SIMPLEX TRADING, LLC: SDRL position timeline

SIMPLEX TRADING, LLC held 187 SDRL shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 187 shares

   Change vs previous 13F +126 shares

   <0.01% of the 13F portfolio, value $7,072.

   13F-HR 0001488542-26-000011 filed by SIMPLEX TRADING, LLC
   Filed 2026-08-12 (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 61 shares

   Change vs previous 13F +61 shares

   <0.01% of the 13F portfolio, value $2,775.

   13F-HR 0001488542-26-000009 filed by SIMPLEX TRADING, LLC
   Filed 2026-05-14 (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 0 shares

   Change vs previous 13F -8,977 shares

   13F-HR 0001488542-26-000002 filed by SIMPLEX TRADING, LLC
   Filed 2026-02-11 (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).

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

4. period ended2025-09-30

   13F 8,977 shares

   Change vs previous 13F -2,692 shares

   0.01% of the 13F portfolio, value $271,000.

   13F-HR 0001488542-25-000018 filed by SIMPLEX TRADING, LLC
   Filed 2025-11-12 (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 ended2025-06-30

   13F 11,669 shares

   Change vs previous 13F +11,669 shares

   0.01% of the 13F portfolio, value $306,000.

   13F-HR 0001488542-25-000010 filed by SIMPLEX TRADING, LLC
   Filed 2025-08-05 (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).

6. period ended2024-12-31

   13F 0 shares

   Change vs previous 13F -24,178 shares

   13F-HR 0001488542-25-000001 filed by SIMPLEX TRADING, LLC
   Filed 2025-02-11 (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).

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

7. period ended2024-09-30

   13F 24,178 shares

   Change vs previous 13F not available

   0.03% of the 13F portfolio, value $960,000.

   13F-HR 0001488542-24-000015 filed by SIMPLEX TRADING, LLC
   Filed 2024-11-08 (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).