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ISSUER PROFILE · CIK 0001501697

Arsanis, Inc.XFOR

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
7.16
as of 2026-03-31

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2018-01-26 SC ORBIMED ADVISORS LLC view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 3,123,686 7.16 -10.7%
2026-03-13 3,498,089 5.65 +1.2%
2026-02-27 3,456,380 6.15 +2.3%
2026-02-13 3,379,356 6.51 +8.3%
2026-01-30 3,121,800 12.59 +0.9%
2026-01-15 3,094,769 7.32 +3.1%
2025-12-31 3,001,615 2.92 -4.9%
2025-12-15 3,155,605 4.22 +27.1%

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