Alphatec Holdings, Inc. — SD Filings
12 SD filings on record
This page lists all SD filings submitted to the SEC by Alphatec Holdings, Inc. (ATEC), sorted by most recent first. Each row links to the full filing on EdgarLookup. Alphatec Holdings, Inc. has filed 12 SD documents with the SEC since 2015. To view all SEC filings by Alphatec Holdings, Inc., see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B3
424B4
424B5
424B8
425
5
8-A12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFM14A
EFFECT
FWP
NT 10-K
PRE 14A
PREM14A
PRER14A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-3MEF
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SD | SD | 0000950170-25-078426 | May 28, 2025 | — |
| SD | SD | 0000950170-24-062997 | May 21, 2024 | — |
| SD | SD | 0000950170-23-023271 | May 19, 2023 | — |
| SD | SD | 0001564590-22-020550 | May 17, 2022 | — |
| SD | SD - CONFLICT MINERALS 2020 | 0001564590-21-029098 | May 20, 2021 | — |
| SD | SD | 0001564590-20-027513 | May 29, 2020 | — |
| SD | SD | 0001564590-19-019799 | May 20, 2019 | — |
| SD | SD | 0001193125-18-170581 | May 22, 2018 | — |
| SD | FORM SD | 0001193125-17-188690 | May 31, 2017 | — |
| SD | SD | 0001350653-16-000077 | May 31, 2016 | — |
| SD | SD | 0001350653-15-000012 | Jun 1, 2015 | — |
| SD | FORMSD | 0001350653-14-000012 | May 28, 2014 | — |