Diego Donoso

Companies

• Atmus Filtration Technologies Inc.Board member Mar 19, 2024 to now¹
• GrafTechBoard member Jun 14, 2023 to now²
• Dow Inc.President Apr 20, 2020 to Dec 6, 2022³

Holdings

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

Shares held

• DDow Inc. DOW26,894 shares⁴$815.2K at $30.31Dec 6, 2022
• AFAtmus Filtration Technologies Inc. ATMU11,697 shares⁵$524.5K at $44.84May 12, 2026

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

Recent filings

• May 12, 2026Granted 2,619 shares of Atmus Filtration Technologies Inc.⁵
• Nov 18, 2025Other 20 shares of Atmus Filtration Technologies Inc.⁶
• Nov 13, 2025Sold 20 shares at $48.84 of Atmus Filtration Technologies Inc.⁶
• Sep 5, 2025Bought 15 shares at $45.81 of Atmus Filtration Technologies Inc.⁶
• Aug 13, 2025Bought 25 shares at $45.00 of Atmus Filtration Technologies Inc.⁶
• May 20, 2025Granted 3,886 shares of Atmus Filtration Technologies Inc.⁷
• Apr 2, 2025Sold 40 shares at $37.79 of Atmus Filtration Technologies Inc.⁶
• Nov 9, 2024Exercised options 56,497 shares of CIK 931148⁸
• May 14, 2024Granted 4,565 shares of Atmus Filtration Technologies Inc.⁹
• Mar 18, 2024Granted 627 shares of Atmus Filtration Technologies Inc.¹⁰
• Dec 2, 2022Returned to company 397 shares at $51.55 of Dow Inc.⁴
• May 26, 2022Returned to company 14,212 shares at $68.03 of Dow Inc.¹¹
• May 26, 2022Exercised options 16,700 shares at $50.07 of Dow Inc.¹¹
• Feb 25, 2022Returned to company 2,705 shares at $59.65 of Dow Inc.¹²
• Feb 11, 2022Returned to company 867 shares at $61.09 of Dow Inc.¹³
• Feb 10, 2022Granted 9,457 shares of Dow Inc.¹³
• Feb 10, 2022Granted 4,040 shares of Dow Inc.¹³