William A. Koefoed

Companies

• OneStream, Inc.Chief financial officer Jul 24, 2024 to now¹

Holdings

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

Shares held

• OOneStream, Inc.206,127 shares²Dec 15, 2025

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

Recent filings

• Dec 15, 2025Sold 9,571 shares at $17.73 of OneStream, Inc.²
• Dec 10, 2025Shares withheld for tax 6,285 shares at $18.38 of OneStream, Inc.³
• Sep 15, 2025Sold 8,943 shares at $19.03 of OneStream, Inc.⁴
• Sep 10, 2025Shares withheld for tax 6,913 shares at $19.79 of OneStream, Inc.⁵
• Jul 25, 2025Sold 25,000 shares at $25.00 of OneStream, Inc.⁶
• Jul 25, 2025Exercised options 25,000 shares at $10.65 of OneStream, Inc.⁶
• Jun 25, 2025Sold 25,000 shares at $26.77 of OneStream, Inc.⁷
• Jun 25, 2025Exercised options 25,000 shares at $10.65 of OneStream, Inc.⁷
• Jun 16, 2025Sold 9,354 shares at $27.90 of OneStream, Inc.⁸
• Jun 11, 2025Sold 6,501 shares at $28.23 of OneStream, Inc.⁹
• May 27, 2025Sold 25,000 shares at $28.76 of OneStream, Inc.¹⁰
• May 27, 2025Exercised options 25,000 shares at $10.65 of OneStream, Inc.¹⁰
• Mar 10, 2025Granted 253,694 shares of OneStream, Inc.¹¹
• Feb 18, 2025Sold 10,000 shares at $25.04 of OneStream, Inc.¹²
• Feb 18, 2025Exercised options 10,000 shares at $10.65 of OneStream, Inc.¹²
• Jan 15, 2025Sold 10,000 shares at $26.57 of OneStream, Inc.¹³
• Jan 15, 2025Exercised options 10,000 shares at $10.65 of OneStream, Inc.¹³
• Dec 13, 2024Sold 6,196 shares at $30.52 of OneStream, Inc.¹⁴
• Dec 13, 2024Sold 7,569 shares at $29.57 of OneStream, Inc.¹⁴
• Dec 13, 2024Exercised options 13,765 shares at $10.65 of OneStream, Inc.¹⁴
• Jul 25, 2024Sold 20,000 shares at $18.85 of OneStream, Inc.¹⁵