SunOpta (STKL) SVP exercises 10,000 RSUs; 5,134 shares withheld for tax

Rhea-AI Filing Summary

SunOpta Inc. SVP of Supply Chain Justin Kobler exercised 10,000 restricted stock units (RSUs) into 10,000 common shares on March 12, 2026. Each RSU represents a right to receive one STKL common share.

To cover income tax withholding from the RSU vesting, 5,134 common shares were deemed disposed of and withheld by the company at a price of $6.44 per share, rather than sold on the open market. After these transactions, Kobler directly holds 30,787 common shares, which include 1,379 shares acquired under the STKL stock purchase plan between December 2025 and March 4, 2026. The RSUs vest in three equal annual installments beginning on March 12, 2025 and do not have an expiration date.

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^*

Kobler Justin

(Last) (First) (Middle)

7078 SHADY OAK ROAD

(Street)

EDEN PRAIRIE MN 55344

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SunOpta Inc. [ STKL ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP of Supply Chain

3. Date of Earliest Transaction (Month/Day/Year)
03/12/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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
Common Shares	03/12/2026		M		10,000	A	(1)	35,921(3)	D
Common Shares	03/12/2026		F		5,134	D	$6.44(2)	30,787	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
Restricted Stock Units	(1)	03/12/2026		M			10,000	(4)	(5)	Common Shares	10,000	$0	10,000	D

Explanation of Responses:

1. Each Restricted Stock Unit represents a contingent right to receive one share of STKL common stock.

2. This line item reflects the deemed disposition of shares withheld by the Company to satisfy income tax withholding requirements in connection with the vesting of the RSUs.

3. Includes 1,379 shares acquired under the STKL stock purchase plan December 2025 through March 4, 2026.

4. The Restricted Stock Units vest in three equal annual installments beginning on March 12, 2025, subject to the continued employment of the reporting person through each such vesting date.

5. The Restricted Stock Units do not have an expiration date.

	/s/ Brett Koch, attorney-in-fact	03/17/2026
	** 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.

FAQ

What insider transaction did SunOpta (STKL) report for Justin Kobler?

SunOpta reported that SVP of Supply Chain Justin Kobler exercised 10,000 restricted stock units into 10,000 common shares on March 12, 2026. This reflects RSUs vesting into stock rather than an open-market share purchase.

How many SunOpta (STKL) shares were withheld for taxes in this Form 4?

The filing shows 5,134 SunOpta common shares were deemed disposed of to satisfy income tax withholding obligations tied to the RSU vesting. These shares were withheld by the company at $6.44 per share, not sold in the market.

How many SunOpta (STKL) shares does Justin Kobler own after this transaction?

After the reported transactions, Justin Kobler directly holds 30,787 SunOpta common shares. This total includes 1,379 shares acquired through the STKL stock purchase plan from December 2025 through March 4, 2026, as disclosed in the footnotes.

How do Justin Kobler’s SunOpta (STKL) restricted stock units vest?

The restricted stock units vest in three equal annual installments starting March 12, 2025, subject to Kobler’s continued employment through each vesting date. As each tranche vests, RSUs convert into SunOpta common shares on the same one-for-one basis described.

Do Justin Kobler’s SunOpta (STKL) restricted stock units expire?

The filing states that the restricted stock units do not have an expiration date. Instead, they vest over time in three equal annual installments beginning March 12, 2025, and each vested unit converts into one SunOpta common share.