Quick Takeaways
- David Kostman has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $4,230,980.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of David Kostman
- Location
- New York, NY
- Summary
- The estimated net worth of David Kostman is at least $4,230,980 dollars as of 18 Mar 2026. David Kostman is the Director of Unity Software Inc. and owns shares of Unity Software Inc. (U) stock worth about $2.53M. David Kostman is the Chief Executive Officer, Director of Teads Holding Co. and owns shares of Teads Holding Co. (TEAD) stock worth about $1.7M.
- Signature
- /s/ Alon Levy, Attorney-in-Fact for David Kostman
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow David Kostman 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: Unity Software Inc. ($2,533,266).
- Past-year value change for that position: .
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.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of David Kostman
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| U | Unity Software Inc. | Director | $2,533,266 | 05 Jun 2024 | ||
| TEAD | Teads Holding Co. | Chief Executive Officer, Director | $1,697,714 | 07 Mar 2026 | ||
| NICE, NCSYF | NICE Ltd. | Director | 18 Mar 2026 |
Insider Transactions Reported by David Kostman:
| 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.