Buonasera David
CHIEF TECHNOLOGY OFFICER
Buonasera David has filed 14 SEC Form 4 filings (20 transaction rows) across 1 company, with disclosures dating back to 2025. 13 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.
On the most recent filing, Buonasera David is listed as CHIEF TECHNOLOGY OFFICER at MAGNITE, INC. Inside the rolling window, Buonasera David reported no open-market purchases and 10 open-market sales totaling $841K in MGNI. The largest disclosed transaction in the window is a sale of 11,233 MGNI shares on Jun 16, 2026, worth $202K.
Companies traded
Other insiders at MGNI
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$841K
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,165 | $28K | Sep 16 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 5,371 | $126K | Sep 3 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,043 | $26K | Sep 3 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 7,649 | $179K | Aug 7 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,224 | $26K | Jul 9 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 9,376 | $188K | Jul 2 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,057 | $18K | Jun 17 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 11,233 | $202K | Jun 17 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,409 | $27K | Jun 17 | SEC ↗ | |
| MGNI | CHIEF TECHNOLOGY OFFICER | Sale | 1,409 | $21K | Jun 3 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 3, 2025 | MGNI | Sale | $75K |
Frequently asked questions
How many SEC Form 4 filings has Buonasera David made?
Buonasera David has filed 14 SEC Form 4 filings (20 transaction rows) across 1 company since 2025.
Which companies does Buonasera David trade?
Buonasera David has filed SEC Form 4 disclosures for 1 company, including MGNI.
When was Buonasera David's most recent SEC Form 4 filing?
Buonasera David's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.
What is Buonasera David's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Buonasera David is listed as CHIEF TECHNOLOGY OFFICER.
What is Buonasera David's total buy and sell value in the current window?
Inside the rolling retention window, Buonasera David bought $0 and sold $841K based on SEC Form 4 filings.
What was Buonasera David's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 11,233 MGNI shares on 2026-06-16, worth $202K, per SEC Form 4 filings.