Quick Takeaways
- William A. Koefoed has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $3,654,631.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of William A. Koefoed
- Location
- Little Rock, AR
- Summary
- The estimated net worth of William A. Koefoed is at least $3,654,631 dollars as of 05 Jan 2026. William A. Koefoed is the Former Chief Financial Officer of OneStream, Inc. and owns shares of OneStream, Inc. (OS) stock worth about $3.65M.
- Signature
- /s/ Holly Koczot, attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow William A. Koefoed and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: OneStream, Inc. ($3,654,631).
- Past-year value change for that position: -$2,797,629.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of William A. Koefoed
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| OS | OneStream, Inc. | Former Chief Financial Officer | $3,654,631 | -$2,797,629 | -43% | 31 Dec 2025 |
Insider Transactions Reported by William A. Koefoed:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.