ARDSLEY ADVISORY PARTNERS LP: EOSE position timeline

ARDSLEY ADVISORY PARTNERS LP held 550,000 EOSE shares at 2026-06-30 per its 13F-HR filed 2026-07-13.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 550,000 shares

   Change vs previous 13F +250,000 shares

   0.35% of the 13F portfolio, value $3,227,070.

   13F-HR 0001172661-26-002590 filed by ARDSLEY ADVISORY PARTNERS LP
   Filed 2026-07-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

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

2. period ended2026-03-31

   13F 300,000 shares

   Change vs previous 13F -255,000 shares

   0.23% of the 13F portfolio, value $1,488,000.

   13F-HR 0001172661-26-002039 filed by ARDSLEY ADVISORY PARTNERS LP
   Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

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

3. period ended2025-12-31

   13F 555,000 shares

   Change vs previous 13F -1,045,000 shares

   0.81% of the 13F portfolio, value $6,360,300.

   13F-HR 0001172661-26-000864 filed by ARDSLEY ADVISORY PARTNERS LP
   Filed 2026-02-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

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

4. period ended2025-09-30

   13F 1,600,000 shares

   Change vs previous 13F +1,600,000 shares

   2.78% of the 13F portfolio, value $18,144,160.

   13F-HR 0001172661-25-004897 filed by ARDSLEY ADVISORY PARTNERS LP
   Filed 2025-11-14 (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).

5. period ended2024-09-30

   13F 0 shares

   Change vs previous 13F not available

   13F-HR 0001172661-24-004816 filed by ARDSLEY ADVISORY PARTNERS LP
   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).

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