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WYNNEFIELD CAPITAL INC: SIL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WYNNEFIELD CAPITAL INC on SIL, newest first. How the timeline and the estimate are built.

WYNNEFIELD CAPITAL INC held 25,000 SIL shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 25,000 shares
    Change vs previous 13F 0 shares

    1.33% of the 13F portfolio, value $1,936,500.

    13F-HR 0001104659-26-097115 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 25,000 shares
    Change vs previous 13F 0 shares

    1.53% of the 13F portfolio, value $2,252,000.

    13F-HR 0001104659-26-062491 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 25,000 shares
    Change vs previous 13F -5,000 shares

    1.17% of the 13F portfolio, value $2,088,000.

    13F-HR 0001104659-26-015166 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 30,000 shares
    Change vs previous 13F -20,000 shares

    1.29% of the 13F portfolio, value $2,148,900.

    13F-HR 0001104659-25-112530 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 50,000 shares
    Change vs previous 13F 0 shares

    1.42% of the 13F portfolio, value $2,407,000.

    13F-HR 0001104659-25-068057 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 50,000 shares
    Change vs previous 13F 0 shares

    1.25% of the 13F portfolio, value $1,972,500.

    13F-HR 0001104659-25-049377 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 50,000 shares
    Change vs previous 13F 0 shares

    0.72% of the 13F portfolio, value $1,588,500.

    13F-HR 0001104659-25-014221 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 50,000 shares
    Change vs previous 13F not available

    0.78% of the 13F portfolio, value $1,754,500.

    13F-HR 0001104659-24-118903 filed by WYNNEFIELD CAPITAL INC
    Filed (acceptance time not in the bulk data set), ingested

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