// company-profile

Ouster, Inc.

OUST
ExchangeNasdaqSectorGeneral Industrial Machinery & Equipment, NECInc.DEFilings168Insiders20
// api This Ouster, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 6 insiders purchased shares versus 1 sale. Buying was led by SKAGGS STEPHEN A.

// 90-day insight

Over the last 90 days, Ouster, Inc. insiders bought $1.8M (20 transactions) and sold $663K (2 transactions).

  • Most active insider: Frichtl Mark with 31 transactions totaling $24.5M.
  • Largest single sale: $3.1M by Frichtl Mark on May 26, 2026.
  • 93% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Ouster, Inc. as of 2026-03-31

— stable
Total reported AUM
$555.7M
QoQ change
-3.7%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$48.9M
2.7M shares
#2
BlackRock, Inc.
CIK 2012383
$42.7M
2.3M shares
#3
BlackRock, Inc.
CIK 2012383
$35.5M
1.9M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 22, 2026Tewksbury Ted L IIIOUST
Sale10b5
1,695$47.00$80K
Jun 17, 2026SKAGGS STEPHEN AOUST
Award
4,725$0.00$0K
Jun 17, 2026Tewksbury Ted L IIIOUST
Award
4,725$0.00$0K
Jun 17, 2026MADDOCK ERNEST EOUST
Award
4,725$0.00$0K
Jun 17, 2026Eyler PhillipOUST
Award
4,725$0.00$0K

45 more transactions hidden

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