Alphatec director granted 32,012 RSUs

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

Rhea-AI Filing Summary

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

Alphatec Holdings, Inc. director David M. Demski received an equity grant of 32,012 restricted stock units (RSUs). The award was effective on June 10, 2026 and represents a contingent right to receive the same number of Alphatec common shares at vesting.

The RSUs vest on the earlier of the next annual meeting of stockholders or Demski’s death or resignation. In the case of death or resignation, vesting is pro‑rated based on days served out of 365. Following this grant, Demski directly owns 431,635 shares of Alphatec common stock.

Insider Trade Summary

Grant/Award: 32,012 shares

Grant/Award 1 txn

Insider Demski David M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	32,012	$0.00	$0.00

Holdings After Transaction: Common Stock — 431,635 shares (Direct)

Footnotes (1)

1. F1. On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365.

Key Figures

RSU grant size: 32,012 units Post-grant holdings: 431,635 shares Grant price per share: $0.0000 per share +1 more

4 metrics

RSU grant size 32,012 units Restricted stock units granted on June 10, 2026

Post-grant holdings 431,635 shares Common stock directly owned after the transaction

Grant price per share $0.0000 per share Compensation grant, no cash paid by reporting person

Vesting day basis 365 days Pro‑rata vesting calculation on death or resignation

Key Terms

restricted stock units, contingent right, annual meeting of stockholders, pro-rata

4 terms

restricted stock units financial

"issuer granted to the reporting person 32,012 restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

annual meeting of stockholders financial

"The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders"

pro-rata financial

"the grant will vest pro-rata based on the number of actual days served"

Pro-rata means an amount is allocated to each party in proportion to their existing share or stake — each person receives the same percentage of the total as they already hold. For investors this matters because pro-rata rules determine how much additional stock, dividends, or voting power someone gets during new issuances or distributions, helping protect an investor’s relative ownership; think of it as slicing a cake so everyone keeps the same-sized slice relative to others.

FAQ

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

What did Alphatec (ATEC) director David M. Demski report on this Form 4?

David M. Demski reported receiving 32,012 restricted stock units as an equity award. Each RSU represents a contingent right to one share of Alphatec common stock, subject to future vesting conditions tied to service.

How many Alphatec (ATEC) restricted stock units were granted to David M. Demski?

Demski was granted 32,012 restricted stock units on June 10, 2026. Each unit can convert into one share of Alphatec common stock if vesting conditions are met, providing potential future equity rather than immediate cash compensation.

When do David M. Demski’s Alphatec (ATEC) RSUs vest?

The restricted stock units vest on the earlier of the next annual meeting of stockholders or Demski’s death or resignation. If vesting occurs due to death or resignation, the award vests pro‑rata based on days served out of 365.

How many Alphatec (ATEC) shares does David M. Demski hold after this grant?

After the RSU grant, Demski directly holds 431,635 shares of Alphatec common stock. This figure reflects his ownership position following the reported equity award and does not include unvested restricted stock units until they settle.

Is David M. Demski’s Alphatec (ATEC) Form 4 a stock purchase or a grant?

The Form 4 reflects a grant of restricted stock units, not an open‑market stock purchase. The award was reported with transaction code “A,” indicating a grant, award, or other acquisition provided as compensation at no cash cost per share.

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

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Accepted by SEC EDGAR 06/12/2026 - 05:30 PM 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^*

Demski David M

(Last) (First) (Middle)

C/O ALPHATEC SPINE, INC.

1950 CAMINO VIDA ROBLE

(Street)

CARLSBAD CALIFORNIA 92008

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)	06/10/2026		A(1)		32,012	A	$0(1)	431,635	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. On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365.

	/s/ Tyson E. Marshall, Attorney-in-Fact	06/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)