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

Seagate CEO sells 30,000 shares in 10b5-1 plan

STX’s CEO exercised options and sold 30,000 shares under a pre-arranged Rule 10b5-1 trading plan.

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

Rhea-AI Filing Summary

Seagate Technology Holdings plc (STX) CEO and director William D. Mosley exercised 14,000 stock options on September 1, 2026 at an exercise price of $46.23 per share, receiving 14,000 Ordinary Shares, and on the same date sold 30,000 Ordinary Shares in multiple transactions at weighted-average prices detailed between roughly the low-$800s per share. All transactions were effected pursuant to a Rule 10b5-1 trading plan adopted on February 18, 2026.

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Insider MOSLEY WILLIAM D
Role CEO
Sold 30,000 shs ($24.49M)
Approx. gross sale proceeds $24.49M
Approx. exercise cost $647K
Type Security Shares Price Value
Exercise NQ Options F28 14,000 $0.00 $0.00
Exercise Ordinary Shares F1 14,000 $46.23 $647K
Sale Ordinary Shares F2 357 $804.6083 $287K
Sale Ordinary Shares F3 160 $805.5481 $129K
Sale Ordinary Shares F4 160 $807.1925 $129K
Sale Ordinary Shares F5 960 $808.6201 $776K
Sale Ordinary Shares F6 1,160 $809.5514 $939K
Sale Ordinary Shares F7 1,105 $810.7833 $896K
Sale Ordinary Shares F8 1,578 $811.7276 $1.28M
Sale Ordinary Shares F9 1,200 $812.5473 $975K
Sale Ordinary Shares F10 2,040 $813.7388 $1.66M
Sale Ordinary Shares F11 2,878 $814.7507 $2.34M
Sale Ordinary Shares F12 4,555 $815.7493 $3.72M
Sale Ordinary Shares F13 4,287 $816.7463 $3.50M
Sale Ordinary Shares F14 2,080 $817.7063 $1.70M
Sale Ordinary Shares F15 1,040 $818.7821 $852K
Sale Ordinary Shares F16 1,320 $819.8442 $1.08M
Sale Ordinary Shares F17 920 $820.893 $755K
Sale Ordinary Shares F18 480 $822.0497 $395K
Sale Ordinary Shares F19 600 $822.89 $494K
Sale Ordinary Shares F20 1,240 $824.0484 $1.02M
Sale Ordinary Shares F21 600 $824.9347 $495K
Sale Ordinary Shares F22 580 $825.9983 $479K
Sale Ordinary Shares F23 340 $826.86 $281K
Sale Ordinary Shares F24 120 $827.8967 $99K
Sale Ordinary Shares F25 80 $829.095 $66K
Sale Ordinary Shares F26 80 $830.36 $66K
Sale Ordinary Shares F27 80 $832.045 $67K
Holdings After Transaction: NQ Options — 97,100 contracts (Direct); Ordinary Shares — 295,167.5 shares (Direct)
Footnotes (28)
  1. F1. 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. F2. These Ordinary Shares were sold in multiple trades at prices ranging from $804.17 to $804.83. 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.
  3. F3. These Ordinary Shares were sold in multiple trades at prices ranging from $805.21 to $805.76. 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 $806.93 to $807.42. 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. F5. These Ordinary Shares were sold in multiple trades at prices ranging from $808.02 to $809.00. 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. F6. These Ordinary Shares were sold in multiple trades at prices ranging from $809.05 to $810.01. 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. F7. These Ordinary Shares were sold in multiple trades at prices ranging from $810.17 to $811.14. 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. F8. These Ordinary Shares were sold in multiple trades at prices ranging from $811.18 to $812.10. 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. F9. These Ordinary Shares were sold in multiple trades at prices ranging from $812.19 to $813.04. 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. F10. These Ordinary Shares were sold in multiple trades at prices ranging from $813.20 to $814.19. 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.
  11. F11. These Ordinary Shares were sold in multiple trades at prices ranging from $814.23 to $815.22. 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. F12. These Ordinary Shares were sold in multiple trades at prices ranging from $815.28 to $816.27. 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. F13. These Ordinary Shares were sold in multiple trades at prices ranging from $816.28 to $817.27. 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. F14. These Ordinary Shares were sold in multiple trades at prices ranging from $817.29 to $818.20. 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. F15. These Ordinary Shares were sold in multiple trades at prices ranging from $818.29 to $819.18. 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.
  16. F16. These Ordinary Shares were sold in multiple trades at prices ranging from $819.32 to $820.29. 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. F17. These Ordinary Shares were sold in multiple trades at prices ranging from $820.36 to $821.26. 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. F18. These Ordinary Shares were sold in multiple trades at prices ranging from $821.44 to $822.37. 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.
  19. F19. These Ordinary Shares were sold in multiple trades at prices ranging from $822.47 to $823.42. 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. F20. These Ordinary Shares were sold in multiple trades at prices ranging from $823.47 to $824.40. 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. F21. These Ordinary Shares were sold in multiple trades at prices ranging from $824.47 to $825.44. 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.
  22. F22. These Ordinary Shares were sold in multiple trades at prices ranging from $825.51 to $826.27. 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.
  23. F23. These Ordinary Shares were sold in multiple trades at prices ranging from $826.52 to $827.29. 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.
  24. F24. These Ordinary Shares were sold in multiple trades at prices ranging from $827.76 to $828.17. 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.
  25. F25. These Ordinary Shares were sold in multiple trades at prices ranging from $829.09 to $829.10. 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.
  26. F26. These Ordinary Shares were sold in multiple trades at prices ranging from $830.22 to $830.50. 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.
  27. F27. These Ordinary Shares were sold in multiple trades at prices ranging from $832.02 to $832.07. 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.
  28. F28. Options granted to the Reporting Person are subject to a four year vesting schedule. One quarter of the option shares vested on September 9, 2021. The remaining option shares vest in equal monthly installments over the 36 months following September 9, 2021.
Options exercised 14,000 options Non-qualified stock options exercised on September 1, 2026
Exercise price $46.23 per share Exercise price for 14,000 options converted into Ordinary Shares
Shares sold 30,000 shares Total Ordinary Shares sold in multiple transactions on September 1, 2026
Sale price ranges $804.17–$832.07 per share Representative price ranges from footnoted multiple-trade sales
Remaining options in this grant 97,100 options Directly held non-qualified stock options after the reported exercise
Rule 10b5-1 plan adoption date February 18, 2026 Date the trading plan governing these transactions was adopted
Option expiration date September 9, 2027 Expiration date for the exercised non-qualified stock option grant
Rule 10b5-1 trading plan regulatory
"All transactions reported 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"
non-qualified stock options financial
"Options granted to the Reporting Person are subject to a four year vesting schedule"
Non-qualified stock options are a type of employee benefit that gives individuals the right to buy company shares at a set price, usually lower than the market value, within a certain period. Unlike other options that may have special tax advantages, these options are taxed as income when exercised, which can affect how much money the employee or investor ultimately gains. They are important because they can influence company compensation strategies and impact the financial outcomes for employees and investors.
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.

FAQ

What insider activity did STX CEO William D. Mosley report on this Form 4?
He exercised 14,000 stock options at $46.23 per share into Ordinary Shares and sold 30,000 Ordinary Shares in multiple transactions on September 1, 2026, at weighted-average prices described in the filing.

How many Seagate (STX) stock options did the CEO exercise and at what price?
He exercised 14,000 non-qualified stock options for Ordinary Shares at an exercise price of $46.23 per share on September 1, 2026, as disclosed in the Form 4.

How many Seagate (STX) shares did the CEO sell on September 1, 2026?
He sold 30,000 Ordinary Shares of Seagate Technology Holdings plc in a series of market transactions on September 1, 2026, at weighted-average prices within price ranges specified for each trade in the footnotes.

Were the STX CEO’s September 1, 2026 transactions under a Rule 10b5-1 plan?
Yes. The Form 4 and footnotes state that all reported transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 18, 2026.

What option holdings remain for the STX CEO after this reported exercise?
After exercising 14,000 options, the filing reports a remaining direct holding of 97,100 non-qualified stock options with an expiration date of September 9, 2027 for that option grant.

What price ranges applied to the STX CEO’s share sales in this Form 4?
Each sale line reflects a weighted-average price for multiple trades within disclosed ranges, for example from $804.17 to $804.83 and up to $832.02 to $832.07, with full trade details available on request as noted in the footnotes.

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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).
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*
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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026		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 Shares09/01/2026M14,000(1)A$46.23325,167.5D
Ordinary Shares09/01/2026S357D$804.6083(2)324,810.5D
Ordinary Shares09/01/2026S160D$805.5481(3)324,650.5D
Ordinary Shares09/01/2026S160D$807.1925(4)324,490.5D
Ordinary Shares09/01/2026S960D$808.6201(5)323,530.5D
Ordinary Shares09/01/2026S1,160D$809.5514(6)322,370.5D
Ordinary Shares09/01/2026S1,105D$810.7833(7)321,265.5D
Ordinary Shares09/01/2026S1,578D$811.7276(8)319,687.5D
Ordinary Shares09/01/2026S1,200D$812.5473(9)318,487.5D
Ordinary Shares09/01/2026S2,040D$813.7388(10)316,447.5D
Ordinary Shares09/01/2026S2,878D$814.7507(11)313,569.5D
Ordinary Shares09/01/2026S4,555D$815.7493(12)309,014.5D
Ordinary Shares09/01/2026S4,287D$816.7463(13)304,727.5D
Ordinary Shares09/01/2026S2,080D$817.7063(14)302,647.5D
Ordinary Shares09/01/2026S1,040D$818.7821(15)301,607.5D
Ordinary Shares09/01/2026S1,320D$819.8442(16)300,287.5D
Ordinary Shares09/01/2026S920D$820.893(17)299,367.5D
Ordinary Shares09/01/2026S480D$822.0497(18)298,887.5D
Ordinary Shares09/01/2026S600D$822.89(19)298,287.5D
Ordinary Shares09/01/2026S1,240D$824.0484(20)297,047.5D
Ordinary Shares09/01/2026S600D$824.9347(21)296,447.5D
Ordinary Shares09/01/2026S580D$825.9983(22)295,867.5D
Ordinary Shares09/01/2026S340D$826.86(23)295,527.5D
Ordinary Shares09/01/2026S120D$827.8967(24)295,407.5D
Ordinary Shares09/01/2026S80D$829.095(25)295,327.5D
Ordinary Shares09/01/2026S80D$830.36(26)295,247.5D
Ordinary Shares09/01/2026S80D$832.045(27)295,167.5D
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
NQ Options$46.2309/01/2026M14,000 (28)09/09/2027Ordinary Shares14,000$097,100D
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 $804.17 to $804.83. 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.
3. These Ordinary Shares were sold in multiple trades at prices ranging from $805.21 to $805.76. 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 $806.93 to $807.42. 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 $808.02 to $809.00. 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 $809.05 to $810.01. 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 $810.17 to $811.14. 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 $811.18 to $812.10. 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 $812.19 to $813.04. 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 $813.20 to $814.19. 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.
11. These Ordinary Shares were sold in multiple trades at prices ranging from $814.23 to $815.22. 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 $815.28 to $816.27. 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 $816.28 to $817.27. 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 $817.29 to $818.20. 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 $818.29 to $819.18. 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.
16. These Ordinary Shares were sold in multiple trades at prices ranging from $819.32 to $820.29. 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 $820.36 to $821.26. 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 $821.44 to $822.37. 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.
19. These Ordinary Shares were sold in multiple trades at prices ranging from $822.47 to $823.42. 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 $823.47 to $824.40. 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 $824.47 to $825.44. 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.
22. These Ordinary Shares were sold in multiple trades at prices ranging from $825.51 to $826.27. 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.
23. These Ordinary Shares were sold in multiple trades at prices ranging from $826.52 to $827.29. 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.
24. These Ordinary Shares were sold in multiple trades at prices ranging from $827.76 to $828.17. 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.
25. These Ordinary Shares were sold in multiple trades at prices ranging from $829.09 to $829.10. 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.
26. These Ordinary Shares were sold in multiple trades at prices ranging from $830.22 to $830.50. 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.
27. These Ordinary Shares were sold in multiple trades at prices ranging from $832.02 to $832.07. 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.
28. Options granted to the Reporting Person are subject to a four year vesting schedule. One quarter of the option shares vested on September 9, 2021. The remaining option shares vest in equal monthly installments over the 36 months following September 9, 2021.
Remarks:
/s/ Louis J. Thorson, Attorney-in-Fact for William D. Mosley09/03/2026
** 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