OBERWEIS ASSET MANAGEMENT INC/: GDYN position timeline

OBERWEIS ASSET MANAGEMENT INC/ held 0 GDYN 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 -648,400 shares

   13F-HR 0001213900-25-111225 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-11-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

   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 648,400 shares

   Change vs previous 13F +145,400 shares

   0.33% of the 13F portfolio, value $7,489,020.

   13F-HR 0001213900-25-076460 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

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

3. period ended2025-03-31

   13F 503,000 shares

   Change vs previous 13F 0 shares

   0.39% of the 13F portfolio, value $7,871,950.

   13F-HR 0001213900-25-043859 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-05-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

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

4. period ended2024-12-31

   13F 503,000 shares

   Change vs previous 13F +99,100 shares

   0.53% of the 13F portfolio, value $11,186,720.

   13F-HR 0001213900-25-013939 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

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

5. period ended2024-09-30

   13F 403,900 shares

   Change vs previous 13F not available

   0.29% of the 13F portfolio, value $5,654,600.

   13F-HR 0001213900-24-098012 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2024-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

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