Alphatec (ATEC) COO Scott Lish sells 260,535 shares in open-market trade

Rhea-AI Filing Summary

Alphatec Holdings, Inc. chief operating officer Scott Lish reported an open-market sale of 260,535 shares of common stock. The transaction took place on March 13, 2026 at a weighted average price of $12.30 per share, with individual trade prices ranging from $12.20 to $12.42. After this sale, Lish directly holds 815,704 shares of Alphatec common stock.

Insider Trade Summary

Net Seller: 260,535 shares ($3,204,581)

Net Sell 1 txn

Insider Lish Scott

Role CHIEF OPERATING OFFICER

Sold 260,535 shs ($3.20M)

Type	Security	Shares	Price	Value
Sale	Common Stock	260,535	$12.30	$3.20M

Holdings After Transaction: Common Stock — 815,704 shares (Direct)

Footnotes (1)

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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^*

Lish Scott

(Last) (First) (Middle)

C/O ALPHATEC SPINE, INC.

1950 CAMINO VIDA ROBLE

(Street)

CARLSBAD CA 92008

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Alphatec Holdings, Inc. [ ATEC ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

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	03/13/2026		S		260,535	D	$12.3(1)	815,704	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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.20 to $12.42, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

	/s/ Tyson E. Marshall, 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 Alphatec Holdings (ATEC) report for Scott Lish?

Alphatec Holdings reported that chief operating officer Scott Lish completed an open-market sale of 260,535 shares of common stock. The sale was disclosed on Form 4 and reflects a direct disposition of shares held in his personal account.

At what price did Scott Lish sell Alphatec Holdings (ATEC) shares?

Scott Lish sold his Alphatec Holdings shares at a weighted average price of $12.30 per share. According to the filing, individual trades occurred in a price range between $12.20 and $12.42, with detailed breakdowns available from the company or SEC upon request.

How many Alphatec Holdings (ATEC) shares did Scott Lish sell and when?

Scott Lish sold 260,535 shares of Alphatec Holdings common stock on March 13, 2026. The disposition was reported as an open-market sale under transaction code “S,” indicating a standard sale on the market or in a private transaction.

How many Alphatec Holdings (ATEC) shares does Scott Lish hold after the sale?

Following the reported transaction, Scott Lish directly holds 815,704 shares of Alphatec Holdings common stock. This post-transaction balance is specified in the Form 4 and reflects his remaining direct ownership after selling the 260,535 shares.

Was Scott Lish’s Alphatec Holdings (ATEC) sale executed in multiple trades?

Yes. The filing notes that the reported price is a weighted average and the 260,535 shares were sold in multiple transactions. These trades occurred at prices between $12.20 and $12.42 per share, and more detailed trade-level data can be provided upon request.