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ISSUER PROFILE · CIK 0001333822 · CUSIP 816645105

SemiLEDs CorpLEDS

2 13D/G filings 2 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 2 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
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Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
2
2 SCHEDULE
Distinct filers
2
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-03-31

13D/G Filings Timeline · 2 total

FiledFormFilerStakeSharesIntent
2025-03-04 SCHEDULE Simplot Taiwan Inc. 57.70% 4,716,188 view →
2025-03-04 SCHEDULE DOAN TRUNG T 57.69% 4,716,188 view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 7,937 1.00 +31.6%
2026-03-13 6,033 1.00 +5.5%
2026-02-27 5,718 1.00 -10.0%
2026-02-13 6,355 1.00 +283.3%
2026-01-30 1,658 1.00 -12.0%
2026-01-15 1,884 1.00 +34.8%
2025-12-31 1,398 1.00 -93.4%
2025-12-15 21,308 1.00 +77.6%

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