STOCK TITAN

Alphatec (NASDAQ: ATEC) director receives 32,012 RSUs and reports major indirect stake

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

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

Alphatec Holdings director David R. Pelizzon reported a new equity award and existing indirect holdings. On June 10, 2026, he was granted 32,012 restricted stock units, each representing a contingent right to one share of Alphatec common stock. These units vest on the earlier of the next annual meeting of stockholders or his death or resignation, with pro-rata vesting based on days served if vesting is triggered by death or resignation.

Following the grant, Pelizzon directly holds 378,839 shares of common stock. Separately, 10,395,045 shares are held by Squadron Capital LLC, where he is one of two members of the managing committee. He may be deemed a beneficial owner of those shares but expressly disclaims beneficial ownership except for his pecuniary interest.

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Insider Pelizzon David R
Role null
Type Security Shares Price Value
Grant/Award Common Stock 32,012 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 378,839 shares (Direct, null); Common Stock — 10,395,045 shares (Indirect, By Squadron Capital LLC)
Footnotes (1)
  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. These shares are held by Squadron Capital LLC ("Squadron"). As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.
RSUs granted 32,012 units Restricted stock units granted on June 10, 2026
RSU grant price $0.0000 per unit Reported transaction price per share for RSU grant
Direct shares after grant 378,839 shares Total common shares directly held following grant
Indirect shares via Squadron 10,395,045 shares Common shares held by Squadron Capital LLC
Transaction code A Grant, award, or other acquisition of common stock
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"
pecuniary interest financial
"disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein."
beneficial owner financial
"the reporting person may be deemed to be the beneficial owner of these shares."
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
Section 16 regulatory
"not be deemed to be an admission of beneficial ownership for purposes of Section 16"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
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SEC Form 4
FORM 4UNITED 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*
Pelizzon David R

(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)
XDirector10% 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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock(1)06/10/2026A(1)32,012A$0(1)378,839D
Common Stock10,395,045IBy Squadron Capital LLC(2)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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.
2. These shares are held by Squadron Capital LLC ("Squadron"). As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.
/s/ Tyson E. Marshall, Attorney-in-Fact06/12/2026
** Signature of Reporting PersonDate
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)

FAQ

What did Alphatec (ATEC) director David R. Pelizzon report in this Form 4?

He reported a grant of 32,012 restricted stock units and his updated direct and indirect holdings. The filing shows 378,839 shares held directly and 10,395,045 shares held indirectly through Squadron Capital LLC, with a disclaimer of full beneficial ownership.

How many restricted stock units did ATEC grant to David R. Pelizzon?

Alphatec granted 32,012 restricted stock units to David R. Pelizzon on June 10, 2026. Each unit represents a contingent right to receive one share of common stock, subject to vesting conditions tied to service and specific events like the next annual stockholder meeting.

What are the vesting terms of Pelizzon’s 32,012 restricted stock units at Alphatec (ATEC)?

The 32,012 restricted stock units vest on the earlier of the next annual meeting of stockholders or Pelizzon’s death or resignation. If vesting occurs due to death or resignation, the award vests pro-rata based on actual days served from grant date divided by 365.

How many Alphatec (ATEC) shares does David R. Pelizzon hold directly after this grant?

After the grant, Pelizzon holds 378,839 Alphatec common shares directly. This direct holding figure reflects the updated total reported in the Form 4 and is separate from the larger indirect position held through Squadron Capital LLC, which is reported with a beneficial ownership disclaimer.

What is Squadron Capital LLC’s role in David R. Pelizzon’s ATEC holdings?

Squadron Capital LLC holds 10,395,045 Alphatec shares reported as indirectly owned by Pelizzon. As one of two members of Squadron’s managing committee, he may be deemed a beneficial owner but expressly disclaims beneficial ownership except for his pecuniary interest in those shares.

Does David R. Pelizzon fully claim beneficial ownership of the Alphatec shares held by Squadron?

No. While the 10,395,045 shares held by Squadron Capital LLC are reported as indirectly owned, Pelizzon expressly disclaims beneficial ownership except to the extent of his pecuniary interest. The filing states this inclusion does not admit beneficial ownership for Section 16 or other purposes.