13D·WATCH Activist + Insider Intelligence Live feed Blog About Pilot
ISSUER PROFILE · CIK 0001804176 · CUSIP 124155102

Butterfly Network, Inc.BFLY

5 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
1 SCHEDULE · 4 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
7.18
as of 2026-05-29

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2025-03-07 SCHEDULE ROTHBERG JONATHAN M 100.00% 26,426,937 view →
2022-09-16 SC ROTHBERG JONATHAN M view →
2021-03-30 SC Longview Investors LLC view →
2021-03-26 SC Rothberg Michael view →
2021-03-26 SC ROTHBERG JONATHAN M view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 27,154,629 7.18 +8.8%
2026-05-15 24,967,529 5.03 +3.4%
2026-04-30 24,143,035 3.54 -3.6%
2026-04-15 25,041,724 7.39 -0.1%
2026-03-31 25,067,630 5.61 -3.2%
2026-03-13 25,907,698 5.26 -12.5%
2026-02-27 29,599,602 2.58 +18.8%
2026-02-13 24,910,482 4.84 +7.3%
2026-01-30 23,226,604 4.47 -12.9%
2026-01-15 26,671,691 4.30 +5.6%
2025-12-31 25,251,548 5.17 +6.2%
2025-12-15 23,772,344 4.94 +14.4%

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