Mark Frichtl
CIK 1847596 · Chief Technology Officer · last filed 2026-05-27
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$0
Companies
3
Total Filings
20
Lifetime Open-Market Net
-$29.98M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| Ouster, Inc. (OUST.WS.A) Delisted | Chief Technology Officer | 643,666 | $0.03 | $19.2K | -$28.87M | 16 | 2026-05-27 |
| Ouster, Inc. (OUSTZ) Delisted | Chief Technology Officer | 652,571 | $0.00 | $1.3K | -$1.11M | 3 | 2025-12-16 |
| Ouster, Inc. (OUST.WS) Delisted | Chief Technology Officer | 3,343,636 | $0.09 | $300.9K | $0 | 1 | 2021-03-15 |
Recent Filings · Page 2 of 2
20 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-16 | Ouster, Inc. (OUSTZ) Delisted | Sell (S) | −15,661 | -$391.2K | EDGAR |
| 2025-09-16 | Ouster, Inc. (OUSTZ) Delisted | Sell (S) | −25,329 | -$720.8K | EDGAR |
| 2025-04-02 | Ouster, Inc. (OUSTZ) Delisted | Grant (A) | +175,000 | $0 | EDGAR |
| 2024-12-16 | Ouster, Inc. (OUST.WS.A) Delisted | Buy (P) | +5,045 | $49.3K | EDGAR |
| 2024-05-16 | Ouster, Inc. (OUST.WS.A) Delisted | Buy (P) | +8,000 | $98.7K | EDGAR |
| 2024-04-01 | Ouster, Inc. (OUST.WS.A) Delisted | Grant (A) | +92,319 | $0 | EDGAR |
| 2023-05-18 | Ouster, Inc. (OUST.WS.A) Delisted | Buy (P) | +25,700 | $150.1K | EDGAR |
| 2023-05-18 | Ouster, Inc. (OUST.WS.A) Delisted | Buy (P) | +25,700 | $150.2K | EDGAR |
| 2023-03-20 | Ouster, Inc. (OUST.WS.A) Delisted | Grant (A) | +375,000 | $0 | EDGAR |
| 2021-03-15 | Ouster, Inc. (OUST.WS) Delisted | Grant (A) | +3,343,636 | $0 | EDGAR |
Showing 11–20 of 20
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Page 2 of 2
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.