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

Butterfly Network, Inc.BFLY

7 13D/G filings 3 distinct filers 4 insider transactions (365d)

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

Median 30d
-36.1%
avg -36.1%
Median 60d
-30.4%
avg -30.4%
Median 90d
-26.0%
avg -26.0%
Median 180d
-51.7%
avg -51.7%

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

Cross-Reference Snapshot

Activist filings
7
2 SCHEDULE 13D/A · 1 SCHEDULE · 4 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
4
0 buys · 4 sales
Latest short DTC
3.59
as of 2026-07-15

13D/G Filings Timeline · 7 total

FiledFormFilerStakeSharesIntent
2026-07-21 SCHEDULE 13D/A ROTHBERG JONATHAN M 828,775 view →
2026-07-17 SCHEDULE 13D/A ROTHBERG JONATHAN M 100.00% 828,775 view →
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 JONATHAN M view →
2021-03-26 SC Rothberg Michael view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-07-16 ROTHBERG JONATHAN M director, 10%+ Sale 253,867 $7.09 $1.80M
2026-07-16 ROTHBERG JONATHAN M director, 10%+ Sale 1,213,634 $7.09 $8.60M
2026-07-15 ROTHBERG JONATHAN M director, 10%+ Sale 1,730,319 $7.32 $12.67M
2026-07-14 ROTHBERG JONATHAN M director, 10%+ Sale 815,632 $7.72 $6.29M

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-07-15 31,253,468 3.59 +8.7%
2026-06-30 28,743,987 1.70 +11.1%
2026-06-15 25,868,056 4.58 -4.7%
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%

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