GLOBALFOUNDRIES (GFS) director sale under Rule 10b5-1 plan

Rhea-AI Filing Summary

GLOBALFOUNDRIES Inc. director Glenda Dorchak reported an open-market sale of 4,000 Ordinary Shares on April 20, 2026 at an average price of $58.46 per share. After this transaction, she directly holds 18,867 Ordinary Shares. The sale is permitted under a lock-up agreement that runs until May 10, 2026 and was carried out under a pre-established Rule 10b5-1 trading plan adopted before an offering by the issuer’s majority shareholder.

Insider Trade Summary 10b5-1

Net Seller: 4,000 shares ($233,840)

Net Sell 1 txn

Insider Dorchak Glenda

Role null

Sold 4,000 shs ($234K)

Type	Security	Shares	Price	Value
Sale	Ordinary Shares	4,000	$58.46	$234K

Holdings After Transaction: Ordinary Shares — 18,867 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares sold: 4,000 shares Sale price per share: $58.46 per share Shares held after transaction: 18,867 shares +1 more

4 metrics

Shares sold 4,000 shares Open-market sale of Ordinary Shares on April 20, 2026

Sale price per share $58.46 per share Average sale price for Ordinary Shares on April 20, 2026

Shares held after transaction 18,867 shares Direct Ordinary Share holdings following the sale

Net shares sold 4,000 shares Net sell direction in transaction summary

Key Terms

lock-up agreement, Rule 10b5-1 trading plan, majority shareholder

3 terms

lock-up agreement financial

"The reporting person is subject to a lock-up agreement that expires on May 10, 2026"

A lock-up agreement is a contract that prevents company insiders and early investors from selling their shares for a fixed period after a stock sale, often after an initial public offering. It matters to investors because it temporarily limits the number of shares that can hit the market, which can keep the share price steadier; when the lock-up ends, a sudden increase in available shares can create extra volatility, revealing insiders’ confidence or lack thereof.

Rule 10b5-1 trading plan regulatory

"The sale reported in this Form 4 was 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.

majority shareholder financial

"in connection with an offering of securities by the issuer's majority shareholder"

A majority shareholder owns more than half of a company's voting shares, giving them effective control over major decisions such as choosing the board of directors, approving mergers, or setting strategy. For investors, this matters because the majority holder can steer the company much like the person who holds the largest piece of a pie decides how it’s shared—this can stabilize leadership and direction but also create risks if the majority’s interests differ from those of smaller shareholders.

Form 4 Insider Transactions: What Each Field Means →

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^*

Dorchak Glenda

(Last) (First) (Middle)

400 STONE BREAK ROAD EXTENSION

(Street)

MALTA NEW YORK 12020

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GLOBALFOUNDRIES Inc. [ GFS ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/20/2026

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	04/20/2026		S		4,000(1)	D	$58.46	18,867	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. The reporting person is subject to a lock-up agreement that expires on May 10, 2026 that was entered into with the underwriters in connection with an offering of securities by the issuer's majority shareholder. The sale of shares is a permissible exemption under the terms of the lock-up agreement. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person prior to the offering.

Remarks:

	/s/ Jeff Worth, as Attorney-in-fact for Reporting Person	04/22/2026
	** 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)

FAQ

What did GLOBALFOUNDRIES (GFS) director Glenda Dorchak report in this Form 4?

Director Glenda Dorchak reported an open-market sale of 4,000 Ordinary Shares of GLOBALFOUNDRIES Inc. on April 20, 2026 at an average price of $58.46 per share, as disclosed in the Form 4 filing.

How many GLOBALFOUNDRIES (GFS) shares does the director hold after the sale?

After the reported sale, Glenda Dorchak directly holds 18,867 Ordinary Shares of GLOBALFOUNDRIES Inc. This post-transaction figure shows her remaining direct equity position following the 4,000-share open-market sale.

Was the GLOBALFOUNDRIES (GFS) director’s share sale made under a Rule 10b5-1 plan?

Yes. The Form 4 states the sale was effected pursuant to a pre-established Rule 10b5-1 trading plan adopted by the reporting person before an offering by the issuer’s majority shareholder.

How does the lock-up agreement affect the GLOBALFOUNDRIES (GFS) director’s sale?

The director is subject to a lock-up agreement expiring on May 10, 2026. The Form 4 explains that this particular 4,000-share sale qualifies as a permissible exemption under the terms of that lock-up agreement.

What type of transaction did the GLOBALFOUNDRIES (GFS) Form 4 disclose?

The Form 4 discloses a non-derivative, open-market sale of 4,000 Ordinary Shares, coded “S” for sale. It reflects a direct ownership transaction rather than an option exercise, gift, or derivative-related event.