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SCHEDULE 13D/A

Beneficial Ownership Report

SEMPREON, INC Filed 2025-04-04 Acc 0001140361-25-012380

Documents 1

SCHEDULE 13D/A Beneficial Ownership Report , xslSCHEDULE_13D_X01/primary_doc.xml

Around this filing

2025-08-21 SCHEDULE 13D/A Beneficial Ownership Report
2025-04-04 SCHEDULE 13D/A Beneficial Ownership Report
2025-04-03 4 Director acquired 751 shares (grant or award)
2025-04-03 4 Director acquired 662 shares (grant or award)
2025-04-02 4 Director sold 778 shares at $28.89 ($22,476)
2025-04-02 4 Director sold 58,903 shares at an average $28.38 ($1,671,415)
2025-03-18 SCHEDULE 13D/A Beneficial Ownership Report

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