Dawn Ostroff

Director, Mattel.

Companies

SweetgreenBoard member Jun 13, 2025 to now¹
MattelBoard member Feb 7, 2024 to now²
Paramount GlobalBoard member May 10, 2023 to now³
Activision BlizzardBoard member Jun 18, 2020 to Oct 16, 2023⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Sweetgreen SG37,870 shares⁵$380.8K at $10.05Jun 11, 2026
Mattel MAT0 shares⁶Feb 7, 2024
Activision Blizzard0 shares⁷Oct 13, 2023
Paramount Global9,405 shares⁸May 8, 2024

As of each latest filing. The line shows shares held over time.

Recent filings

Jun 11, 2026Granted 24,115 shares of Sweetgreen⁵
Jun 12, 2025Granted 13,755 shares of Sweetgreen⁹
May 8, 2024Granted 145 shares of Paramount Global⁸
May 8, 2024Exercised options 9,260 shares of Paramount Global⁸
Oct 13, 2023Returned to company 12,314 shares of Activision Blizzard⁷
Jun 26, 2023Granted 2,998 shares of Activision Blizzard¹⁰
Jun 24, 2022Granted 3,208 shares of Activision Blizzard¹¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARSweetgreen, Board member
2
SEC EDGARMattel, Board member
3
SEC EDGARParamount Global, Board member
4
SEC EDGARActivision Blizzard, Board member
5
SEC EDGARSweetgreen shares after the filing of Jun 11, 2026
6
SEC EDGARMattel shares after the filing of Feb 7, 2024
7
SEC EDGARActivision Blizzard shares after the filing of Oct 13, 2023
8
SEC EDGARParamount Global shares after the filing of May 8, 2024
9
SEC EDGARForm 4 filed Jun 13, 2025
10
SEC EDGARForm 4 filed Jun 28, 2023
11
SEC EDGARForm 4 filed Jun 28, 2022