John Maurice Sampson

Companies

• Dow Inc.Senior Vice President Jan 8, 2021 to now¹
• Olin CorporationVP - M&E, CAV/EPOXY/GCO Oct 7, 2015 to Mar 5, 2020²

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. DOW134,860 shares³$4.1M at $30.31Mar 2, 2026
• Olin Corporation OLN70,254 shares⁴$1.1M at $15.16Feb 20, 2020

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

Recent filings

• Feb 26, 2026Returned to company 3,016 shares at $29.90 of Dow Inc.³
• Feb 12, 2026Granted 11,420 shares of Dow Inc.⁵
• Feb 12, 2026Granted 10,316 shares of Dow Inc.⁵
• Feb 9, 2026Returned to company 1,510 shares at $32.08 of Dow Inc.⁶
• Nov 28, 2025Returned to company 323 shares at $23.85 of Dow Inc.⁷
• Feb 24, 2025Returned to company 2,668 shares at $39.05 of Dow Inc.⁸
• Feb 13, 2025Granted 9,344 shares of Dow Inc.⁹
• Feb 13, 2025Granted 9,720 shares of Dow Inc.⁹
• Feb 10, 2025Returned to company 1,368 shares at $38.57 of Dow Inc.¹⁰
• Nov 29, 2024Returned to company 225 shares at $44.21 of Dow Inc.¹¹
• Mar 4, 2024Returned to company 3,536 shares at $57.06 of Dow Inc.¹²
• Mar 4, 2024Exercised options 3,786 shares at $50.07 of Dow Inc.¹²
• Feb 21, 2024Returned to company 16,705 shares at $55.75 of Dow Inc.¹³
• Feb 15, 2024Granted 42,840 shares of Dow Inc.¹⁴
• Feb 15, 2024Granted 6,760 shares of Dow Inc.¹⁴
• Feb 12, 2024Returned to company 1,261 shares at $54.79 of Dow Inc.¹⁵
• Dec 18, 2023Granted 46,083 shares of Dow Inc.¹⁶
• Nov 30, 2023Returned to company 198 shares at $51.75 of Dow Inc.¹⁷
• Oct 9, 2023Returned to company 2,246 shares at $50.81 of Dow Inc.¹⁸
• Feb 9, 2023Granted 5,950 shares of Dow Inc.¹⁹
• Dec 2, 2022Returned to company 179 shares at $51.55 of Dow Inc.²⁰
• May 3, 2022Returned to company 3,827 shares at $68.17 of Dow Inc.²¹
• May 3, 2022Exercised options 4,500 shares at $50.07 of Dow Inc.²¹
• Feb 10, 2022Granted 5,390 shares of Dow Inc.²²
• Dec 3, 2021Returned to company 147 shares at $53.07 of Dow Inc.²³