Mark Frichtl

OUST

Mark Frichtl serves as officer: Chief Technology Officer at Ouster, Inc. (OUST). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

3 trades

$298.1K

Total Sells

12 trades

$27.59M

Net Position

Net Seller

$27.29M

Companies Traded

OUST, OUSTZ

Active Period

May 2023 – May 2026

15 total trades

Most Recent

Sell OUST

May 27, 2026 · $13.67M

Mark Frichtl's Insider Trading at Ouster, Inc. (OUST)

Buys

0 · $0.00

Sells

11 · $26.87M

Total Shares Bought

Total Shares Sold

801,855

OUST Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 27, 2026	Sell	339,426	$40.28	$13.67M	643,666
May 15, 2026	Sell	180,750	$33.18	$6.00M	712,297
May 6, 2026	Sell	34,600	$30.08	$1.04M	712,297
Apr 23, 2026	Sell	400	$30.00	$12.0K	712,297
Apr 21, 2026	Sell	60,000	$28.05	$1.68M	712,297
Apr 17, 2026	Sell	30,000	$25.15	$754.4K	712,297
Apr 15, 2026	Sell	60,000	$23.17	$1.39M	712,297
Mar 27, 2026	Sell	40,000	$20.94	$837.6K	636,882
Mar 16, 2026	Sell	15,689	$23.43	$367.6K	636,882
Dec 12, 2025	Sell	15,661	$24.98	$391.2K	0
Sep 12, 2025	Sell	25,329	$28.46	$720.8K	0

Mark Frichtl's Insider Trading at Ouster, Inc. Warrants (OUSTZ)

Buys

3 · $298.1K

Sells

1 · $720.8K

Total Shares Bought

38,745

Total Shares Sold

25,329

OUSTZ Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 16, 2025	Sell	25,329	$28.46	$720.8K	665,403
Dec 16, 2024	Buy	5,045	$9.78	$49.3K	513,121
May 16, 2024	Buy	8,000	$12.34	$98.7K	505,076
May 18, 2023	Buy	25,700	$5.84	$150.1K	3,749,512