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Disclosery

WATER ISLAND CAPITAL LLC: SLAB position timeline

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

WATER ISLAND CAPITAL LLC held 148,138 SLAB 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 148,138 shares
    Change vs previous 13F +89,721 shares

    3.43% of the 13F portfolio, value $32,377,041.

    13F-HR 0001222765-26-000011 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).

  2. period ended2026-03-31
    13F 58,417 shares
    Change vs previous 13F not available

    1.62% of the 13F portfolio, value $12,159,499.

    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).