Quick Takeaways
- Thomas Anthony Shea has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $380,638,362.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of Thomas Anthony Shea
- Location
- Rochester, MI
- Summary
- The estimated net worth of Thomas Anthony Shea is at least $380,638,362 dollars as of 03 Apr 2026. Thomas Anthony Shea is the CEO, Director, 10%+ Owner of OneStream, Inc. and owns shares of OneStream, Inc. (OS) stock worth about $380.64M.
- Signature
- /s/ Holly Koczot, attorney-in-fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Thomas Anthony Shea and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: OneStream, Inc. ($380,638,362).
- Past-year value change for that position: -$279,844.
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 Thomas Anthony Shea
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| OS | OneStream, Inc. | CEO, Director, 10%+ Owner | $380,638,362 | -$279,844 | -0.07% | 01 Apr 2026 |
Insider Transactions Reported by Thomas Anthony Shea:
| 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.