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- Megan Chung - OfficerOpen-market sale$390K
Darien Spencer - Officer
About Ouster, Inc. (OUST)
Ouster, Inc. is an SEC registrant, filing under CIK 0001816581, classified as general industrial machinery and equipment, nec. We track it alongside the rest of the Industrials sector.
OUST Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 13 | 173,037 | $6.72M |
| Grant or award | 1 | 779 | |
| Option exercise | 2 | 200,000 | |
OUST insider transactions (Form 4)
3688 Form 4 filings on record, the earliest from Oct 9, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Susan Heystee | Open-market sale | Common Stock | 11,650 footnote F1 | $25.03 footnote F2 | $292K | |
| ||||||
| Darien Spencer - Officer | Open-market sale | Common Stock | 10,919 footnote F1 | $24.98 footnote F2 | $273K | |
| ||||||
| Phillip Eyler | Grant or award | Common Stock | 11,683 footnote F1 | $0.00 | - | |
| Phillip Eyler | Grant or award | Common Stock | 3,975 footnote F2 | $0.00 | - | |
| ||||||
| Ted L. Tewksbury III | Open-market sale | Common Stock | 1,695 | $25.38 | $43K | |
| Megan Chung - Officer | Open-market sale | Common Stock | 5,837 footnote F1 | $31.02 footnote F2 | $181K | |
| ||||||
| Susan Heystee | Grant or award | Common Stock | 1,010 footnote F1 | $32.43 | $33K | |
| ||||||
 Mark Frichtl - Officer | Open-market sale | Common Stock | 25,329 | $28.46 | $721K | |
| Charles Angus Pacala - Officer | Open-market sale | Common Stock | 37,992 | $28.46 | $1.08M | |
| Megan Chung - Officer | Open-market sale | Common Stock | 17,183 | $28.46 | $489K | |
| Darien Spencer - Officer | Open-market sale | Common Stock | 18,274 | $28.46 | $520K | |
| Susan Heystee | Open-market sale | Common Stock | 40,390 | $30.00 | $1.21M | |
| Susan Heystee | Grant or award | Common Stock | 1,712 | $22.42 | $38K | |
 Ernest E. Maddock | Grant or award | Common Stock | 13,558 | $0.00 | - | |
| Ernest E. Maddock | Grant or award | Common Stock | 1,500 | $0.00 | - | |
 Stephen A. Skaggs | Grant or award | Common Stock | 13,558 | $0.00 | - | |
| Virginia Boulet | Grant or award | Common Stock | 13,558 | $0.00 | - | |
| Darien Spencer - Officer | Open-market sale | Common Stock | 3,226 | $18.76 | $61K | |
| Darien Spencer - Officer | Open-market sale | Common Stock | 248 | $9.08 | $2K | |
| Mark Frichtl - Officer | Open-market purchase | Common Stock | 4,545 | $9.78 | $44K | |
| Mark Frichtl - Officer | Open-market purchase | Common Stock | 500 | $9.78 | $5K | |
| Charles Angus Pacala - Officer | Open-market purchase | Common Stock | 45,454 | $9.82 | $446K | |
| Charles Angus Pacala - Officer | Open-market purchase | Common Stock | 5,500 | $9.56 | $53K | |
| Megan Chung - Officer | Open-market sale | Common Stock | 13,671 | $9.69 | $132K | |
| Mark Weinswig - Officer | Open-market sale | Common Stock | 19,712 | $9.69 | $191K | |
| Darien Spencer - Officer | Open-market sale | Common Stock | 14,869 | $9.69 | $144K | |
| Mark Weinswig - Officer | Open-market sale | Common Stock | 518 | $9.70 | $5K | |
| Mark Weinswig - Officer | Open-market sale | Common Stock | 24,220 | $8.73 | $211K | |
| Mark Weinswig - Officer | Open-market sale | Common Stock | 7,177 | $8.72 | $63K | |
| Mark Weinswig - Officer | Open-market sale | Common Stock | 4,460 | $8.91 | $40K | |
| Christina Correia | Grant or award | Common Stock | 43,373 | $0.00 | - | |
| Christina Correia | Grant or award | Common Stock | 14,759 | $0.00 | - | |
| Stephen A. Skaggs | Grant or award | Common Stock | 43,373 | $0.00 | - | |
| Stephen A. Skaggs | Grant or award | Common Stock | 14,759 | $0.00 | - | |
| Karin Radstrom | Grant or award | Common Stock | 1,633 | $6.45 | $11K | |
| Susan Heystee | Grant or award | Common Stock | 4,847 | $6.45 | $31K | |
Item 2.02, 9.01
Item 8.01, 9.01
Item 5.03, 5.07, 9.01
Item 8.01, 9.01
Recent OUST Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Chung Megan | Officer | 12,447 | $467K | View on EDGAR | |
| SPENCER DARIEN | Officer | 13,882 | $520K |
OUST insider trading FAQ
What is the latest insider trade for OUST?
Ouster, Inc. (OUST) had 13 insider filings in the last 90 days, with the most recent on 2026-10-07. The full record for OUST runs to 88 Form 4 filings, the earliest from 2024-10-09. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying OUST stock?
No insider purchases of OUST were filed in the last 90 days. 7 purchases are on record for this company.
How many insiders are selling OUST stock?
13 insider sales of OUST were filed in the last 90 days, totaling $6.72M.
Where can I see OUST SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects OUST Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Susan Heystee view on EDGAR
- - Megan Chung view on EDGAR
- - Darien Spencer view on EDGAR
- - Charles Angus Pacala view on EDGAR
- - Cyrille Jacquemet view on EDGAR
- - Kenneth P. Gianella view on EDGAR
- - Mark Frichtl view on EDGAR
- - Megan Chung view on EDGAR
- - Mark Frichtl view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where OUST's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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