Seagate Technology (STX) CFO trades 880 shares in Rule 10b5-1 plan

Rhea-AI Filing Summary

Seagate Technology Holdings plc executive vice president and CFO Gianluca Romano reported open-market sales of 880 Ordinary Shares on August 7, 2026. The reported per-share sale prices ranged from $835.7700 to $850.0417 across multiple trades. All transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on April 30, 2026, and some blocks reflect weighted average sale prices for executions within specified price ranges.

Insider Trade Summary 10b5-1

Net Seller: 880 shares

Net Sell 8 txns

Insider Romano Gianluca

Role EVP & CFO

Sold 880 shs ($744K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares F1	80	$835.77	$67K
Sale	Ordinary Shares	80	$838.84	$67K
Sale	Ordinary Shares	120	$841.16	$101K
Sale	Ordinary Shares	80	$842.86	$67K
Sale	Ordinary Shares	40	$844.40	$34K
Sale	Ordinary Shares F2	80	$846.725	$68K
Sale	Ordinary Shares F3	160	$849.03	$136K
Sale	Ordinary Shares F4	240	$850.0417	$204K

Holdings After Transaction: Ordinary Shares — 20,663.25 shares (Direct)

Footnotes (4)

1. F1. All sales transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026
2. F2. These Ordinary Shares were sold in multiple trades at prices ranging from $846.46 to $846.99. 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. F3. These Ordinary Shares were sold in multiple trades at prices ranging from $848.69 to $849.37. 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. F4. These Ordinary Shares were sold in multiple trades at prices ranging from $849.85 to $850.80. 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: 880 shares Lowest reported sale price: $835.7700 per share Highest reported sale price: $850.0417 per share +2 more

5 metrics

Shares sold 880 shares Total Ordinary Shares sold on August 7, 2026

Lowest reported sale price $835.7700 per share Sale of 80 Ordinary Shares on August 7, 2026

Highest reported sale price $850.0417 per share Sale of 240 Ordinary Shares on August 7, 2026

Number of sale transactions 8 transactions Non-derivative sales of Ordinary Shares reported on Form 4

10b5-1 plan adoption date April 30, 2026 Date CFO adopted Rule 10b5-1 trading plan governing the reported sales

Key Terms

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

3 terms

Rule 10b5-1 trading plan regulatory

"All sales 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

"Non-derivative transactions in Seagate Technology Ordinary Shares"

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.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/11/2026 - 04:21 PM Accepted by SEC EDGAR 08/11/2026 - 04:21 PM Learn about SEC filing dates

FAQ

What insider transaction did Seagate (STX) CFO Gianluca Romano report?

Gianluca Romano reported selling 880 Ordinary Shares of Seagate Technology Holdings plc on August 7, 2026 in a series of open-market or private sale transactions at various per-share prices.

At what prices were the Seagate (STX) shares sold by the CFO on August 7, 2026?

The reported per-share sale prices ranged from $835.7700 to $850.0417, including trades at prices such as $838.8400, $841.1600, $842.8600, and $844.4000 for different share blocks.

Was the Seagate (STX) CFO’s August 7, 2026 share sale under a 10b5-1 plan?

Yes. All reported sales were effected under a Rule 10b5-1 trading plan that Gianluca Romano adopted on April 30, 2026, indicating they followed a pre-established trading arrangement.

How many separate transactions did the Seagate (STX) CFO report on Form 4?

The Form 4 lists eight non-derivative transactions in Seagate Ordinary Shares on August 7, 2026, all coded as “S” for sales in open-market or private transactions.

Do any of the Seagate (STX) CFO’s reported sales use weighted average prices?

Yes. Several entries note that shares were sold in multiple trades, with reported prices such as $846.7250, $849.0300, and $850.0417 representing weighted average sale prices over specified price ranges.

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).

X

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^*

Romano Gianluca

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2026

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)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	08/07/2026		S		80(1)	D	$835.77	21,463.25	D
Ordinary Shares	08/07/2026		S		80	D	$838.84	21,383.25	D
Ordinary Shares	08/07/2026		S		120	D	$841.16	21,263.25	D
Ordinary Shares	08/07/2026		S		80	D	$842.86	21,183.25	D
Ordinary Shares	08/07/2026		S		40	D	$844.4	21,143.25	D
Ordinary Shares	08/07/2026		S		80	D	$846.725(2)	21,063.25	D
Ordinary Shares	08/07/2026		S		160	D	$849.03(3)	20,903.25	D
Ordinary Shares	08/07/2026		S		240	D	$850.0417(4)	20,663.25	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. All sales transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026

2. These Ordinary Shares were sold in multiple trades at prices ranging from $846.46 to $846.99. 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 $848.69 to $849.37. 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 $849.85 to $850.80. 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 Gianluca Romano	08/11/2026
	** 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)