Ouster CTO logs option exercise and 400-share sale
Ouster, Inc. Chief Technology Officer Mark Frichtl reported an option exercise and related share sale.
Accepted by SEC EDGAR
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Form Type
4
Rhea-AI Filing Summary
Ouster, Inc. Chief Technology Officer Mark Frichtl reported an option exercise and related share sale. He exercised non-qualified stock options for 400 shares of common stock at $2.13 per share, then sold 400 shares at $30.00 per share.
The filing shows the sale was made pursuant to a Rule 10b5-1 trading plan dated December 15, 2025, indicating it was pre-scheduled. After these transactions, he directly holds 712,297 shares of common stock and 66,034 stock options that are fully vested and exercisable, with the exercised option series expiring on October 1, 2030.
Insider Trade Summary 10b5-1
Exercise and Sale: 400 shares ($11K approx. pre-tax spread)
Exercise and Sale
3 txns
Insider
Frichtl Mark
Role
Chief Technology Officer
Sold
400 shs ($12K)
Approx. gross sale proceeds
$12K
Approx. exercise cost
$852.00
Approx. pre-tax spread
$11K
Share of Position Sold
0.06%
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Non-Qualified Stock Option | 400 | $0.00 | $0.00 |
| Exercise | Common Stock | 400 | $2.13 | $852.00 |
| Sale | Common Stock | 400 | $30.00 | $12K |
Holdings After Transaction:
Non-Qualified Stock Option — 66,034 contracts (Direct);
Common Stock — 712,297 shares (Direct)
Holdings Before and After:
Non-Qualified Stock Option, 66,434 to 66,034 contracts (Direct);
Common Stock, 712,297 to 712,297 shares (Direct)
Other Insiders: 2 other insiders reported open-market sales of this stock in the 30 days up to this filing.
Footnotes (2)
- F1. Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025.
- F2. The options are fully vested and exercisable.
Key Figures
Shares sold: 400 shares
Sale price: $30.00 per share
Options exercised: 400 shares
+5 more
8 metrics
Shares sold
400 shares
Open-market sale of common stock at $30.00 on April 22, 2026
Sale price
$30.00 per share
Price for 400 common shares sold on April 22, 2026
Options exercised
400 shares
Non-qualified stock option exercise into common stock
Option exercise price
$2.13 per share
Conversion or exercise price of non-qualified stock option
Common shares after
712,297 shares
Direct common stock ownership following reported transactions
Options remaining
66,034 options
Non-qualified stock options directly held after exercise
Option expiration
October 1, 2030
Expiration date of the option series exercised
Net share activity
-400 shares
Net of 400 shares sold versus 400 shares acquired via exercise
Key Terms
Rule 10b5-1, Non-Qualified Stock Option, open-market sale, derivative exercise/conversion, +1 more
5 terms
Rule 10b5-1 regulatory
"Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025."
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
Non-Qualified Stock Option financial
"security_title: "Non-Qualified Stock Option" for a derivative transaction."
A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.
open-market sale financial
"transaction_action: "open-market sale" describing the 400-share common stock disposition."
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
derivative exercise/conversion financial
"transaction_action: "derivative exercise/conversion" for the option exercise entries."
fully vested and exercisable financial
"The options are fully vested and exercisable."
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Ouster (OUST) CTO Mark Frichtl report in this Form 4?
He reported an option exercise and related share sale. Frichtl exercised options for 400 Ouster common shares at $2.13 each, then sold 400 shares at $30.00, while retaining a large remaining equity position.
What options on Ouster (OUST) stock does the CTO still have after the exercise?
He holds 66,034 non-qualified stock options on Ouster common stock. The filing notes these options are fully vested and exercisable, with the series exercised here carrying a stated expiration of October 1, 2030.
What was the exercise price of the Ouster (OUST) CTO’s stock options?
The exercised non-qualified stock options had a conversion or exercise price of $2.13 per share. He used these options to acquire 400 Ouster common shares before selling an equal number of shares on the same day.
AI-generated analysis. How Rhea-AI works. Not financial advice.
