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ISSUER PROFILE · CIK 0001615219

Flex Pharma, Inc.DCOY

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
1.00
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2018-01-05 SC PRIMECAP MANAGEMENT CO/CA/ view →
2018-01-04 SC PRIMECAP MANAGEMENT CO/CA/ view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 19,296 1.00 -33.3%
2026-03-13 28,912 1.00 -90.6%
2026-02-27 306,610 3.79 -24.0%
2026-02-13 403,367 1.56 -10.7%
2026-01-30 451,869 1.17 -57.9%
2026-01-15 1,071,991 1.00 +380.1%

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