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ISSUER PROFILE · CIK 0000806517

PSYCHEMEDICS CORPPMDI

4 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
4
4 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 · 4 total

FiledFormFilerStakeSharesIntent
2022-06-10 SC Kamin Peter view →
2022-01-26 SC Kamin Peter view →
2021-09-23 SC Kamin Peter view →
2021-08-19 SC Kamin Peter view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 515 1.00 +329.2%
2026-03-13 120 1.00 -92.5%
2026-02-27 1,609 2.48 -13.2%
2026-02-13 1,854 7.89 -21.8%
2026-01-30 2,370 1.60 0.0%
2026-01-15 2,370 1.00 -18.8%
2025-12-31 2,917 1.00 +3.2%
2025-12-15 2,827 1.00 0.0%

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