SPENCER DARIEN
Chief Operating Officer
SPENCER DARIEN has filed 8 SEC Form 4 filings (8 transaction rows) across 1 company, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Sep 16, 2026.
On the most recent filing, SPENCER DARIEN is listed as Chief Operating Officer at Ouster, Inc. Inside the rolling window, SPENCER DARIEN reported no open-market purchases and 6 open-market sales totaling $4.2M in OUST. The largest disclosed transaction in the window is a sale of 30,000.5 OUST shares on May 26, 2026, worth $1.4M.
Companies traded
Other insiders at OUST
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$4.2M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| OUST | Chief Operating Officer | Sale | 12,808 | $435K | Sep 16 | SEC ↗ | |
| OUST | Chief Operating Officer | Sale | 30,000 | $1.4M | Aug 6 | SEC ↗ | |
| OUST | Chief Operating Officer | Sale | 12,559 | $488K | Jun 16 | SEC ↗ | |
| OUST | Chief Operating Officer | Sale | 30,000.5 | $1.4M | May 27 | SEC ↗ | |
| OUST | Chief Operating Officer | Sale | 10,938 | $256K | Mar 16 | SEC ↗ | |
| OUST | Chief Operating Officer | Sale | 10,919 | $273K | Dec 16 | 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 12, 2025 | OUST | Sale | $520K |
Frequently asked questions
How many SEC Form 4 filings has SPENCER DARIEN made?
SPENCER DARIEN has filed 8 SEC Form 4 filings (8 transaction rows) across 1 company since 2025.
Which companies does SPENCER DARIEN trade?
SPENCER DARIEN has filed SEC Form 4 disclosures for 1 company, including OUST.
When was SPENCER DARIEN's most recent SEC Form 4 filing?
SPENCER DARIEN's most recent SEC Form 4 filing on Tracefour is dated Sep 16, 2026.
What is SPENCER DARIEN's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, SPENCER DARIEN is listed as Chief Operating Officer.
What is SPENCER DARIEN's total buy and sell value in the current window?
Inside the rolling retention window, SPENCER DARIEN bought $0 and sold $4.2M based on SEC Form 4 filings.
What was SPENCER DARIEN's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 30,000.5 OUST shares on 2026-05-26, worth $1.4M, per SEC Form 4 filings.