Were the Seagate (STX) CEO’s share sales made under a Rule 10b5-1 plan?

Yes. A footnote states all transactions were effected under a Rule 10b5-1 trading plan adopted on February 18, 2026 . Such plans pre-schedule trades, reducing the significance of timing as a signal of management’s near-term market view.

Seagate (NASDAQ: STX) CEO sells 13,780 shares in Rule 10b5-1 plan trades

Q: What did Seagate (STX) CEO William D. Mosley report in this Form 4?

He reported selling 13,780 Ordinary Shares of Seagate Technology Holdings plc in open-market transactions on June 1, 2026 . The trades were executed under a Rule 10b5-1 trading plan , indicating they were pre-scheduled rather than opportunistic sales.

Q: Does this Seagate (STX) Form 4 include any stock option exercises or derivatives?

No. The transactions involve only non-derivative Ordinary Shares , and the filing’s derivativeSummary is empty. There are no reported option exercises, conversions, or other derivative transactions associated with this Form 4 event.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Seagate Technology Holdings plc CEO William D. Mosley reported open-market sales of 13,780 Ordinary Shares of the company on June 1, 2026. The transactions were carried out pursuant to a Rule 10b5-1 trading plan adopted on February 18, 2026, indicating they were pre-scheduled rather than discretionary trades.

The shares were sold in multiple trades at prices ranging from $916.34 to $940.07 per share, with each line item reflecting a weighted average sale price. Following these sales, Mosley directly holds 337,051 Ordinary Shares of Seagate, so the filing shows a reduction but with a substantial remaining ownership stake.

Insights

Pre-planned CEO sales of 13,780 shares look routine in scale.

CEO William D. Mosley sold 13,780 Ordinary Shares of Seagate Technology Holdings plc in 20 open-market transactions on June 1, 2026. All trades were executed under a Rule 10b5-1 trading plan adopted on February 18, 2026, signaling they were pre-arranged.

Sale prices ranged from $916.34 to $940.07 per share, reported as weighted averages for multiple trades within each range. After these disposals, Mosley still directly owns 337,051 Ordinary Shares, suggesting the transactions represent a modest portion of his visible holdings.

The filing shows no option exercises or derivative activity; derivativeSummary is empty. Overall, this appears to be routine, pre-planned diversification rather than a thesis-changing move, and its impact depends largely on broader company performance disclosed in future filings.

Insider Trade Summary 10b5-1

Net Seller: 13,780 shares ($12,746,389)

Net Sell 20 txns

Insider MOSLEY WILLIAM D

Role CEO

Sold 13,780 shs ($12.75M)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	320	$916.775	$293K
Sale	Ordinary Shares	480	$918.7488	$441K
Sale	Ordinary Shares	1,691	$919.6229	$1.56M
Sale	Ordinary Shares	1,730	$920.9012	$1.59M
Sale	Ordinary Shares	1,807	$921.7474	$1.67M
Sale	Ordinary Shares	1,598	$922.9496	$1.47M
Sale	Ordinary Shares	480	$923.5783	$443K
Sale	Ordinary Shares	360	$924.8844	$333K
Sale	Ordinary Shares	871	$925.8728	$806K
Sale	Ordinary Shares	320	$926.83	$297K
Sale	Ordinary Shares	320	$928.2125	$297K
Sale	Ordinary Shares	1,480	$929.3797	$1.38M
Sale	Ordinary Shares	240	$930.1233	$223K
Sale	Ordinary Shares	200	$931.646	$186K
Sale	Ordinary Shares	415	$933.25	$387K
Sale	Ordinary Shares	440	$934.1709	$411K
Sale	Ordinary Shares	320	$935.4413	$299K
Sale	Ordinary Shares	355	$937.3861	$333K
Sale	Ordinary Shares	273	$938.8178	$256K
Sale	Ordinary Shares	80	$939.995	$75K

Holdings After Transaction: Ordinary Shares — 337,051 shares (Direct, null)

Footnotes (1)

All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026. These Ordinary Shares were sold in multiple trades at prices ranging from $916.34 to $917.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $918.07 to $919.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $919.24 to $920.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $920.26 to $921.25. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $921.33 to $922.32. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $922.39 to $923.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $923.39 to $923.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $924.39 to $925.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $925.39 to $926.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $926.39 to $927.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $927.63 to $928.56. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $928.88 to $929.83. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $929.90 to $930.47. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $931.53 to $931.85. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $932.70 to $933.66. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $933.99 to $934.50. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $935.19 to $935.81. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $937.08 to $937.64. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $938.43 to $939.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. These Ordinary Shares were sold in multiple trades at prices ranging from $939.92 to $940.07. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Key Figures

Shares sold: 13,780 shares Holdings after sale: 337,051 shares Highest reported sale price: $940.07 per share +3 more

6 metrics

Shares sold 13,780 shares Total Ordinary Shares sold on June 1, 2026

Holdings after sale 337,051 shares Ordinary Shares directly owned after transactions

Highest reported sale price $940.07 per share Upper end of disclosed trade price ranges

Lowest reported sale price $916.34 per share Lower end of disclosed trade price ranges

Number of sale transactions 20 transactions Non-derivative open-market sales reported

Trading plan adoption date February 18, 2026 Date CEO adopted Rule 10b5-1 trading plan

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, Ordinary Shares, open-market sale

4 terms

Rule 10b5-1 trading plan financial

"All transactions were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average sale price financial

"The price reported above reflects the weighted average sale price"

Ordinary Shares financial

"These Ordinary Shares were sold in multiple trades at prices ranging"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

open-market sale financial

"transaction_action is described as an open-market sale of Ordinary Shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

06/02/2026 - 05:16 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MOSLEY WILLIAM D

(Last)

(First)

(Middle)

SEAGATE TECHNOLOGY HOLDINGS PLC

47488 KATO ROAD

(Street)

FREMONT

CALIFORNIA

94538

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Seagate Technology Holdings plc [ STX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	06/01/2026		S		320⁽¹⁾	D	$916.775⁽²⁾	337,051	D
Ordinary Shares	06/01/2026		S		480	D	$918.7488⁽³⁾	336,571	D
Ordinary Shares	06/01/2026		S		1,691	D	$919.6229⁽⁴⁾	334,880	D
Ordinary Shares	06/01/2026		S		1,730	D	$920.9012⁽⁵⁾	333,150	D
Ordinary Shares	06/01/2026		S		1,807	D	$921.7474⁽⁶⁾	331,343	D
Ordinary Shares	06/01/2026		S		1,598	D	$922.9496⁽⁷⁾	329,745	D
Ordinary Shares	06/01/2026		S		480	D	$923.5783⁽⁸⁾	329,265	D
Ordinary Shares	06/01/2026		S		360	D	$924.8844⁽⁹⁾	328,905	D
Ordinary Shares	06/01/2026		S		871	D	$925.8728⁽¹⁰⁾	328,034	D
Ordinary Shares	06/01/2026		S		320	D	$926.83⁽¹¹⁾	327,714	D
Ordinary Shares	06/01/2026		S		320	D	$928.2125⁽¹²⁾	327,394	D
Ordinary Shares	06/01/2026		S		1,480	D	$929.3797⁽¹³⁾	325,914	D
Ordinary Shares	06/01/2026		S		240	D	$930.1233⁽¹⁴⁾	325,674	D
Ordinary Shares	06/01/2026		S		200	D	$931.646⁽¹⁵⁾	325,474	D
Ordinary Shares	06/01/2026		S		415	D	$933.25⁽¹⁶⁾	325,059	D
Ordinary Shares	06/01/2026		S		440	D	$934.1709⁽¹⁷⁾	324,619	D
Ordinary Shares	06/01/2026		S		320	D	$935.4413⁽¹⁸⁾	324,299	D
Ordinary Shares	06/01/2026		S		355	D	$937.3861⁽¹⁹⁾	323,944	D
Ordinary Shares	06/01/2026		S		273	D	$938.8178⁽²⁰⁾	323,671	D
Ordinary Shares	06/01/2026		S		80	D	$939.995⁽²¹⁾	323,591	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026.

2. These Ordinary Shares were sold in multiple trades at prices ranging from $916.34 to $917.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

3. These Ordinary Shares were sold in multiple trades at prices ranging from $918.07 to $919.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

4. These Ordinary Shares were sold in multiple trades at prices ranging from $919.24 to $920.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

5. These Ordinary Shares were sold in multiple trades at prices ranging from $920.26 to $921.25. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

6. These Ordinary Shares were sold in multiple trades at prices ranging from $921.33 to $922.32. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

7. These Ordinary Shares were sold in multiple trades at prices ranging from $922.39 to $923.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

8. These Ordinary Shares were sold in multiple trades at prices ranging from $923.39 to $923.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

9. These Ordinary Shares were sold in multiple trades at prices ranging from $924.39 to $925.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

10. These Ordinary Shares were sold in multiple trades at prices ranging from $925.39 to $926.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

11. These Ordinary Shares were sold in multiple trades at prices ranging from $926.39 to $927.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

12. These Ordinary Shares were sold in multiple trades at prices ranging from $927.63 to $928.56. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

13. These Ordinary Shares were sold in multiple trades at prices ranging from $928.88 to $929.83. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

14. These Ordinary Shares were sold in multiple trades at prices ranging from $929.90 to $930.47. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

15. These Ordinary Shares were sold in multiple trades at prices ranging from $931.53 to $931.85. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

16. These Ordinary Shares were sold in multiple trades at prices ranging from $932.70 to $933.66. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

17. These Ordinary Shares were sold in multiple trades at prices ranging from $933.99 to $934.50. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

18. These Ordinary Shares were sold in multiple trades at prices ranging from $935.19 to $935.81. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

19. These Ordinary Shares were sold in multiple trades at prices ranging from $937.08 to $937.64. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

20. These Ordinary Shares were sold in multiple trades at prices ranging from $938.43 to $939.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

21. These Ordinary Shares were sold in multiple trades at prices ranging from $939.92 to $940.07. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for William D. Mosley	06/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Seagate (STX) CEO William D. Mosley report in this Form 4?

He reported selling 13,780 Ordinary Shares of Seagate Technology Holdings plc in open-market transactions on June 1, 2026. The trades were executed under a Rule 10b5-1 trading plan, indicating they were pre-scheduled rather than opportunistic sales.

At what prices did the Seagate (STX) CEO sell his shares?

The Ordinary Shares were sold in multiple trades at prices ranging from $916.34 to $940.07 per share. Each Form 4 line shows a weighted average sale price for trades executed within narrower price bands on June 1, 2026.

How many Seagate (STX) shares does the CEO own after these transactions?

Following the reported sales, CEO William D. Mosley directly holds 337,051 Ordinary Shares of Seagate Technology Holdings plc. This indicates that, despite the transactions, he retains a substantial continuing equity stake in the company.

Does this Seagate (STX) Form 4 include any stock option exercises or derivatives?

No. The transactions involve only non-derivative Ordinary Shares, and the filing’s derivativeSummary is empty. There are no reported option exercises, conversions, or other derivative transactions associated with this Form 4 event.