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ISSUER PROFILE · CIK 0001289945

Spok Holdings, IncSPOK

2 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
2.96
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2018-04-12 SC Braeside Investments, LLC view →
2018-01-08 SC Braeside Investments, LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 520,296 2.96 -2.4%
2026-03-13 532,995 2.89 -7.7%
2026-02-27 577,687 2.17 +26.3%
2026-02-13 457,339 3.06 +6.8%
2026-01-30 428,096 2.56 +30.4%
2026-01-15 328,368 2.06 +22.6%
2025-12-31 267,833 1.60 -15.4%
2025-12-15 316,567 1.96 -8.3%

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