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  4. [Form 4] Seagate Technology Holdings plc Insider Trading Activity

Seagate (STX) CFO sells shares after RSU vesting and exercises

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Seagate Technology Holdings plc EVP & CFO Gianluca Romano reported routine equity transactions involving company ordinary shares. On June 9, 2026, he exercised restricted share units, acquiring 1,515 and 959 ordinary shares at a conversion price of 0.0000 per share through derivative exercises.

On June 10, 2026, Romano executed open-market sales of 827 and 523.5 ordinary shares at prices of 821.7706 and 821.7308 per share. After these transactions, he directly held 41,380.5 ordinary shares. The RSUs were granted under Seagate’s 2022 Equity Incentive Plan and vest over a four-year period, subject to his continuous employment.

Positive

  • None.

Negative

  • None.
Insider Romano Gianluca
Role EVP & CFO
Sold 1,350.5 shs ($1.11M)
Type Security Shares Price Value
Sale Ordinary Shares 523.5 $821.7308 $430K
Sale Ordinary Shares 827 $821.7706 $680K
Exercise Restricted Share Unit 959 $0.00 --
Exercise Restricted Share Unit 1,515 $0.00 --
Exercise Ordinary Shares 959 $0.00 --
Exercise Ordinary Shares 1,515 $0.00 --
Holdings After Transaction: Ordinary Shares — 41,380.5 shares (Direct, null); Restricted Share Unit — 959 shares (Direct, null)
Footnotes (1)
  1. 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 one-quarter vested 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.
Open-market sale 1 827 shares at 821.7706 per share Ordinary Shares sold on June 10, 2026
Open-market sale 2 523.5 shares at 821.7308 per share Ordinary Shares sold on June 10, 2026
Total shares sold 1,350.5 shares Net sell shares in transaction summary
RSU-derived shares acquired 2,474 shares Ordinary Shares from RSU exercises on June 9, 2026
Shares held after transactions 41,380.5 shares Total ordinary shares directly owned after June 10, 2026 sale
RSU grant 1 size 1,515 RSUs Restricted Share Units under 2022 Equity Incentive Plan
RSU grant 2 size 959 RSUs Restricted Share Units under 2022 Equity Incentive Plan
Restricted Share Unit financial
"security_title: "Restricted Share Unit" with underlying ordinary shares"
A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.
2022 Equity Incentive Plan financial
"RSUs awarded under the Seagate Technology Holdings plc 2022 Equity Incentive Plan"
derivative exercise/conversion financial
"transaction_action: "derivative exercise/conversion" for RSU-related entries"
open-market sale financial
"transaction_action: "open-market sale" for ordinary share dispositions"
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.
vesting period of four years financial
"remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years"
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
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)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP & CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Ordinary Shares06/09/2026M959A$041,904D
Ordinary Shares06/10/2026S523.5D$821.730841,380.5D
Ordinary Shares06/09/2026M1,515A$042,895.5D
Ordinary Shares06/10/2026S827D$821.770642,068.5D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Share Unit$006/09/2026M959 (1) (1)Ordinary Shares959$0959D
Restricted Share Unit$006/09/2026M1,515 (2) (2)Ordinary Shares1,515$013,643D
Explanation of Responses:
1. 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.
2. Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested 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 Gianluca Romano06/11/2026
** Signature of Reporting PersonDate
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 insider transactions did Seagate (STX) CFO Gianluca Romano report?

Gianluca Romano reported exercising restricted share units into ordinary shares, then selling part of those shares in open-market trades. The filing shows derivative exercises on June 9, 2026 and open-market sales on June 10, 2026, all in Seagate ordinary shares.

How many Seagate (STX) shares did the CFO sell in this Form 4?

The CFO sold a total of 1,350.5 ordinary shares in two open-market transactions. These included 827 shares at 821.7706 per share and 523.5 shares at 821.7308 per share, as disclosed in the non-derivative transaction table.

How many Seagate (STX) shares did the CFO acquire through RSU exercises?

Romano acquired 2,474 ordinary shares through derivative exercises of restricted share units. The filing reports two non-derivative entries for 1,515 and 959 ordinary shares, both resulting from RSU conversions at a conversion price of 0.0000 per share.

What are Gianluca Romano’s Seagate (STX) holdings after these transactions?

Following the June 2026 transactions, Romano directly holds 41,380.5 Seagate ordinary shares. This figure appears in the total shares following transaction column for his final reported open-market sale on June 10, 2026, reflecting his updated direct ownership position.

Under which plan were the Seagate (STX) RSUs granted to the CFO?

The restricted share units were granted under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Footnotes explain that each RSU grant vests over four years, with one-quarter vesting on specified dates and the remainder vesting in equal quarterly installments, contingent on continued employment.

How do the RSU vesting terms work for Seagate (STX) CFO grants?

Each RSU grant vests over a four-year period, subject to continuous employment. One-quarter of the RSUs vests on a specified initial vesting date, with the remaining three-quarters vesting in equal quarterly installments over the following three years, according to the footnotes.