Anteris Technologies (AVR) director John Seaberg details RSU vesting and holdings

Rhea-AI Filing Summary

Anteris Technologies Global Corp. director John Seaberg reported the vesting and conversion of restricted stock units into common stock. On 12/16/2025, 27,777 restricted stock units were converted into 27,777 shares of common stock in a transaction coded "M," increasing his directly held common shares to 43,635. He also holds 3,852 shares indirectly through Citibank, N.A. London as custodian.

The derivative table shows these 27,777 restricted stock units converting at an exercise price of $0 into common stock, leaving 55,556 restricted stock units beneficially owned following the transaction. These units come from a contingent grant of 83,333 restricted stock units awarded on December 16, 2024, which vest in approximately equal installments on December 16, 2025, 2026 and 2027, subject to continued service and approval previously obtained from stockholders on December 3, 2025.

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

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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^*

Seaberg John D

(Last) (First) (Middle)

TOOWONG TOWER, LEVEL 3, SUITE 302

9 SHERWOOD ROAD

(Street)

TOOWONG C3 QLD 4066

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Anteris Technologies Global Corp. [ AVR ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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 Stock	12/16/2025		M		27,777	A	(1)	43,635	D
Common Stock								3,852	I	See Footnote(2)

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)	12/16/2025		M			27,777	(3)	(3)	Common Stock	27,777	$0	55,556	D

Explanation of Responses:

1. Each restricted stock unit converts into a share of common stock on a one-for-one basis.

2. Held by Citibank, N.A. London as custodian for Mr. Seaberg.

3. On December 16, 2024, the Reporting Person was contingently granted 83,333 restricted stock units, which vest in approximately equal installments on December 16, 2025, 2026 and 2027, subject to the Reporting Person's continues service through each vesting date. These restricted stock units were approved by stockholders on December 3, 2025.

	/s/ John Seaberg	12/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Anteris Technologies (AVR) disclose for John Seaberg?

Director John Seaberg reported the vesting and conversion of 27,777 restricted stock units into 27,777 shares of common stock on 12/16/2025 in a transaction coded "M".

How many Anteris Technologies (AVR) shares does John Seaberg own after this Form 4 transaction?

Following the reported transaction, John Seaberg beneficially owns 43,635 shares of Anteris Technologies Global Corp. common stock directly and 3,852 shares indirectly through Citibank, N.A. London as custodian.

What restricted stock unit (RSU) grant is reported for Anteris Technologies (AVR) director John Seaberg?

On December 16, 2024, John Seaberg was contingently granted 83,333 restricted stock units, vesting in approximately equal installments on December 16, 2025, 2026 and 2027, subject to his continued service and stockholder approval received on December 3, 2025.

How many restricted stock units in Anteris Technologies (AVR) remain after the reported vesting?

After the conversion of 27,777 restricted stock units into common stock, John Seaberg beneficially owns 55,556 restricted stock units as reported in the derivative securities table.

What does transaction code "M" mean in the Anteris Technologies (AVR) Form 4?

In this Form 4, code "M" indicates the exercise or conversion of a derivative security, here showing that restricted stock units converted into Anteris Technologies Global Corp. common stock.

How are John Seaberg’s indirect Anteris Technologies (AVR) holdings structured?

The Form 4 notes that 3,852 shares of Anteris Technologies Global Corp. common stock are held indirectly by Citibank, N.A. London as custodian for Mr. Seaberg.