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ISSUER PROFILE · CIK 0000868278

ProPhase Labs, Inc.PRPH

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

Cross-Reference Snapshot

Activist filings
1
1 SC
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2018-02-26 SC Karkus Ted William view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 44,294 1.00 -36.5%
2026-03-13 69,774 1.00 +12.7%
2026-02-27 61,894 1.00 -21.5%
2026-02-13 78,859 1.00 +14.4%
2026-01-30 68,908 1.00 -28.9%
2026-01-15 96,944 1.00 -66.5%
2025-12-31 289,006 1.00 -3.7%
2025-12-15 300,239 1.00 +114.7%

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