[Form 4] ARTIVION, INC. Insider Trading Activity

Rhea-AI Filing Summary

Artivion, Inc. President & CEO James P. Mackin reported both an equity award and a related share sale. He acquired 116,948 shares of common stock on a grant/award basis at $0.00 per share following the vesting of performance stock units from a February 2025 grant.

On the next trading day, he sold 17,887 shares of common stock at an average price of $37.7756 per share in an open‑market transaction specifically to cover tax withholding obligations under a “sell to cover” arrangement, characterized as a non‑discretionary transaction. Following these transactions, he directly owned 947,275 shares of Artivion common stock.

Insights

Equity Compensation Analyst

Routine vesting and tax-related sale; overall neutral signal.

The CEO of Artivion, Inc. received 116,948 common shares at no cost from vested performance stock units tied to a February 2025 grant. This reflects standard long-term incentive compensation, with future tranches eligible to vest in 2027 and 2028 if employment continues.

He then sold 17,887 shares at $37.7756 per share under a “sell to cover” arrangement explicitly described as non-discretionary and used to satisfy tax withholding obligations. Because the sale is tied to tax liabilities rather than portfolio rebalancing, the overall filing appears administratively neutral rather than a directional view on the stock.

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^*

Mackin James P

(Last) (First) (Middle)

ARTIVION, INC.

1655 ROBERTS BLVD, NW

(Street)

KENNESAW GA 30144

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ARTIVION, INC. [ AORT ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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 Stock	03/02/2026		A		116,948(1)	A	$0	965,162	D
Common Stock	03/03/2026		S		17,887(2)	D	$37.7756	947,275	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. Represents performance stock units granted on February 28, 2025. One third (1/3) were issued on March 2, 2026. The remaining shares earned in connection with the February 2025 grant will be eligible to vest and be issued as follows: one third (1/3) on February 28, 2027; and one third (1/3) on February 28, 2028, assuming employment on the relevant vesting date.

2. These shares were sold upon the vesting of performance stock units to pay tax withholding obligations. The sale was to satisfy tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary transaction.

Remarks:

	/s/ James P. Mackin	03/04/2026
	** 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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