William A. Koefoed's most recent trade in OneStream Inc. - Ordinary Shares - Class A was a trade of 9,571 Class A Common Stock done at an average price of $17.7 . Disclosure was reported to the exchange on Dec. 15, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 17.73 per share. | 15 Dec 2025 | 9,571 | 206,127 | - | 17.7 | 169,694 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.38 per share. | 10 Dec 2025 | 6,285 | 215,698 | - | 18.4 | 115,518 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 19.03 per share. | 15 Sep 2025 | 8,943 | 221,983 | - | 19.0 | 170,185 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Payment of exercise price or tax liability using portion of securities received from the company at price $ 19.79 per share. | 10 Sep 2025 | 6,913 | 230,926 | - | 19.8 | 136,808 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 25 Jul 2025 | 25,000 | 170,481 | - | - | Stock Option (right to buy) | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 25.00 per share. | 25 Jul 2025 | 25,000 | 237,839 | - | 25 | 625,000 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 10.65 per share. | 25 Jul 2025 | 25,000 | 262,839 | - | 10.7 | 266,250 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 10.65 per share. | 25 Jun 2025 | 25,000 | 262,839 | - | 10.7 | 266,250 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 26.77 per share. | 25 Jun 2025 | 25,000 | 237,839 | - | 26.8 | 669,250 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 25 Jun 2025 | 25,000 | 195,481 | - | - | Stock Option (right to buy) | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 27.90 per share. | 16 Jun 2025 | 9,354 | 237,839 | - | 27.9 | 260,977 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 28.23 per share. | 11 Jun 2025 | 6,501 | 247,193 | - | 28.2 | 183,523 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 10.65 per share. | 27 May 2025 | 25,000 | 278,694 | - | 10.7 | 266,250 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 27 May 2025 | 25,000 | 220,481 | - | - | Stock Option (right to buy) | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 28.76 per share. | 27 May 2025 | 25,000 | 253,694 | - | 28.8 | 719,000 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Mar 2025 | 253,694 | 253,694 | - | 0 | Class A Common Stock | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 10.65 per share. | 18 Feb 2025 | 10,000 | 10,000 | - | 10.7 | 106,500 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 25.04 per share. | 18 Feb 2025 | 10,000 | 0 | - | 25.0 | 250,400 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 18 Feb 2025 | 10,000 | 245,481 | - | - | Stock Option (right to buy) | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 10.65 per share. | 15 Jan 2025 | 10,000 | 10,000 | - | 10.7 | 106,500 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Sale of securities on an exchange or to another person at price $ 26.57 per share. | 15 Jan 2025 | 10,000 | 0 | - | 26.6 | 265,700 | Class A Common Stock |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 15 Jan 2025 | 10,000 | 255,481 | - | - | Stock Option (right to buy) | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 13 Dec 2024 | 13,765 | 13,765 | - | 10.6 | 146,597 | Class A Common Stock | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 13 Dec 2024 | 10,000 | 265,481 | - | - | Stock Option (right to buy) | ||
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 13 Dec 2024 | 7,569 | 6,196 | - | 29.6 | 223,815 | Class A Common Stock | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 13 Dec 2024 | 6,196 | 0 | - | 30.5 | 189,102 | Class A Common Stock | |
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 13 Dec 2024 | 3,765 | 435,685 | - | - | Stock Option (right to buy) | ||
| OneStream Inc (Class A) | William A. Koefoed | Chief Financial Officer | 25 Jul 2024 | 20,000 | 0 | - | 18.9 | 377,000 | Class A Common Stock |