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Disclosery

OBERWEIS ASSET MANAGEMENT INC/: NOV position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OBERWEIS ASSET MANAGEMENT INC/ on NOV, newest first. How the timeline and the estimate are built.

OBERWEIS ASSET MANAGEMENT INC/ held 0 NOV shares at 2025-09-30 per its 13F-HR filed 2025-11-17.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -730,200 shares

    13F-HR 0001213900-25-111225 filed by OBERWEIS ASSET MANAGEMENT INC/
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 730,200 shares
    Change vs previous 13F +13,800 shares

    0.39% of the 13F portfolio, value $9,076,386.

    13F-HR 0001213900-25-076460 filed by OBERWEIS ASSET MANAGEMENT INC/
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-03-31
    13F 716,400 shares
    Change vs previous 13F not available

    0.54% of the 13F portfolio, value $10,903,608.

    13F-HR 0001213900-25-043859 filed by OBERWEIS ASSET MANAGEMENT INC/
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).