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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001050442-22-000009
Filing Date
2022-02-15
Accepted
2022-02-14 17:49:57
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G PRLB 2021-12-31 PRLB_20211231.txt SC 13G 8417
  Complete submission text file 0001050442-22-000009.txt   9864
Mailing Address 150 S. FIFTH ST SUITE 2550 MINNEAPOLIS MN 55402
Business Address 150 S 5TH ST SUITE 2550 MINNEAPOLIS MN 55402 6123174100
DISCIPLINED GROWTH INVESTORS INC /MN (Filed by) CIK: 0001050442 (see all company filings)

IRS No.: 411901233 | State of Incorp.: MN | Fiscal Year End: 1231
Type: SC 13G

Mailing Address 5540 Pioneer Creek Maple Plain MN 55359
Business Address 5540 Pioneer Creek Maple Plain MN 55359 763-479-7474
Proto Labs Inc (Subject) CIK: 0001443669 (see all company filings)

IRS No.: 000000000 | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-87297 | Film No.: 22635565
SIC: 3440 Fabricated Structural Metal Products