Was Teh Ban Seng’s Seagate (STX) share sale pre-planned under Rule 10b5-1?

Yes. The 663-share sale on June 10, 2026 was executed under a Rule 10b5-1 trading plan adopted by Teh Ban Seng on February 11, 2026. Such plans pre-schedule trades, indicating the sale’s timing was set in advance rather than decided opportunistically.

Seagate (STX) EVP Teh Ban Seng sells 663 shares after exercising RSUs

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Seagate Technology Holdings plc executive Teh Ban Seng exercised restricted share units and sold a portion of the resulting shares. On June 9, 2026 he converted 1,262 Restricted Share Units into Ordinary Shares at a conversion price of $0.00 per share as part of equity compensation vesting.

On June 10, 2026 he then sold 663 Ordinary Shares in an open-market transaction at $821.86 per share under a pre-arranged Rule 10b5-1 trading plan adopted on February 11, 2026. After these transactions, he held 4,290 Ordinary Shares directly, along with 600 remaining Restricted Share Units subject to multi-year vesting schedules under Seagate’s 2022 Equity Incentive Plan.

Insider Trade Summary 10b5-1

Net Seller: 663 shares ($544,893)

Net Sell 5 txns

Insider Teh Ban Seng

Role EVP & Chief Commercial Officer

Sold 663 shs ($545K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	663	$821.86	$545K
Exercise	Restricted Share Unit	599	$0.00	--
Exercise	Restricted Share Unit	663	$0.00	--
Exercise	Ordinary Shares	599	$0.00	--
Exercise	Ordinary Shares	663	$0.00	--

Holdings After Transaction: Ordinary Shares — 4,290 shares (Direct, null); Restricted Share Unit — 600 shares (Direct, null)

Footnotes (1)

These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on February 11, 2026. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years. Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Key Figures

Shares sold: 663 shares Sale price: $821.86 per share Shares held after transactions: 4,290 shares +3 more

6 metrics

Shares sold 663 shares Ordinary Shares sold on June 10, 2026

Sale price $821.86 per share Open-market sale on June 10, 2026

Shares held after transactions 4,290 shares Direct Ordinary Share holdings post-transaction

RSUs converted 1,262 units Restricted Share Units exercised into Ordinary Shares on June 9, 2026

Remaining RSUs 600 units Restricted Share Units outstanding after June 9, 2026

10b5-1 plan adoption date February 11, 2026 Date Rule 10b5-1 trading plan was adopted

Key Terms

Rule 10b5-1 trading plan, Restricted Share Unit, 2022 Equity Incentive Plan

3 terms

Rule 10b5-1 trading plan regulatory

"These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person"

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.

2022 Equity Incentive Plan financial

"awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan")"

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

Form 4 Insider Transactions: What Each Field Means →

06/11/2026 - 04:29 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^*

Teh Ban Seng

(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 & Chief Commercial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

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	06/09/2026		M		599	A	$0	4,290	D
Ordinary Shares	06/09/2026		M		663	A	$0	4,953	D
Ordinary Shares	06/10/2026		S		663⁽¹⁾	D	$821.86	4,290	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)
Restricted Share Unit	$0	06/09/2026		M			599	⁽²⁾	⁽²⁾	Ordinary Shares	599	$0	600	D
Restricted Share Unit	$0	06/09/2026		M			663	⁽³⁾	⁽³⁾	Ordinary Shares	663	$0	5,969	D

Explanation of Responses:

1. These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on February 11, 2026.

2. Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

3. Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Remarks:

	/s/ Louis J. Thorson, Attorney-in-Fact for Ban Seng Teh	06/11/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What transactions did Seagate (STX) executive Teh Ban Seng report?

Teh Ban Seng reported exercising 1,262 Restricted Share Units into Seagate Ordinary Shares, then selling 663 shares in the open market. The sale occurred on June 10, 2026 and followed RSU conversions completed the prior day as part of equity compensation vesting.

How many Seagate (STX) shares did Teh Ban Seng sell and at what price?

He sold 663 Seagate Ordinary Shares in an open-market transaction at a price of $821.86 per share. This sale was executed on June 10, 2026 and was conducted pursuant to a pre-arranged Rule 10b5-1 trading plan he had previously adopted.

How many Seagate (STX) shares does Teh Ban Seng hold after these transactions?

Following the June 2026 transactions, Teh Ban Seng directly holds 4,290 Seagate Ordinary Shares. In addition, he has 600 Restricted Share Units outstanding, which are scheduled to vest over multi-year periods under Seagate’s 2022 Equity Incentive Plan, subject to continued employment.

What equity awards did Teh Ban Seng exercise at Seagate (STX)?

He exercised a total of 1,262 Restricted Share Units into Seagate Ordinary Shares, in two tranches of 663 and 599 units. These RSUs were granted under the 2022 Equity Incentive Plan and vest quarterly over four years, conditioned on his continued employment.

How do Teh Ban Seng’s Seagate (STX) RSUs vest over time?

His RSU grants vest over four years under Seagate’s 2022 Equity Incentive Plan. For each grant, one-quarter vested on September 9 of the initial vesting year, with the remaining three-quarters vesting in equal quarterly installments over the subsequent three years.