Frichtl Mark
Officer · OUST
As of 2026-09-16, Frichtl Mark has 68 Form 4 transactions on record across 1 company — 64 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Pattern in the record: open-market sales filed in September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $10.8M
- Indirect $0
| OUST | direct | 318,987 sh | $10.8M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-14 | OUST | Sale | 18,778 @ $33.96 | $638K | −5.6% of holding | 318,987 | Form 4 |
| 2026-06-12 | OUST | Sale | 18,414 @ $38.82 | $715K | −6.2% of holding | 276,510 | Form 4 |
| 2026-05-26 | OUST | Sale | 76,582 @ $39.94 | $3.1M | −13.1% of holding | 507,415 | Form 4 |
| 2026-05-26 | OUST | Sale | 70,558 @ $40.90 | $2.9M | −13.9% of holding | 436,857 | Form 4 |
| 2026-05-26 | OUST | Sale | 48,191 @ $41.99 | $2.0M | −11.0% of holding | 388,666 | Form 4 |
| 2026-05-26 | OUST | Sale | 45,000 @ $44.00 | $2.0M | −13.1% of holding | 298,666 | Form 4 |
| 2026-05-26 | OUST | Sale | 45,000 @ $43.00 | $1.9M | −11.6% of holding | 343,666 | Form 4 |
| 2026-05-26 | OUST | Sale | 19,669 @ $39.16 | $770K | −3.3% of holding | 583,997 | Form 4 |
| 2026-05-26 | OUST | Sale | 3,742 @ $45.00 | $168K | −1.3% of holding | 294,924 | Form 4 |
| 2026-05-22 | OUST | Sale | 40,000 @ $37.16 | $1.5M | −6.2% of holding | 603,666 | Form 4 |
| 2026-05-22 | OUST | Sale | 35,684 @ $36.39 | $1.3M | −5.3% of holding | 643,666 | Form 4 |
| 2026-05-15 | OUST | Sale | 4,316 @ $36.00 | $155K | −0.7% of holding | 628,638 | Form 4 |
| 2026-05-14 | OUST | Sale | 40,000 @ $35.00 | $1.4M | −6.0% of holding | 628,638 | Form 4 |
| 2026-05-13 | OUST | Sale | 35,000 @ $32.00 | $1.1M | −4.9% of holding | 677,297 | Form 4 |
| 2026-05-13 | OUST | Sale | 32,500 @ $33.00 | $1.1M | −4.8% of holding | 642,297 | Form 4 |
| 2026-05-13 | OUST | Sale | 31,434 @ $31.09 | $977K | −4.2% of holding | 712,297 | Form 4 |
| 2026-05-13 | OUST | Sale | 21,341 @ $34.00 | $726K | −2.9% of holding | 712,297 | Form 4 |
| 2026-05-13 | OUST | Sale | 13,659 @ $34.00 | $464K | −2.1% of holding | 628,638 | Form 4 |
| 2026-05-13 | OUST | Sale | 2,500 @ $33.00 | $83K | −0.4% of holding | 674,797 | Form 4 |
| 2026-05-05 | OUST | Sale | 13,451 @ $30.00 | $404K | −1.9% of holding | 712,297 | Form 4 |
| 2026-05-04 | OUST | Sale | 21,149 @ $30.13 | $637K | −2.9% of holding | 712,297 | Form 4 |
| 2026-04-22 | OUST | Sale | 400 @ $30.00 | $12K | −0.1% of holding | 712,297 | Form 4 |
| 2026-04-21 | OUST | Sale | 30,000 @ $29.02 | $871K | −4.0% of holding | 712,297 | Form 4 |
| 2026-04-21 | OUST | Sale | 30,000 @ $28.11 | $843K | −3.9% of holding | 742,297 | Form 4 |
| 2026-04-20 | OUST | Sale | 30,000 @ $27.08 | $812K | −4.0% of holding | 712,297 | Form 4 |
| 2026-04-20 | OUST | Sale | 30,000 @ $26.08 | $783K | −3.9% of holding | 742,297 | Form 4 |
| 2026-04-17 | OUST | Sale | 30,000 @ $25.15 | $754K | −4.0% of holding | 712,297 | Form 4 |
| 2026-04-15 | OUST | Sale | 20,000 @ $24.00 | $480K | −2.7% of holding | 712,297 | Form 4 |
| 2026-04-14 | OUST | Sale | 40,000 @ $22.76 | $910K | −5.3% of holding | 712,297 | Form 4 |
| 2026-03-25 | OUST | Sale | 40,000 @ $20.94 | $838K | −5.9% of holding | 636,882 | Form 4 |
| 2026-03-12 | OUST | Sale | 15,689 @ $23.43 | $368K | −2.4% of holding | 636,882 | Form 4 |
| 2025-12-12 | OUST | Sale | 15,661 @ $24.98 | $391K | −2.3% of holding | 652,571 | Form 4 |
| 2025-09-12 | OUST | Sale | 25,329 @ $28.46 | $721K | −3.7% of holding | 665,403 | Form 4 |
| 2024-12-12 | OUST | Purchase | 4,545 @ $9.78 | $44K | +0.9% of holding | 512,621 | Form 4 |
| 2024-12-12 | OUST | Purchase | 500 @ $9.78 | $5K | +0.1% of holding | 513,121 | Form 4 |
33 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-02 | OUST | Gift | 38,745 | 337,765 | Form 4 |
| 2026-08-26 | OUST | Option exercise | 100,000 | 376,510 | Form 4 |
| 2026-08-26 | OUST | Option exercise | 100,000 | 100,713 | Form 4 |
| 2026-05-22 | OUST | Option exercise | 50,063 | 679,350 | Form 4 |
| 2026-05-22 | OUST | Option exercise | 50,063 | 0 | Form 4 |
| 2026-05-15 | OUST | Option exercise | 4,316 | 632,954 | Form 4 |
| 2026-05-15 | OUST | Option exercise | 4,316 | 50,063 | Form 4 |
| 2026-05-14 | OUST | Option exercise | 40,000 | 668,638 | Form 4 |
| 2026-05-14 | OUST | Option exercise | 40,000 | 54,379 | Form 4 |
| 2026-05-13 | OUST | Option exercise | 21,341 | 733,638 | Form 4 |
| 2026-05-13 | OUST | Option exercise | 31,434 | 743,731 | Form 4 |
| 2026-05-13 | OUST | Option exercise | 21,341 | 94,379 | Form 4 |
| 2026-05-13 | OUST | Option exercise | 31,434 | 0 | Form 4 |
| 2026-05-05 | OUST | Option exercise | 13,451 | 725,748 | Form 4 |
| 2026-05-05 | OUST | Option exercise | 13,451 | 31,434 | Form 4 |
| 2026-05-04 | OUST | Option exercise | 21,149 | 733,446 | Form 4 |
| 2026-05-04 | OUST | Option exercise | 21,149 | 44,885 | Form 4 |
| 2026-04-22 | OUST | Option exercise | 400 | 712,697 | Form 4 |
| 2026-04-22 | OUST | Option exercise | 400 | 66,034 | Form 4 |
| 2026-04-21 | OUST | Option exercise | 60,000 | 772,297 | Form 4 |
| 2026-04-21 | OUST | Option exercise | 60,000 | 66,434 | Form 4 |
| 2026-04-20 | OUST | Option exercise | 60,000 | 772,297 | Form 4 |
| 2026-04-20 | OUST | Option exercise | 60,000 | 126,434 | Form 4 |
| 2026-04-17 | OUST | Option exercise | 30,000 | 742,297 | Form 4 |
| 2026-04-17 | OUST | Option exercise | 30,000 | 186,434 | Form 4 |
| 2026-04-15 | OUST | Option exercise | 20,000 | 732,297 | Form 4 |
| 2026-04-15 | OUST | Option exercise | 20,000 | 216,434 | Form 4 |
| 2026-04-14 | OUST | Option exercise | 40,000 | 752,297 | Form 4 |
| 2026-04-14 | OUST | Option exercise | 40,000 | 236,434 | Form 4 |
| 2026-04-11 | OUST | Award / grant | 75,415 | 712,297 | Form 4 |
| 2026-03-25 | OUST | Option exercise | 40,000 | 676,882 | Form 4 |
| 2026-03-25 | OUST | Option exercise | 40,000 | 276,434 | Form 4 |
| 2025-04-01 | OUST | Award / grant | 175,000 | 688,121 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.