Artivion CEO gets stock grant, sells for taxes

Rhea-AI Filing Summary

ARTIVION, INC. President & CEO James P. Mackin reported both automatic tax-related sales and an equity award of common stock. On February 23–24, he sold a total of 34,898 shares at prices around $35.69–$37.59 in pre-arranged “sell to cover” transactions to pay tax withholding on vesting performance and restricted stock units, which the company notes were not discretionary trades. On February 24, he also received a grant of 97,030 shares of restricted stock at no purchase price, vesting 33 1/3% per year starting on the first anniversary of the grant under the Equity and Cash Incentive Plan. Following these transactions, Mackin directly holds 863,125 shares of Artivion common stock.

Insider Trade Summary

Net Seller: 34,898 shares

Net Sell 3 txns

Insider Mackin James P

Role President & CEO

Sold 34,898 shs ($1.29M)

Type	Security	Shares	Price	Value
Sale	Common Stock	13,936	$35.693	$497K
Grant/Award	Common Stock	97,030	$0.00	$0.00
Sale	Common Stock	20,962	$37.588	$788K

Holdings After Transaction: Common Stock — 863,125 shares (Direct)

Footnotes (3)

1. F1. 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.
2. F2. These shares were sold upon the vesting of restricted 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.
3. F3. Represents shares of restricted stock that vest 33 1/3% per year beginning on the first anniversary of the grant date, pursuant to the terms of the Equity and Cash Incentive Plan.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Artivion (AORT) CEO James P. Mackin report?

James P. Mackin reported automatic tax-related sales and a stock grant. He sold 34,898 common shares in sell-to-cover transactions and received a grant of 97,030 restricted shares that vest over three years under Artivion’s Equity and Cash Incentive Plan.

How many Artivion (AORT) shares did the CEO sell, and at what prices?

Mackin sold 34,898 Artivion common shares in total. The reported transactions occurred at per-share prices of about $35.693 and $37.588, executed as sell-to-cover sales specifically to satisfy tax withholding obligations upon vesting of equity awards.

Were the Artivion (AORT) CEO’s share sales discretionary trades?

No, the filing states the sales were not discretionary trades. The shares were sold automatically upon vesting of performance and restricted stock units to cover tax withholding obligations through pre-arranged “sell to cover” transactions, rather than elective open-market selling for portfolio reasons.

What stock award did the Artivion (AORT) CEO receive in this Form 4?

Mackin received a grant of 97,030 shares of restricted Artivion common stock at no purchase price. The award vests in three equal annual installments of 33 1/3% each year, beginning on the first anniversary of the grant date, under the Equity and Cash Incentive Plan.

How many Artivion (AORT) shares does the CEO own after these transactions?

After completing the reported transactions, Mackin directly owns 863,125 shares of Artivion common stock. This figure reflects both the automatic tax-related share sales and the new restricted stock grant disclosed, as of the dates referenced in the Form 4 filing.

How do the restricted shares granted to Artivion (AORT)’s CEO vest over time?

The 97,030 restricted shares vest gradually over three years. One-third, or 33 1/3%, vests on the first anniversary of the grant date, with the remaining portions vesting in equal annual installments thereafter, consistent with the company’s Equity and Cash Incentive Plan terms.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/25/2026 - 05:34 PM EST Learn about SEC filing dates

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^*

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)
02/23/2026

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	02/23/2026		S		20,962(1)	D	$37.588	780,031	D
Common Stock	02/24/2026		S		13,936(2)	D	$35.693	766,095	D
Common Stock	02/24/2026		A		97,030(3)	A	$0	863,125	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. 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.

2. These shares were sold upon the vesting of restricted 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.

3. Represents shares of restricted stock that vest 33 1/3% per year beginning on the first anniversary of the grant date, pursuant to the terms of the Equity and Cash Incentive Plan.

Remarks:

	/s/ James P. Mackin	02/25/2026
	** 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.