Star Peak Energy Transition Corp

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Star Peak Energy Transition Corp
TickerSTEMXXXX
CIK #0001758766
CUSIP85859N102
SectorReal Estate & Construction - Blank Checks
Addressc/o Magnetar Capital LLC 1603 Orrington Avenue, 13th Floor, Evanston, IL 60201
Source [EDGAR]
CIK Filing 2011 - 2026
[0001758766] 10-K
[0001758766] 10-Q
[0001758766] 3
[0001758766] 4
[0001758766] 8-K
[0001758766] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Schroder Investment Management North America INC/ de Stem Inc [2024-11-14] 0.0
Schroder Investment Management North America INC/ de Stem Inc [2024-02-13] 6.8
BlackRock Inc Stem Inc [2023-02-03] 6.2
Vanguard Group Inc Stem Inc [2022-02-10] 8.37
BlackRock Inc Stem Inc [2022-02-08] 4.99
RWE Supply & Trading GmbH Stem Inc [2021-05-07] 4.7
Star Peak Sponsor LLC Star Peak Energy Transition Corp [2021-02-16] 19.8
van Eck Associates Corp Star Peak Energy Transition Corp [2021-02-11] 5.94
Fifth Street Station LLC Star Peak Energy Transition Corp [2021-02-11] 6.2
Park West Asset Management LLC Star Peak Energy Transition Corp [2021-01-11] 5.2
William Blair Investment Management LLC Star Peak Energy Transition Corp [2021-01-08] 14.3
Adage Capital Partners GP LLC Star Peak Energy Transition Corp [2020-08-28] 8.21
Form 3/4/5 Filer 2011 - 2026
Star Peak Energy Transition Corp
Narayanan Arun
Laureles Saul R
Carlson Michael James
Tappin Matthew
Shivram Krishna
Buzby David S
Birns Ira M
Guruswamy Vasudevan
Tammineedi Anil
Tyson Laura D
Daley Adam
Musfeldt Brian
Cabot Jeffrey T
Shukla Rahul
Homenock Kim
Albert Hofeldt
Hole Spencer Doran
Cunningham Gerard
Morgan Michael C
Woodward Jane
Patel Prakesh
Russo Alan
Bush William John
Carrington John Eugene
Schaefer Robert
Johnson larsh
TROE Lisa L
Triplett Mark William
Rogers Desiree G
Scheyer Eric J
Shaper C Park
Star Peak Sponsor LLC
Litowitz Alec N
Wilds Michael D
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-11 Sell 402 $10.83 4,354
Carlson Michael James
Common Stock, Par Value $0.0001 Per Share
2026-03-10 Sell 2,079 $11.12 23,118
Laureles Saul R
Common Stock, Par Value $0.0001 Per Share
2026-03-10 Sell 942 $11.12 10,475
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-10 Sell 655 $11.12 7,284
Narayanan Arun
Common Stock, Par Value $0.0001 Per Share
2026-03-10 Sell 5,145 $11.12 57,212
Narayanan Arun
Restricted Stock Unit · derivative
2026-03-07 Option exercise 12,500 $0.00
Laureles Saul R
Common Stock, Par Value $0.0001 Per Share
2026-03-07 Option exercise 2,916
Carlson Michael James
Common Stock, Par Value $0.0001 Per Share
2026-03-07 Option exercise 3,541
Narayanan Arun
Restricted Stock Unit · derivative
2026-03-07 Option exercise 5,625 $0.00
Laureles Saul R
Restricted Stock Unit · derivative
2026-03-07 Option exercise 2,916 $0.00
Tappin Matthew
Restricted Stock Unit · derivative
2026-03-07 Option exercise 1,458 $0.00
Narayanan Arun
Common Stock, Par Value $0.0001 Per Share
2026-03-07 Option exercise 12,500
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-07 Option exercise 1,458
Carlson Michael James
Restricted Stock Unit · derivative
2026-03-07 Option exercise 3,541 $0.00
Narayanan Arun
Common Stock, Par Value $0.0001 Per Share
2026-03-07 Option exercise 5,625
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-04 Sell 185 $10.00 1,850
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-03 Sell 300 $9.67 2,901
Laureles Saul R
Common Stock, Par Value $0.0001 Per Share
2026-03-03 Sell 292 $9.67 2,824
Tappin Matthew
Restricted Stock Unit · derivative
2026-03-01 Option exercise 670 $0.00
Tappin Matthew
Common Stock, Par Value $0.0001 Per Share
2026-03-01 Option exercise 670
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2025-09-30 1 228,839
2025-06-30 3 26,116
2025-03-31 157 47,021,661
2024-12-31 147 53,036,756
2024-09-30 155 58,441,237
2024-06-30 191 81,729,256
2024-03-31 218 101,923,404
2023-12-31 233 97,368,364
2023-09-30 235 108,620,260
2023-06-30 233 107,884,088
2023-03-31 236 101,588,229
2022-12-31 241 93,370,209
Form 13F Holdings
Firm Period DFND Voting Shares
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