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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001258897-18-000859
Filing Date
2018-02-09
Accepted
2018-02-09 07:35:16
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A dfs008.htm SC 13G/A 51226
  Complete submission text file 0001258897-18-000859.txt   53127
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

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)

IRS No.: 161694797 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-80173 | Film No.: 18587648
SIC: 4812 Radiotelephone Communications