OUST
Ouster, Inc. · Manufacturing · Market cap $2.2B
Insiders sold $6.7M net in the last 90 days ·7 sellers, 0 buyers· 9 of 10 sales under Rule 10b5-1 plans· latest Form 4 filed Sep 16, 2026
Insider Buying
$178K
reported purchases (SEC code P)
Insider Selling
$47.4M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Oct 7, 2026
Chung Megan
Ouster, Inc. (OUST) has 64 SEC Form 4 filings (105 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Oct 7, 2026.
Inside the rolling window, 10 insiders at Ouster, Inc. reported 2 open-market purchases totaling $178K and 51 open-market sales totaling $47.4M. The most active filer is Chief Technology Officer Frichtl Mark with 18 filings. Insiders have net sold $42.9M over the trailing 6 months. The most recent open-market filing is a sale of 11,484 shares by General Counsel and Secretary Chung Megan, dated Sep 14, 2026, worth $390K.
- Industry:Semiconductors
- CEO:Angus Pacala
- Employees:320
- HQ:San Francisco, CA, US
- IPO:2020-10-09
| Source | |||||||
|---|---|---|---|---|---|---|---|
Chung MeganFirst in 3 months | General Counsel and Secretary | Sale | 11,484 | $390K | Sep 16 | -10.8% | SEC ↗ |
| Chief Operating Officer | Sale | 12,808 | $435K | Sep 16 | -10.8% | SEC ↗ | |
Pacala Charles AngusFirst in 3 months | President and CEO | Sale | 30,385 | $1.0M | Sep 16 | -10.8% | SEC ↗ |
Jacquemet CyrilleFirst in 3 months | Chief Revenue Officer | Sale | 8,896 | $302K | Sep 16 | -10.8% | SEC ↗ |
| Chief Financial Officer | Sale | 15,686 | $533K | Sep 16 | -10.8% | SEC ↗ | |
Frichtl MarkFirst in 3 months | Chief Technology Officer | Sale | 18,778 | $638K | Sep 16 | -10.8% | SEC ↗ |
| Chief Financial Officer | Sale | 40,000 | $1.8M | Aug 20 | -20.1% | SEC ↗ | |
SKAGGS STEPHEN AFirst in 3 months | Director | Sale | 1,386 | $64K | Aug 7 | — | SEC ↗ |
SKAGGS STEPHEN AFirst in 3 months | Director | Sale | 3,614 | $163K | Aug 7 | — | SEC ↗ |
| Chief Operating Officer | Sale | 30,000 | $1.4M | Aug 6 | — | SEC ↗ | |
| Director | Sale | 1,695 | $80K | Jun 22 | — | SEC ↗ | |
| Chief Revenue Officer | Sale | 8,723 | $339K | Jun 16 | — | SEC ↗ | |
Gianella Kenneth P.First filing | Chief Financial Officer | Sale | 54,337 | $2.1M | Jun 16 | — | SEC ↗ |
| Chief Operating Officer | Sale | 12,559 | $488K | Jun 16 | — | SEC ↗ | |
| General Counsel and Secretary | Sale | 11,261 | $437K | Jun 16 | — | SEC ↗ | |
Pacala Charles AngusFirst in 3 months | President and CEO | Sale | 29,797 | $1.2M | Jun 16 | — | SEC ↗ |
| Chief Technology Officer | Sale | 18,414 | $715K | Jun 16 | — | SEC ↗ | |
| Chief Revenue Officer | Sale | 9,433 | $377K | May 27 | — | SEC ↗ | |
| Chief Technology Officer | Sale | 75,684 | $2.8M | May 27 | — | SEC ↗ | |
| Chief Technology Officer | Sale | 308,742 | $12.8M | May 27 | — | SEC ↗ | |
| Chief Operating Officer | Sale | 30,000.5 | $1.4M | May 27 | — | SEC ↗ | |
Jacquemet CyrilleFirst filing | Chief Revenue Officer | Sale | 10,000 | $350K | May 22 | — | SEC ↗ |
Heystee SusanFirst in 5 months | Director | Sale | 9,316 | $324K | May 22 | — | SEC ↗ |
| Chief Technology Officer | Sale | 136,434 | $4.4M | May 15 | — | SEC ↗ | |
| Chief Technology Officer | Sale | 40,000 | $1.4M | May 15 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does OUST have?
Ouster, Inc. (OUST) has 64 SEC Form 4 filings (105 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Oct 7, 2026.
When was the most recent SEC Form 4 filing for OUST?
The most recent Form 4 filing for OUST on Tracefour is dated Oct 7, 2026.
Who is the most active insider at OUST?
The most active SEC Form 4 filer at OUST in the rolling window is Chief Technology Officer Frichtl Mark, with 18 filings.
What is the net insider flow at OUST over the last 6 months?
Over the trailing 180 days, insiders at OUST have net sold $42.9M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at OUST in the current window?
Inside the rolling window, insiders at OUST bought $178K and sold $47.4M based on SEC Form 4 filings.
Can I get alerts for OUST insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Ouster, Inc. (OUST). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Ouster, Inc. is in the Manufacturing sector.