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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001104659-20-017621
Filing Date
2020-02-12
Accepted
2020-02-12 07:23:15
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G tv0011-permapipeinternationa.htm SC 13G 11134
  Complete submission text file 0001104659-20-017621.txt   13115
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106691000
VANGUARD INDEX FUNDS (Filed by) CIK: 0000036405 (see all company filings)

IRS No.: 231999755 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G

Mailing Address 6410 WEST HOWARD STREET NILES IL 60714
Business Address 6410 WEST HOWARD STREET NILES IL 60714 8479661000
Perma-Pipe International Holdings, Inc. (Subject) CIK: 0000914122 (see all company filings)

IRS No.: 363922969 | State of Incorp.: DE | Fiscal Year End: 0131
Type: SC 13G | Act: 34 | File No.: 005-43197 | Film No.: 20599711
SIC: 3564 Industrial & Commercial Fans & Blowers & Air Purifing Equip