L-5 Healthcare Partners, LLC → Alphatec Holdings, Inc. ATEC

Stake: 6.45% Shares: 9,214,698 CUSIP: 02081G102 Class: Common Stock, par value $0.0001 per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

1 transaction

1 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-08-31

DTC 9.40

13,672,295 shares short · +0.3% vs prior

Post-Filing Returns · since 2025-02-04 on ATEC

+1 day

-1.6%

+5 days

-10.6%

+30 days

-11.0%

+60 days

-17.5%

+90 days

-1.3%

+180 days

+22.5%

Anchor price 12.14 on closest trading day on/after 2025-02-04. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-09-10	Miles Patrick	director, officer	Buy	115,000	$8.81	$1.01M

Other 13D/G Filings on Alphatec Holdings, Inc.

Filed	Form	Filer	Stake	Shares
2025-04-11	SCHEDULE	L-5 Healthcare Partners, LLC	5.30%	7,699,315	view →
2019-03-07	SC	L-5 Healthcare Partners, LLC	—	—	view →

Other Filings by L-5 Healthcare Partners, LLC

Filed	Form	Issuer	Stake	Shares
2025-04-11	SCHEDULE	Alphatec Holdings, Inc. ATEC	5.30%	7,699,315	view →
2019-03-07	SC	Alphatec Holdings, Inc. ATEC	—	—	view →

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