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Disclosery

WATER ISLAND CAPITAL LLC: STAA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WATER ISLAND CAPITAL LLC on STAA, newest first. How the timeline and the estimate are built.

WATER ISLAND CAPITAL LLC held 0 STAA shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -67,862 shares

    13F-HR 0001222765-26-000007 filed by WATER ISLAND CAPITAL LLC
    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 ended2025-12-31
    13F 67,862 shares
    Change vs previous 13F -590,455 shares

    0.19% of the 13F portfolio, value $1,566,934.

    13F-HR 0001222765-26-000003 filed by WATER ISLAND CAPITAL LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 658,317 shares
    Change vs previous 13F not available

    2.53% of the 13F portfolio, value $17,688,977.

    13F-HR 0001222765-25-000021 filed by WATER ISLAND CAPITAL LLC
    Filed (acceptance time not in the bulk data set), ingested

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