Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-19-002283
Filing Date
2019-01-31
Accepted
2019-01-31 15:51:40
Documents
1

Document Format Files

Seq Description Document Type Size
1 spokholdingsinc.htm SC 13G/A 42531
  Complete submission text file 0000932471-19-002283.txt   44517
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482 6106691000
VANGUARD WORLD FUND (Filed by) CIK: 0000052848 (see all company filings)

EIN.: 046035483 | State of Incorp.: DE | Fiscal Year End: 0831
Type: SC 13G/A

Mailing Address 6850 VERSAR CENTER, SUITE 420 SPRINGFIELD VA 22151
Business Address 6850 VERSAR CENTER, SUITE 420 SPRINGFIELD VA 22151 800-611-8488
Spok Holdings, Inc (Subject) CIK: 0001289945 (see all company filings)

EIN.: 161694797 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-80173 | Film No.: 19555826
SIC: 4812 Radiotelephone Communications