OUST
OUSTER (OUST)
NASDAQ
$45.18-$2.51 (-5.25%)
Price as of Jun 23, 2026 1:57 PM EDT
  • $3.0B
    Market Cap
  • 101.18%
    1-Year Change
  • Electronic Components
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK, INC.
8.31%
5.3M
+154,881 (+2.93%)
Mar 31, 2026
VANGUARD GROUP INC
7.41%
4.7M
-1,243 (-0.03%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
5.58%
3.6M
+478,265 (+13.47%)
Dec 31, 2024
BLACKROCK INC.
4.76%
3.0M
+2.4M (+78.10%)
Jun 30, 2024
N/A
4.18%
2.7M
+2.7M (+100.00%)
Mar 31, 2026
STATE STREET CORP
2.56%
1.6M
+51,927 (+3.18%)
Mar 31, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
2.39%
1.5M
+1.5M (+100.00%)
Sep 30, 2025

Current Ownership Distribution

  • Institutions555.9M (56.28%)
  • Mutual Funds413.0M (41.81%)
  • Insiders18.9M (1.91%)
  • Other0 (0.00%)

Insider Transactions

  • 1.91% (18.9M)
    Current InsiderOwnership (%, shares)
  • 1
    Number of InsiderBuying (last 12 months)
  • $4.6M
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $183.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Corrreia Christina
Award
Jun 17, 2026
$0.00
4,725
$0.00
76,415
MADDOCK ERNEST E
Award
Jun 17, 2026
$0.00
4,725
$0.00
88,902
Jacquemet Cyrille
Chief Revenue Officer
Sell
Jun 12, 2026
$338,653.03
8,723
$38.82
114,435
Frichtl Mark
Chief Technology Officer
Sell
Jun 12, 2026
$714,886.72
18,414
$38.82
276,510
Gianella Kenneth P.
Chief Financial Officer
Sell
Jun 12, 2026
$2.1M
54,337
$38.82
301,014
Pacala Charles Angus
President and CEO
Sell
Jun 12, 2026
$1.2M
29,797
$38.82
1.1M
Frichtl Mark
Chief Technology Officer
Exempt
Mar 25, 2026
$0.00
40,000
$0.00
276,434
Frichtl Mark
Chief Technology Officer
Exempt
Mar 25, 2026
$85,200.00
40,000
$2.13
676,882
Frichtl Mark
Chief Technology Officer
Sell
Mar 25, 2026
$837,576.00
40,000
$20.94
636,882
Tewksbury Ted L III
Sell
Mar 19, 2026
$33,900.00
1,695
$20.00
121,969
Pacala Charles Angus
President and CEO
Sell
Mar 12, 2026
$577,649.40
24,657
$23.43
960,660
Chung Megan
General Counsel and Secretary
Sell
Mar 12, 2026
$224,787.01
9,593
$23.43
173,548
BOULET VIRGINIA
Buy
Mar 06, 2026
$136,175.00
6,500
$20.95
228,342
Chung Megan
General Counsel and Secretary
Sell
Jan 16, 2026
$158,999.88
5,837
$27.24
183,141
Heystee Susan
Award
Jan 05, 2026
$32,909.60
1,327
$24.80
42,952
Tewksbury Ted L III
Sell
Dec 19, 2025
$36,391.65
1,695
$21.47
123,664
Chung Megan
General Counsel and Secretary
Sell
Dec 12, 2025
$267,165.76
10,696
$24.98
188,978
Pacala Charles Angus
President and CEO
Sell
Dec 12, 2025
$614,688.89
24,610
$24.98
985,317
Frichtl Mark
Chief Technology Officer
Sell
Dec 12, 2025
$391,207.08
15,661
$24.98
652,571
SPENCER DARIEN
Chief Operating Officer
Sell
Dec 12, 2025
$272,734.78
10,919
$24.98
336,188
Heystee Susan
Sell
Dec 12, 2025
$291,590.18
11,650
$25.03
41,625
Tewksbury Ted L III
Sell
Nov 11, 2025
$43,019.10
1,695
$25.38
125,359
Heystee Susan
Award
Oct 06, 2025
$32,754.30
1,010
$32.43
53,275
Chung Megan
General Counsel and Secretary
Sell
Sep 12, 2025
$488,995.53
17,183
$28.46
203,036
SPENCER DARIEN
Chief Operating Officer
Sell
Sep 12, 2025
$520,043.32
18,274
$28.46
346,132
Heystee Susan
Sell
Aug 13, 2025
$1.2M
40,390
$30.00
52,265
SPENCER DARIEN
Chief Operating Officer
Sell
Dec 16, 2024
$2,251.84
248
$9.08
291,470
Pacala Charles Angus
President and CEO
Buy
Dec 12, 2024
$446,367.37
45,454
$9.82
764,457
SPENCER DARIEN
Chief Operating Officer
Sell
Dec 12, 2024
$144,089.53
14,869
$9.69
291,718
Pacala Charles Angus
President and CEO
Buy
Dec 12, 2024
$52,603.65
5,500
$9.56
769,957