Proto Labs Inc — SC 13G/A Filings
56 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by Proto Labs Inc (PRLB), sorted by most recent first. Each row links to the full filing on EdgarLookup. Proto Labs Inc has filed 56 SC 13G/A documents with the SEC since 2008. To view all SEC filings by Proto Labs Inc, see the full filings list.
All
10-K
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B4
5
5/A
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
NO ACT
PRE 14A
REGDEX
S-1
S-1/A
S-3ASR
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | — | 0002012383-24-003438 | Nov 8, 2024 | — |
| SC 13G/A | — | 0002012383-24-000604 | Oct 18, 2024 | — |
| SC 13G/A | FORM 13G/A PRLB 12-31-23 | 0001050442-24-000008 | Feb 14, 2024 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-021764 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-000816 | Jan 22, 2024 | — |
| SC 13G/A | — | 0001398344-23-003122 | Feb 14, 2023 | — |
| SC 13G/A | PRLB SC13G-A 2022-12-31 | 0001050442-23-000006 | Feb 14, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-016778 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-002394 | Jan 23, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-031889 | Mar 9, 2022 | — |
| SC 13G/A | SC13G/A | 0001140361-22-005038 | Feb 14, 2022 | — |
| SC 13G/A | HARDING LOEVNER LP | 0001085146-22-001057 | Feb 14, 2022 | — |
| SC 13G/A | — | 0001398344-22-003237 | Feb 14, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-018384 | Feb 10, 2022 | — |
| SC 13G/A | AMENDMENT NO. 1 | 0001214659-22-001857 | Feb 4, 2022 | — |
| SC 13G/A | — | 0000834237-22-002703 | Jan 27, 2022 | — |
| SC 13G/A | — | 0000834237-22-001292 | Jan 26, 2022 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT | 0001112325-22-000006 | Jan 21, 2022 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT | 0001112325-22-000005 | Jan 21, 2022 | — |
| SC 13G/A | — | 0001398344-21-012938 | Jun 10, 2021 | — |
| SC 13G/A | SC 13G/A | 0001104659-21-024175 | Feb 16, 2021 | — |
| SC 13G/A | — | 0001398344-21-003229 | Feb 12, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-018910 | Feb 10, 2021 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #7 | 0001112325-21-000004 | Jan 25, 2021 | — |
| SC 13G/A | — | 0001398344-20-003456 | Feb 14, 2020 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017430 | Feb 12, 2020 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #6 | 0001112325-20-000003 | Feb 5, 2020 | — |
| SC 13G/A | — | 0000834237-20-002656 | Feb 4, 2020 | — |
| SC 13G/A | — | 0000932471-19-006570 | Mar 11, 2019 | — |
| SC 13G/A | — | 0001398344-19-002747 | Feb 14, 2019 | — |
| SC 13G/A | — | 0000932471-19-005967 | Feb 12, 2019 | — |
| SC 13G/A | — | 0000215457-19-002357 | Jan 31, 2019 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #5 | 0001112325-19-000004 | Jan 25, 2019 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-19-000867 | Jan 15, 2019 | — |
| SC 13G/A | SC 13G/A | 0001193125-18-044468 | Feb 14, 2018 | — |
| SC 13G/A | — | 0001398344-18-002239 | Feb 14, 2018 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-18-002452 | Feb 14, 2018 | — |
| SC 13G/A | — | 0000932471-18-004492 | Feb 12, 2018 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #4 | 0001112325-18-000004 | Jan 29, 2018 | — |
| SC 13G/A | — | 0000215457-18-001584 | Jan 19, 2018 | — |
| SC 13G/A | — | 0000932471-17-002329 | Feb 13, 2017 | — |
| SC 13G/A | — | 0001398344-17-001734 | Feb 9, 2017 | — |
| SC 13G/A | PROTO LABS INC13G AMENDMENT #3 | 0001112325-17-000003 | Jan 24, 2017 | — |
| SC 13G/A | — | 0001398344-16-019437 | Oct 5, 2016 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001437749-16-025390 | Feb 16, 2016 | — |
| SC 13G/A | — | 0000932471-16-011040 | Feb 10, 2016 | — |
| SC 13G/A | — | 0001398344-16-009610 | Feb 5, 2016 | — |
| SC 13G/A | — | 0001398344-16-009627 | Feb 5, 2016 | — |
| SC 13G/A | PROTO LABS INC 13G AMENDMENT #2 | 0001112325-16-000035 | Feb 1, 2016 | — |
| SC 13G/A | SCHEDULE 13G | 0000898358-16-000040 | Jan 22, 2016 | — |