Who
David Day
Chief Financial Officer
Company insider
Files Form 4 as: Chief Financial Officer, Magnite; SVP, Corp. Controller & CAO, ReachLocal.
In numbers
- Trades disclosed
- 177
- Buys
- 0
- Sells
- 60
- Bought
- $0
- Sold
- $16.2M
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 4 Aug 2011
- Last trade
- 15 Aug 2026
- Last filed
- 18 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 15 Aug 2026filed 18 Aug 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $350K14,170 at $24.73 | filing |
| 15 Aug 2026filed 18 Aug 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $350K14,170 at $24.73 | filing |
| 13 Aug 2026filed 14 Aug 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code G | —26,258 at $0.00 | filing |
| 13 Aug 2026filed 14 Aug 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code G | —26,258 at $0.00 | filing |
| 15 May 2026filed 19 May 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $182K14,170 at $12.82 | filing |
| 15 May 2026filed 19 May 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $182K14,170 at $12.82 | filing |
| 15 Feb 2026filed 18 Feb 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $358K30,617 at $11.70 | filing |
| 15 Feb 2026filed 18 Feb 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $358K30,617 at $11.70 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code M | —72,675 at $0.00 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $569K35,169 at $16.17 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI Magniteoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —72,675 at $0.00 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI Magniteoption or derivative · IT Services & Consulting | SEC FORM 4 Code M | —72,675 at $0.00 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code M | —72,675 at $0.00 | filing |
| 9 Jan 2026filed 12 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $569K35,169 at $16.17 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code A | —131,661 at $0.00 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MGNI Magniteoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —44,231 at $0.00 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MGNI Magniteoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | —44,231 at $0.00 | filing |
| 1 Jan 2026filed 5 Jan 2026 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code A | —131,661 at $0.00 | filing |
| 15 Nov 2025filed 18 Nov 2025 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Code F | $187K13,197 at $14.15 | filing |
| 18 Aug 2025filed 20 Aug 2025 | MGNI MagniteIT Services & Consulting | SEC FORM 4 Sold | $319K13,366 at $23.85 | filing |
News
No headline names them, or the companies they trade most, lately.