIAM D	Officer, Director	2026-06-12	2K shares	$1.54M
Romano Gianluca	Officer	2026-06-12	904 shares	$785K
MOSLEY WILLIAM D	Officer, Director	2026-06-11	3K shares	$2.50M
Romano Gianluca	Officer	2026-06-11	1K shares	$1.18M
Morris John Christopher	Officer	2026-06-10	574 shares	$503K
Teh Ban Seng	Officer	2026-06-10	663 shares	$545K
Arumugavelu Shankar	Director	2026-06-04	1K shares	$928K

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

No Form 8-K filings for this ticker

FAQ

Who are the top institutional investors holding Seagate Technology Holdings plc (STX)?

Major stakeholders currently include BlackRock, Inc. ($5.6B), Vanguard Capital Management LLC ($5.5B), Sanders Capital, LLC ($5.1B). Based on the latest 13F filings, there are a total of 1467 tracked investment funds and institutions maintaining positions in STX.

What is the overall institutional sentiment toward STX recently?

Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $21.4B, driven by 784 managers accumulating shares while 606 reduced their exposure.

Which institutions have been selling or reducing their STX positions?

In the latest period, 500 funds trimmed their holdings, and 106 managers completely exited their positions. The aggregate reported sell value was $37.9B.

Are there any notable investors adding STX to their portfolios?

Yes, buying activity remains notable. 293 institutions opened new positions in {ticker}, and 491 existing holders added to their shares. The total reported buy value for the quarter amounted to $27.3B.