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ISSUER PROFILE · CIK 0001621227

Adaptimmune Therapeutics PLCADAPY

2 13D/G filings 2 distinct filers 7 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
2
2 SC
Distinct filers
2
multi-activist cluster
Insiders (365d)
7
0 buys · 7 sales
Latest short DTC
10.32
as of 2026-05-29

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2024-04-02 SC New Enterprise Associates 14, L.P. view →
2018-01-26 SC ORBIMED ADVISORS LLC view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2025-09-02 Wood Gavin officer Sale 96,000 $0.01 $950
2025-08-28 Bertrand William C JR officer Sale 207,000 $0.01 $2K
2025-08-18 Behbahani Ali director Sale 14,671,794 $0.01 $176K
2025-08-15 Behbahani Ali director Sale 4,828,206 $0.01 $53K
2025-07-30 EcoR1 Capital, LLC 10%+ Sale 27,433,338 $0.10 $2.80M
2025-07-29 EcoR1 Capital, LLC 10%+ Sale 2,687,460 $0.10 $272K
2025-07-28 EcoR1 Capital, LLC 10%+ Sale 33,931,740 $0.11 $3.82M

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 2,231,310 10.32 0.0%
2026-05-15 2,231,307 2.59 -0.7%
2026-04-30 2,246,497 2.83 +82.0%
2026-04-15 1,234,034 1.89 0.0%
2026-03-31 1,234,000 3.07 +0.0%
2026-03-13 1,233,719 2.74 0.0%
2026-02-27 1,233,696 1.00 +0.0%
2026-02-13 1,233,514 1.45 -0.8%
2026-01-30 1,243,121 1.00 -29.9%
2026-01-15 1,773,628 1.00 -13.5%
2025-12-31 2,051,336 1.00 -26.3%
2025-12-15 2,782,083 1.00 -17.0%

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