The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Koefoed William A since 2016.
This trader's CIK number is 1642337.
At the time of last reporting, Koefoed William A was the Chief Financial Officer of Onestream, Inc.. (stock ticker symbol OS).
Also see all insider trading activities at Onestream, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | OS | 0 | $0 | 75,855 | $2,038,899 | 60,000 | $639,000 |
| 2024 | OS | 0 | $0 | 33,765 | $790,569 | 13,765 | $146,597 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2016 | OZRK | 1,000 | $41,783 | 0 | $0 | 0 | $0 |
2. Bank Of The Ozarks Inc (OZRK)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-07-25 | OS | Option Ex | 25,000 | 10.65 | 266,250 |
| 2025-07-25 | OS | Sale | 25,000 | 25.00 | 625,000 |
| 2025-06-16 | OS | Sale | 9,354 | 27.90 | 260,976 |
| 2025-06-11 | OS | Sale | 6,501 | 28.23 | 183,523 |
| 2025-05-27 | OS | Option Ex | 25,000 | 10.65 | 266,250 |
| 2025-05-27 | OS | Sale | 25,000 | 28.76 | 719,000 |
| 2025-02-18 | OS | Option Ex | 10,000 | 10.65 | 106,500 |
| 2025-02-18 | OS | Sale | 10,000 | 25.04 | 250,400 |
| 2024-12-13 | OS | Option Ex | 13,765 | 10.65 | 146,597 |
| 2024-12-13 | OS | Sale | 13,765 | 30.05 | 413,569 |
| 2024-07-25 | OS | Sale | 20,000 | 18.85 | 377,000 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2016-04-28 | OZRK | Buy | 1,000 | 41.78 | 41,783 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Koefoed William A (Chief Financial Officer of Onestream, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.