[Form 4] Alphatec Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Sponsel David reported acquisition or exercise transactions in this Form 4 filing.

Alphatec Holdings EVP of Sales David Sponsel reported multiple equity awards from the company. On February 25, 2026, he was awarded 205,094 restricted stock units (RSUs) tied to a prior performance-based award for the fiscal year ended December 31, 2025, vesting in three equal installments on March 5 of 2026, 2027, and 2028.

He also received 93,410 RSUs vesting in three equal installments on March 5 of 2027, 2028, and 2029, plus 20,380 RSUs granted in lieu of a portion of his 2025 cash bonus that vest on December 4, 2026. In addition, Sponsel was granted up to 46,705 performance-based RSUs that vest only if Alphatec’s common stock reaches 30‑day average prices of at least $25.00 or $36.00 per share by specified dates, or if certain operational metrics determined by the compensation committee are achieved.

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^*

Sponsel David

(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)
	EVP, SALES

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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(1)(2)	02/25/2026		A(1)		205,094(1)	A	$0	554,594	D
Common Stock(2)(3)	02/25/2026		A(3)		93,410(3)	A	$0	648,004	D
Common Stock(2)(4)	02/25/2026		A(4)		20,380(4)	A	(4)	668,384	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(5)	(2)	02/25/2026		A(5)		46,705(5)		(5)	(5)	Common Stock	46,705	$0	46,705	D
Restricted Stock Units(6)	(2)	02/25/2026		A(6)		46,705(6)		(6)	(6)	Common Stock	46,705	$0	46,705	D

Explanation of Responses:

1. On February 25, 2026, the issuer awarded 205,094 restricted stock units (RSUs) to the reporting person under a performance based award granted to the reporting person on January 29, 2025 upon confirmation by the issuer's compensation committee of satisfaction of certain performance criteria for the fiscal year ended December 31, 2025. The RSUs vest in three equal installments on each of March 5, 2026, March 5, 2027 and March 5, 2028.

2. Each RSU represents a contingent right to receive one share of the issuer's common stock.

3. On February 25, 2026, the issuer awarded 93,410 RSUs to the reporting person. The RSUs vest in three equal installments on each of March 5, 2027, March 5, 2028 and March 5, 2029.

4. On February 25, 2026, the issuer granted 20,380 RSUs to the reporting person in connection with the issuer's election to grant RSUs to the reporting person in lieu of a portion of the reporting person's 2025 cash bonus. The grant was approved and adopted by the issuer's compensation committee on February 25, 2026. The RSUs vest December 4, 2026. The grant amount was determined using the 30-day average trading price of the issuer's common stock as of close of market on February 25, 2026.

5. On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $25.00 per share at any time prior to December 31, 2028, (ii) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, (iii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2028, or (iv) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030.

6. On February 25, 2026, the issuer granted to the reporting person an award of up to 46,705 performance-based RSUs. The RSUs vest upon the issuer's (i) common stock achieving a 30-day average trading price of at least $36.00 per share at any time prior to December 31, 2030, or (ii) achievement of certain operational metrics determined by the issuer's compensation committee measured as of December 31, 2030.

	/s/ Tyson E. Marshall, Attorney-in-Fact	02/27/2026
	** Signature of Reporting Person	Date
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