13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0001609550 · CUSIP 457730109

Inspire Medical Systems, Inc.INSP

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

Cross-Reference Snapshot

Activist filings
2
2 SCHEDULE 13G
Distinct filers
2
multi-activist cluster
Insiders (365d)
1
1 buys · 0 sales
Latest short DTC
4.16
as of 2026-07-15

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $793K
Point72 Asset Mgmt

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2026-07-02 SCHEDULE 13G D. E. SHAW & CO, L.P. view →
2026-05-27 SCHEDULE 13G Soleus Capital Master Fund, L.P. view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-07-20 CARREL MICHAEL H director Award 5,631

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 4,344,629 4.16 -7.5%
2026-06-30 4,694,748 3.80 +30.8%
2026-06-15 3,589,616 3.77 -2.9%
2026-05-29 3,695,854 3.11 +0.4%
2026-05-15 3,681,515 2.10 +15.5%
2026-04-30 3,187,512 4.04 +10.4%
2026-04-15 2,888,404 2.60 -9.8%
2026-03-31 3,201,461 3.30 -10.3%
2026-03-13 3,568,904 3.82 -5.0%
2026-02-27 3,755,963 2.51 -4.7%
2026-02-13 3,942,973 2.36 +1.9%
2026-01-30 3,868,836 2.59 +31.1%

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