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Planned insider sales
Notices (SEC Form 144) that executives and other insiders file before selling shares, and whether a sale was reported afterwards.
About this data
- What it is
- Before an executive, director or large owner sells restricted or control shares, they file a short notice with the SEC, called Form 144, saying how many shares they plan to sell, through which broker and roughly when. This feed lists those notices, and for each one shows whether a sale was reported afterwards on a Form 4 and how many days later.
- Who files it
- The person selling, or their broker, on the day the sale is placed. Electronic notices start in April 2023.
- How current
- We collect new notices throughout the day on SEC business days.
- Terms
- Form 144The notice an insider or other affiliate of a company files with the SEC before selling restricted or control shares, so the shares can be sold under Rule 144. The notice says how many shares, through which broker, and roughly when.10b5-1 planA Rule 10b5-1 trading plan lets an insider set up future sales in advance, on a schedule or at set prices, at a time when they do not hold inside information. A notice that gives a plan adoption date says the sale is made under such a plan.
- Worth knowing
- A notice is a plan, not a sale: the person may sell fewer shares, later, or not at all. The value is the one the filer typed, at a price they chose, not what the shares sell for. Many sales are routine, made to diversify or pay taxes, or under a 10b5-1 plan set up months earlier. A blank in the last column does not mean no sale: the person may not have to file a Form 4 (an ordinary affiliate does not), the sale may be recent, or the Form 4 may name a different spelling of the person. We match by the filer's number first and by name second. Information, not investment advice.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Form 144 notices per day, last 30 days
All notices Notices that give a 10b5-1 plan
By the day each notice was filed. A notice is a plan to sell, not a sale.
Latest notices of planned insider sales
Showing: ticker OUST
| Filed | Insider | Company | Shares to sellA notice is a plan, not a sale. The person may sell fewer shares, sell later, or not sell at all, and the number of shares is what they expect to sell on the day they file. | ValueThe aggregate market value the filer typed on the notice: the shares times a price the filer chose. It is not what the shares will sell for. | PlanA Rule 10b5-1 trading plan lets an insider set up future sales in advance, on a schedule or at set prices, at a time when they do not hold inside information. A notice that gives a plan adoption date says the sale is made under such a plan. | Expected sale | Sale reportedInsiders who are officers, directors or hold more than 10% report their sales on a Form 4, within two business days. We look for the first Form 4 with an open-market sale by the same person in the same company within 90 days of the notice, and show how many days after the notice it was filed. A blank means we found none: the person may not have sold, may not have to file a Form 4, or the Form 4 may be one we do not have. | Notice |
|---|---|---|---|---|---|---|---|---|
| Nov 10, 2026 | Susan Heystee Director | OUST Ouster, Inc. | 7,551 | $282.7K | — | Nov 10, 2026 | Form 4 ↗ 2 days later · 7,551 shares | Form 144 ↗ |
| Nov 6, 2026 | Stephen Skaggs Director | OUST Ouster, Inc. | 5,000 | $170.0K | 10b5-1 | Nov 6, 2026 | Form 4 ↗ 4 days later · 5,000 shares | Form 144 ↗ |
| Sep 11, 2026 | Jacquemet Cyrille Officer | OUST Ouster, Inc. | 9,642 | $361.5K | — | Sep 11, 2026 | Form 4 ↗ 5 days later · 8,896 shares | Form 144 ↗ |
| Sep 11, 2026 | Megan Chung Officer | OUST Ouster, Inc. | 12,447 | $466.6K | 10b5-1 | Sep 11, 2026 | Form 4 ↗ 5 days later · 11,484 shares | Form 144 ↗ |
| Sep 11, 2026 | Pacala Charles Angus Officer, Director | OUST Ouster, Inc. | 32,934 | $1.2M | 10b5-1 | Sep 11, 2026 | Form 4 ↗ 5 days later · 30,385 shares | Form 144 ↗ |
| Sep 11, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 20,353 | $763.0K | 10b5-1 | Sep 11, 2026 | Form 4 ↗ 5 days later · 18,778 shares | Form 144 ↗ |
| Sep 11, 2026 | Kenneth P. Gianella Officer | OUST Ouster, Inc. | 17,002 | $637.4K | 10b5-1 | Sep 11, 2026 | Form 4 ↗ 5 days later · 15,686 shares | Form 144 ↗ |
| Sep 11, 2026 | Spencer Darien Officer | OUST Ouster, Inc. | 13,882 | $520.4K | 10b5-1 | Sep 11, 2026 | Form 4 ↗ 5 days later · 12,808 shares | Form 144 ↗ |
| Aug 18, 2026 | Kenneth Gianella Officer | OUST Ouster, Inc. | 40,000 | $1.8M | 10b5-1 | Aug 18, 2026 | Form 4 ↗ 1 day later · 40,000 shares | Form 144 ↗ |
| Aug 6, 2026 | Stephen Skaggs Director | OUST Ouster, Inc. | 3,614 | $163.3K | 10b5-1 | Aug 6, 2026 | Form 4 ↗ 1 day later · 5,000 shares | Form 144 ↗ |
| Aug 5, 2026 | Stephen Skaggs Director | OUST Ouster, Inc. | 1,386 | $64.4K | 10b5-1 | Aug 5, 2026 | Form 4 ↗ 2 days later · 5,000 shares | Form 144 ↗ |
| Aug 4, 2026 | Darien R Spencer Officer | OUST Ouster, Inc. | 30,000 | $1.4M | 10b5-1 | Aug 4, 2026 | Form 4 ↗ 1 day later · 30,000 shares | Form 144 ↗ |
| Jun 22, 2026 | Theodore Tewksbury III Director | OUST Ouster, Inc. | 1,695 | $79.7K | 10b5-1 | Jun 22, 2026 | Form 4 ↗ same day · 1,695 shares | Form 144 ↗ |
| May 26, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 268,742 | $10.0M | 10b5-1 | May 26, 2026 | Form 4 ↗ 1 day later · 308,742 shares | Form 144 ↗ |
| May 26, 2026 | Darien R Spencer Officer | OUST Ouster, Inc. | 30,001 | $1.4M | 10b5-1 | May 26, 2026 | Form 4 ↗ 1 day later · 30,001 shares | Form 144 ↗ |
| May 26, 2026 | Cyrille Jacquemet Officer | OUST Ouster, Inc. | 9,433 | $377.3K | 10b5-1 | May 26, 2026 | Form 4 ↗ 1 day later · 9,433 shares | Form 144 ↗ |
| May 22, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 115,684 | $4.1M | 10b5-1 | May 22, 2026 | Form 4 ↗ 5 days later · 384,426 shares | Form 144 ↗ |
| May 21, 2026 | Susan Heystee Director | OUST Ouster, Inc. | 9,316 | $324.2K | — | May 21, 2026 | Form 4 ↗ 1 day later · 9,316 shares | Form 144 ↗ |
| May 20, 2026 | Cyrille Jacquemet Officer | OUST Ouster, Inc. | 10,000 | $350.0K | 10b5-1 | May 14, 2026 | Form 4 ↗ 7 days later · 9,433 shares | Form 144 ↗ |
| May 15, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 4,316 | $150.5K | 10b5-1 | May 15, 2026 | Form 4 ↗ same day · 180,750 shares | Form 144 ↗ |
| May 14, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 40,000 | $1.4M | 10b5-1 | May 14, 2026 | Form 4 ↗ 1 day later · 180,750 shares | Form 144 ↗ |
| May 13, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 136,434 | $3.7M | 10b5-1 | May 13, 2026 | Form 4 ↗ 2 days later · 180,750 shares | Form 144 ↗ |
| May 5, 2026 | Stephen Skaggs Director | OUST Ouster, Inc. | 5,000 | $150.0K | 10b5-1 | May 5, 2026 | Form 4 ↗ 2 days later · 5,000 shares | Form 144 ↗ |
| May 4, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 34,600 | $915.2K | 10b5-1 | May 4, 2026 | Form 4 ↗ 2 days later · 34,600 shares | Form 144 ↗ |
| Apr 22, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 400 | $11.0K | 10b5-1 | Apr 22, 2026 | Form 4 ↗ 1 day later · 400 shares | Form 144 ↗ |
| Apr 21, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 60,000 | $1.6M | 10b5-1 | Apr 21, 2026 | Form 4 ↗ same day · 120,000 shares | Form 144 ↗ |
| Apr 21, 2026 | Stephen Skaggs Director | OUST Ouster, Inc. | 5,000 | $140.0K | 10b5-1 | Apr 21, 2026 | Form 4 ↗ 1 day later · 5,000 shares | Form 144 ↗ |
| Apr 20, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 60,000 | $1.5M | 10b5-1 | Apr 20, 2026 | Form 4 ↗ 1 day later · 120,000 shares | Form 144 ↗ |
| Apr 17, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 30,000 | $725.1K | 10b5-1 | Apr 17, 2026 | Form 4 ↗ same day · 30,000 shares | Form 144 ↗ |
| Apr 16, 2026 | Megan Chung Officer | OUST Ouster, Inc. | 5,837 | $144.2K | 10b5-1 | Apr 16, 2026 | Form 4 ↗ 1 day later · 5,837 shares | Form 144 ↗ |
| Apr 15, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 20,000 | $468.4K | 10b5-1 | Apr 15, 2026 | Form 4 ↗ same day · 60,000 shares | Form 144 ↗ |
| Apr 14, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 40,000 | $875.2K | 10b5-1 | Apr 14, 2026 | Form 4 ↗ 1 day later · 60,000 shares | Form 144 ↗ |
| Mar 25, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 40,000 | $822.8K | 10b5-1 | Mar 25, 2026 | Form 4 ↗ 2 days later · 40,000 shares | Form 144 ↗ |
| Mar 19, 2026 | Tewksbury Ph D. Theodore Director | OUST Ouster, Inc. | 1,695 | $33.9K | 10b5-1 | Mar 19, 2026 | Form 4 ↗ 4 days later · 1,695 shares | Form 144 ↗ |
| Mar 11, 2026 | Mark Frichtl Officer | OUST Ouster, Inc. | 17,922 | $368.3K | 10b5-1 | Mar 12, 2026 | Form 4 ↗ 5 days later · 15,689 shares | Form 144 ↗ |
| Mar 11, 2026 | Charles Angus Pacala Officer, Director | OUST Ouster, Inc. | 28,162 | $578.7K | 10b5-1 | Mar 12, 2026 | Form 4 ↗ 5 days later · 24,657 shares | Form 144 ↗ |
| Mar 11, 2026 | Megan Chung Officer | OUST Ouster, Inc. | 10,958 | $225.2K | 10b5-1 | Mar 12, 2026 | Form 4 ↗ 5 days later · 9,593 shares | Form 144 ↗ |
| Mar 11, 2026 | Darien Spencer Officer | OUST Ouster, Inc. | 12,495 | $256.8K | 10b5-1 | Mar 12, 2026 | Form 4 ↗ 5 days later · 10,938 shares | Form 144 ↗ |
| Jan 16, 2026 | Megan Chung Officer | OUST Ouster, Inc. | 5,837 | $159.0K | 10b5-1 | Jan 16, 2026 | Form 4 ↗ 5 days later · 5,837 shares | Form 144 ↗ |
| Dec 19, 2025 | Tewksbury Ph D. Theodore Director | OUST Ouster, Inc. | 1,695 | $36.4K | 10b5-1 | Dec 19, 2025 | Form 4 ↗ 4 days later · 1,695 shares | Form 144 ↗ |
| Dec 12, 2025 | Susan Heystee Director | OUST Ouster, Inc. | 11,650 | $291.6K | — | Dec 12, 2025 | Form 4 ↗ 4 days later · 11,650 shares | Form 144 ↗ |
| Dec 11, 2025 | Darien Spencer Officer | OUST Ouster, Inc. | 12,068 | $307.9K | — | Dec 12, 2025 | Form 4 ↗ 5 days later · 10,919 shares | Form 144 ↗ |
| Dec 11, 2025 | Charles Angus Pacala Officer, Director | OUST Ouster, Inc. | 27,202 | $693.9K | 10b5-1 | Dec 12, 2025 | Form 4 ↗ 5 days later · 24,610 shares | Form 144 ↗ |
| Dec 11, 2025 | Mark Frichtl Officer | OUST Ouster, Inc. | 17,311 | $441.6K | 10b5-1 | Dec 12, 2025 | Form 4 ↗ 5 days later · 15,661 shares | Form 144 ↗ |
| Dec 11, 2025 | Megan Chung Officer | OUST Ouster, Inc. | 11,821 | $301.6K | — | Dec 12, 2025 | Form 4 ↗ 5 days later · 10,696 shares | Form 144 ↗ |
| Nov 12, 2025 | Theodore Tewksbury Director | OUST Ouster, Inc. | 1,695 | $43.0K | 10b5-1 | Nov 11, 2025 | Form 4 ↗ 41 days later · 1,695 shares | Form 144 ↗ |
| Oct 17, 2025 | Megan Chung Officer | OUST Ouster, Inc. | 5,838 | $181.1K | 10b5-1 | Oct 17, 2025 | Form 4 ↗ 3 days later · 5,837 shares | Form 144 ↗ |
| Sep 11, 2025 | Darien Spencer Officer | OUST Ouster, Inc. | 19,168 | $546.5K | — | Sep 12, 2025 | Form 4 ↗ 5 days later · 18,274 shares | Form 144 ↗ |
| Sep 11, 2025 | Charles Angus Pacala Officer, Director | OUST Ouster, Inc. | 40,009 | $1.1M | 10b5-1 | Sep 12, 2025 | Form 4 ↗ 5 days later · 37,992 shares | Form 144 ↗ |
| Sep 11, 2025 | Mark Frichtl Officer | OUST Ouster, Inc. | 26,674 | $760.5K | 10b5-1 | Sep 12, 2025 | Form 4 ↗ 5 days later · 25,329 shares | Form 144 ↗ |
The newest 50 items, most recent first. Every row links to the notice on the SEC's site, and to the Form 4 when we found one. Updated Nov 15, 2026, 6:11 PM EST.
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