David Kostman
Co-Chief Executive Officer at Teads Holding Co.
Sits on 3 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 8 years
- Director since
- 2023
8 years of board service in total across 3 boards, counting each seat separately. Longest: Teads Holding Co., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Unity Software Inc. June 5, 202469.8%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 30, 2026 | NICE Ltd | Shares withheld for tax | −5 | $106.81 | $534 |
| Jun 5, 2026 | Teads Holding Co. | Shares withheld for tax | −28,411 | $1.22 | $34,661 |
| Jun 5, 2026 | Teads Holding Co. | Shares withheld for tax | −7,870 | $1.15 | $9,051 |
| Jun 5, 2026 | Teads Holding Co. | Shares withheld for tax | −6,716 | $1.15 | $7,723 |
| Jun 2, 2026 | Teads Holding Co. | Open-market purchase | +13,500 | $1.07 | $14,445 |
| Jun 1, 2026 | Teads Holding Co. | Open-market purchase | +15,000 | $1.19 | $17,850 |
| May 29, 2026 | Teads Holding Co. | Open-market purchase | +18,000 | $1.16 | $20,880 |
| May 13, 2026 | Teads Holding Co. | Grant or award | +324,000 | — | — |
| Mar 7, 2026 | Teads Holding Co. | Shares withheld for tax | −7,660 | $0.84 | $6,434 |
| Mar 7, 2026 | Teads Holding Co. | Shares withheld for tax | −11,043 | $0.84 | $9,276 |
| Mar 7, 2026 | Teads Holding Co. | Shares withheld for tax | −13,680 | $0.84 | $11,491 |
| Sep 7, 2025 | Teads Holding Co. | Shares withheld for tax | −9,216 | $1.63 | $15,022 |
| Sep 7, 2025 | Teads Holding Co. | Shares withheld for tax | −13,391 | $1.63 | $21,827 |
| Sep 7, 2025 | Teads Holding Co. | Shares withheld for tax | −16,590 | $1.63 | $27,042 |
| Jun 7, 2025 | Teads Holding Co. | Shares withheld for tax | −9,216 | $2.81 | $25,897 |
Questions about David Kostman
What boards is David Kostman on?
David Kostman sits on the boards of NICE Ltd, Teads Holding Co. and Unity Software Inc.
What company is David Kostman the CEO of?
David Kostman is Co-Chief Executive Officer of Teads Holding Co.
How long has David Kostman served on boards?
Our records show at least 8 years of board service across 3 boards, the earliest from 2023.
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