Dudediligence.

Ouster, Inc

OUSTNASDAQ · General Industrial Machinery & Equipment, NEC
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$40.3M

45 notices · 1,274,067 sh

Oct 2025 to Oct 2026

Reported ·

$40.8M

56 sales · 3 buys · $178,006 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

53 of 56 reported sales carry the 10b5-1 box. Together they are 1.68% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-11: Jacquemet Cyrille, Form 1442026-09-11: Chung Megan, Form 1442026-09-11: Pacala Charles Angus, Form 1442026-09-11: Frichtl Mark, Form 1442026-09-11: Gianella Kenneth P., Form 1442026-09-11: SPENCER DARIEN, Form 1442026-08-18: KENNETH GIANELLA, Form 1442026-08-06: STEPHEN SKAGGS, Form 1442026-08-05: STEPHEN SKAGGS, Form 1442026-08-04: DARIEN R SPENCER, Form 1442026-06-22: THEODORE TEWKSBURY III, Form 1442026-05-26: MARK FRICHTL, Form 1442026-05-26: DARIEN R SPENCER, Form 1442026-05-26: CYRILLE JACQUEMET, Form 1442026-05-22: MARK FRICHTL, Form 1442026-05-21: SUSAN HEYSTEE, Form 1442026-05-14: CYRILLE JACQUEMET, Form 1442026-05-15: MARK FRICHTL, Form 1442026-05-14: MARK FRICHTL, Form 1442026-05-13: MARK FRICHTL, Form 1442026-05-05: STEPHEN SKAGGS, Form 1442026-05-04: MARK FRICHTL, Form 1442026-04-22: MARK FRICHTL, Form 1442026-04-21: MARK FRICHTL, Form 1442026-04-21: STEPHEN SKAGGS, Form 1442026-04-20: MARK FRICHTL, Form 1442026-04-17: MARK FRICHTL, Form 1442026-04-16: MEGAN CHUNG, Form 1442026-04-15: MARK FRICHTL, Form 1442026-04-14: MARK FRICHTL, Form 1442026-03-25: MARK FRICHTL, Form 1442026-03-19: THEODORE TEWKSBURY PH D, Form 1442026-03-12: Mark Frichtl, Form 1442026-03-12: Charles Angus Pacala, Form 1442026-03-12: Megan Chung, Form 1442026-03-12: Darien Spencer, Form 1442026-01-16: MEGAN CHUNG, Form 1442025-12-19: THEODORE TEWKSBURY PH D, Form 1442025-12-12: SUSAN HEYSTEE, Form 1442025-12-12: Darien Spencer, Form 1442025-12-12: Charles Angus Pacala, Form 1442025-12-12: Mark Frichtl, Form 1442025-12-12: Megan Chung, Form 1442025-11-11: THEODORE TEWKSBURY, Form 1442025-10-17: MEGAN CHUNG, Form 1442025-10-17: Chung Megan, sold2025-11-11: Tewksbury Ted L III, sold2025-12-12: Chung Megan, sold2025-12-12: Pacala Charles Angus, sold2025-12-12: SPENCER DARIEN, sold2025-12-12: Frichtl Mark, sold2025-12-12: Heystee Susan, sold2025-12-19: Tewksbury Ted L III, sold2026-01-16: Chung Megan, sold2026-03-06: Boulet Virginia, bought2026-03-12: Pacala Charles Angus, sold2026-03-12: Chung Megan, sold2026-03-12: Frichtl Mark, sold2026-03-12: SPENCER DARIEN, sold2026-03-19: Tewksbury Ted L III, sold2026-03-25: Frichtl Mark, sold2026-04-14: Frichtl Mark, sold2026-04-16: Chung Megan, sold2026-04-17: Frichtl Mark, sold2026-04-20: Frichtl Mark, sold2026-04-21: SKAGGS STEPHEN A, sold2026-04-22: Frichtl Mark, sold2026-05-04: Frichtl Mark, sold2026-05-05: SKAGGS STEPHEN A, sold2026-05-11: Boulet Virginia, bought2026-05-13: Frichtl Mark, sold2026-05-14: Jacquemet Cyrille, sold2026-05-21: Heystee Susan, sold2026-05-22: Frichtl Mark, sold2026-05-26: SPENCER DARIEN, sold2026-05-26: Jacquemet Cyrille, sold2026-06-12: Frichtl Mark, sold2026-06-12: Chung Megan, sold2026-06-12: SPENCER DARIEN, sold2026-06-12: Jacquemet Cyrille, sold2026-06-12: Pacala Charles Angus, sold2026-06-12: Gianella Kenneth P., sold2026-06-22: Tewksbury Ted L III, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-09-11Jacquemet Cyrille, Chief Revenue Officer$361,479
9,642 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-11Chung Megan, General Counsel and Secretary$466,638
12,447 shplan 2025-08-20Form 4s on file end Jun 23144 ↗
2026-09-11Pacala Charles Angus, President and CEO$1,234,696
32,934 shplan 2025-06-09Form 4s on file end Jun 23144 ↗
2026-09-11Frichtl Mark, Chief Technology Officer$763,034
20,353 shplan 2025-06-09Form 4s on file end Jun 23144 ↗
2026-09-11Gianella Kenneth P., Chief Financial Officer$637,405
17,002 shplan 2025-08-20Form 4s on file end Jun 23144 ↗
2026-09-11SPENCER DARIEN, Chief Operating Officer$520,436
13,882 shplan 2025-08-19Form 4s on file end Jun 23144 ↗
2026-08-18KENNETH GIANELLA, Chief Financial Officer$1,813,279
40,000 shplan 2026-05-19Form 4s on file end Jun 23144 ↗
2026-08-06STEPHEN SKAGGS, Director$163,281
3,614 shplan 2025-09-08Form 4s on file end Jun 23144 ↗
2026-08-05STEPHEN SKAGGS, Director$64,421
1,386 shplan 2025-09-08Form 4s on file end Jun 23144 ↗
2026-08-04DARIEN R SPENCER, Chief Operating Officer$1,350,000
30,000 shplan 2025-11-18Form 4s on file end Jun 23144 ↗
2026-06-22THEODORE TEWKSBURY III, Director$79,665
1,695 shplan 2025-08-12144 ↗
Form 4, 2026-06-22: sold 1,695 at $47.00 Form 4 ↗
2026-05-26MARK FRICHTL, Chief Technology Officer$9,951,516
268,742 shplan 2025-12-15144 ↗
Form 4, 2026-06-16: sold 18,414 at $38.82 Form 4 ↗
2026-05-26DARIEN R SPENCER, Chief Operating Officer$1,350,045
30,001 shplan 2025-11-18144 ↗
Form 4, 2026-05-27: sold 30,001 at $45.00 Form 4 ↗
2026-05-26CYRILLE JACQUEMET, Chief Revenue Officer$377,320
9,433 shplan 2025-06-13144 ↗
Form 4, 2026-05-27: sold 9,433 at $40.00 Form 4 ↗
2026-05-22MARK FRICHTL, Chief Technology Officer$4,059,352
115,684 shplan 2025-12-15144 ↗
Form 4, 2026-05-27: sold 384,426 at $40.60 Form 4 ↗
2026-05-21SUSAN HEYSTEE, Director$324,243
9,316 shno plan date144 ↗
Form 4, 2026-05-22: sold 9,316 at $34.81 Form 4 ↗
2026-05-15MARK FRICHTL, Chief Technology Officer$150,456
4,316 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-05-14CYRILLE JACQUEMET, Chief Revenue Officer$350,000
10,000 shplan 2025-06-13144 ↗
Form 4, 2026-05-21: sold 10,000 at $35.00 Form 4 ↗
2026-05-14MARK FRICHTL, Chief Technology Officer$1,366,800
40,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-05-13MARK FRICHTL, Chief Technology Officer$3,697,361
136,434 shplan 2025-12-15144 ↗
Form 4, 2026-05-15: sold 180,750 at $33.18 Form 4 ↗
2026-05-05STEPHEN SKAGGS, Director$150,000
5,000 shplan 2025-09-08144 ↗
Form 4, 2026-05-07: sold 5,000 at $30.00 Form 4 ↗
2026-05-04MARK FRICHTL, Chief Technology Officer$915,170
34,600 shplan 2025-12-15144 ↗
Form 4, 2026-05-06: sold 34,600 at $30.08 Form 4 ↗
2026-04-22MARK FRICHTL, Chief Technology Officer$11,044
400 shplan 2025-12-15144 ↗
Form 4, 2026-04-23: sold 400 at $30.00 Form 4 ↗
2026-04-21MARK FRICHTL, Chief Technology Officer$1,628,400
60,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-04-21STEPHEN SKAGGS, Director$140,000
5,000 shplan 2025-09-08144 ↗
Form 4, 2026-04-22: sold 5,000 at $28.00 Form 4 ↗
2026-04-20MARK FRICHTL, Chief Technology Officer$1,455,600
60,000 shplan 2025-12-15144 ↗
Form 4, 2026-04-21: sold 120,000 at $27.57 Form 4 ↗
2026-04-17MARK FRICHTL, Chief Technology Officer$725,100
30,000 shplan 2025-12-15144 ↗
Form 4, 2026-04-17: sold 30,000 at $25.15 Form 4 ↗
2026-04-16MEGAN CHUNG, General Counsel and Secretary$144,174
5,837 shplan 2025-06-04144 ↗
Form 4, 2026-04-17: sold 5,837 at $24.70 Form 4 ↗
2026-04-15MARK FRICHTL, Chief Technology Officer$468,400
20,000 shplan 2025-12-15Form 4s on file end Jun 23144 ↗
2026-04-14MARK FRICHTL, Chief Technology Officer$875,200
40,000 shplan 2025-12-15144 ↗
Form 4, 2026-04-15: sold 60,000 at $23.17 Form 4 ↗
2026-03-25MARK FRICHTL, Chief Technology Officer$822,800
40,000 shplan 2025-12-15144 ↗
Form 4, 2026-03-27: sold 40,000 at $20.94 Form 4 ↗
2026-03-19THEODORE TEWKSBURY PH D, Director$33,900
1,695 shplan 2025-08-12144 ↗
Form 4, 2026-03-23: sold 1,695 at $20.00 Form 4 ↗
2026-03-12Mark Frichtl, Chief Technology Officer$368,297
17,922 shplan 2025-06-09144 ↗
Form 4, 2026-03-16: sold 15,689 at $23.43 Form 4 ↗
2026-03-12Charles Angus Pacala, President and CEO$578,729
28,162 shplan 2025-06-09144 ↗
Form 4, 2026-03-16: sold 24,657 at $23.43 Form 4 ↗
2026-03-12Megan Chung, General Counsel and Secretary$225,187
10,958 shplan 2025-08-20144 ↗
Form 4, 2026-03-16: sold 9,593 at $23.43 Form 4 ↗
2026-03-12Darien Spencer, Chief Operating Officer$256,772
12,495 shplan 2025-08-19144 ↗
Form 4, 2026-03-16: sold 10,938 at $23.43 Form 4 ↗
2026-01-16MEGAN CHUNG, General Counsel and Secretary$159,000
5,837 shplan 2025-06-04144 ↗
Form 4, 2026-01-21: sold 5,837 at $27.24 Form 4 ↗
2025-12-19THEODORE TEWKSBURY PH D, Director$36,392
1,695 shplan 2025-08-12144 ↗
Form 4, 2025-12-23: sold 1,695 at $21.47 Form 4 ↗
2025-12-12SUSAN HEYSTEE, Director$291,590
11,650 shno plan date144 ↗
Form 4, 2025-12-16: sold 11,650 at $25.03 Form 4 ↗
2025-12-12Darien Spencer, Chief Operating Officer$307,855
12,068 shplan 2025-11-18144 ↗
Form 4, 2025-12-16: sold 10,919 at $24.98 Form 4 ↗
2025-12-12Charles Angus Pacala, President and CEO$693,923
27,202 shplan 2025-06-09144 ↗
Form 4, 2025-12-16: sold 24,610 at $24.98 Form 4 ↗
2025-12-12Mark Frichtl, Chief Technology Officer$441,604
17,311 shplan 2025-06-09144 ↗
Form 4, 2025-12-16: sold 15,661 at $24.98 Form 4 ↗
2025-12-12Megan Chung, General Counsel and Secretary$301,554
11,821 shplan 2025-08-20144 ↗
Form 4, 2025-12-16: sold 10,696 at $24.98 Form 4 ↗
2025-11-11THEODORE TEWKSBURY, Director$43,019
1,695 shplan 2025-08-12144 ↗
Form 4, 2025-11-12: sold 1,695 at $25.38 Form 4 ↗
2025-10-17MEGAN CHUNG, General Counsel and Secretary$181,094
5,838 shplan 2025-06-04144 ↗
Form 4, 2025-10-20: sold 5,837 at $31.02 Form 4 ↗