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ISSUER PROFILE · CIK 0001964979 · CUSIP 02008G201

ALLURION TECHNOLOGIES, INC.ALURW

6 13D/G filings 1 distinct filers 12 insider transactions (365d)

Post-Filing Returns · across 5 activist filings on this issuer

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

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

Cross-Reference Snapshot

Activist filings
6
5 SCHEDULE · 1 SC
Distinct filers
1
single filer
Insiders (365d)
12
4 buys · 2 sales
Latest short DTC
1.00
as of 2026-05-29

13D/G Filings Timeline · 6 total

FiledFormFilerStakeSharesIntent
2025-11-07 SCHEDULE RTW INVESTMENTS, LP 43.60% 4,035,142 view →
2025-02-24 SCHEDULE RTW INVESTMENTS, LP 17.60% 1,050,053 view →
2025-01-29 SCHEDULE RTW INVESTMENTS, LP 21.90% 1,050,053 view →
2025-01-16 SCHEDULE RTW INVESTMENTS, LP 29.60% 1,050,060 view →
2025-01-10 SCHEDULE RTW INVESTMENTS, LP 9.99% 277,797 view →
2024-07-02 SC RTW INVESTMENTS, LP — — view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2025-12-04 Davin Michael R director Sale 1,606 $1.58 $3K
2025-12-03 Davin Michael R director Sale 1,606 $1.48 $2K
2025-11-26 Davin Michael R director Gift 2,608 — —
2025-11-12 RTW INVESTMENTS, LP director, 10%+ Award 991,544 $1.67 $1.66M
2025-11-12 RTW INVESTMENTS, LP director, 10%+ Award 767,848 $1.67 $1.28M
2025-11-12 RTW INVESTMENTS, LP director, 10%+ Award 96,896 $1.67 $162K
2025-11-05 RTW INVESTMENTS, LP director, 10%+ C 822,722 $3.35 $2.76M
2025-11-05 RTW INVESTMENTS, LP director, 10%+ C 631,954 $3.35 $2.12M
2025-11-05 RTW INVESTMENTS, LP director, 10%+ C 37,863 $3.35 $127K
2025-11-05 RTW INVESTMENTS, LP director, 10%+ Award — $3.35 —
2025-11-05 RTW INVESTMENTS, LP director, 10%+ C — $3.35 —
2025-10-03 Davin Michael R director Gift 604 — —

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 13,591 1.00 -40.5%
2026-05-15 22,830 1.29 +3.4%
2026-04-30 22,070 1.19 -50.7%
2026-04-15 44,774 8.65 +71.0%
2026-03-31 26,191 1.00 -8.0%
2026-03-13 28,457 1.00 -0.1%

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