[Form 4] Oatly Group AB Insider Trading Activity

Rhea-AI Filing Summary

Oatly Group AB director Frances G. Rathke received a grant of 23,656 ADS-settled restricted stock units (RSUs). The Form 4 shows these RSUs were awarded at no cash cost and increase her direct holdings to 35,846 ADSs, including unvested RSUs.

The footnotes explain that 9,726 RSUs vested on May 31, 2026, while the remaining RSUs are scheduled to vest in connection with Oatly’s next annual general meeting, subject to her continued service as a director. Each RSU will convert into one ADS when it vests, and there are no voting or dividend rights attached to the RSUs before vesting.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider RATHKE FRANCES G

Role null

Type	Security	Shares	Price	Value
Grant/Award	ADSs	23,656	$0.00	--

Holdings After Transaction: ADSs — 35,846 shares (Direct, null)

Footnotes (1)

1. Reflects the grant of RSUs. 9,726 RSUs vested on May 31, 2026, and the remainder of the RSUs vest in connection with the Issuer's next annual general meeting. Each RSU represents a right to receive one ADS in the Issuer. Includes RSUs, each RSU represents a right to receive one ADS in the Issuer. 13,930 RSUs will vest in full on the date of the Issuer's next annual general meeting, subject to the Reporting Person's continued service as a director through such vesting date. There are no voting or dividend rights prior to vesting.

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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).

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^*

RATHKE FRANCES G

(Last) (First) (Middle)

33 COFFEE LANE

(Street)

WATERBURY UNITED STATES VT 05676

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Oatly Group AB [ OTLY ]

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)
05/30/2026

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
ADSs	05/30/2026		A(1)		23,656	A	$0	35,846(2)	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. Reflects the grant of RSUs. 9,726 RSUs vested on May 31, 2026, and the remainder of the RSUs vest in connection with the Issuer's next annual general meeting. Each RSU represents a right to receive one ADS in the Issuer.

2. Includes RSUs, each RSU represents a right to receive one ADS in the Issuer. 13,930 RSUs will vest in full on the date of the Issuer's next annual general meeting, subject to the Reporting Person's continued service as a director through such vesting date. There are no voting or dividend rights prior to vesting.

	Timothy Sjovall, pursuant to power of attorney	06/02/2026
	** 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)