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CIK 0001758766 · Non-accelerated filer<br>Smaller reporting company

Ticker
STEM
Exchange
NYSE
Industry
Services-Computer Integrated Systems Design
FY end
Dec 31
Entity type
operating
EIN
264466193
Phone
877-374-7836
Business address
1400 POST OAK BOULEVARD, SUITE 560, HOUSTON, TX, 77056
Former names
Star Peak Energy Transition Corp., Star Peak Energy Acquisition Corp.
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$682
in 1 filing

Net −$682. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Carlson Michael James −$682 President, Managed Services sold <1% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-02-20 Albert Hofeldt Chief Technology Officer Sale −13,294 $0.63 $8K 185,863
2025-02-20 Carlson Michael James Chief Operating Officer Option exercise +26,053 161,045
2025-02-20 Carlson Michael James Chief Operating Officer Option exercise · Restricted Stock Unit −26,053 526,520
2025-02-20 Laureles Saul R. Chief Legal Officer Option exercise +34,737 185,727
2025-02-20 Laureles Saul R. Chief Legal Officer Option exercise · Restricted Stock Unit −34,737 525,417
2025-02-20 Tappin Matthew President, Software Division Sale −8,130 $0.63 $5K 32,821
2025-02-19 Albert Hofeldt Chief Technology Officer Option exercise +47,138 199,157
2025-02-19 Albert Hofeldt Chief Technology Officer Option exercise · Restricted Stock Unit −47,138 476,369
2025-02-19 Tappin Matthew President, Software Division Option exercise +24,316 40,951
2025-02-19 Tappin Matthew President, Software Division Option exercise · Restricted Stock Unit −24,316 442,123
2025-02-19 Homenock Kim Chief People Officer Option exercise +22,579 184,568
2025-02-19 Homenock Kim Chief People Officer Option exercise · Restricted Stock Unit −22,579 431,642
2025-01-27 Narayanan Arun Chief Executive Officer Grant or award · Performance Stock Unit +16,250 16,250
2025-01-27 Narayanan Arun CEO Grant or award · Restricted Stock Unit +225,000 225,000
2025-01-27 Narayanan Arun CEO Grant or award · Restricted Stock Unit +750,000 750,000
2025-01-23 Shukla Rahul Chief Accounting Officer Sale −3,534 $0.65 $2K 4,466
2025-01-22 Shukla Rahul Chief Accounting Officer Option exercise +8,000 8,000
2025-01-22 Shukla Rahul Chief Accounting Officer Option exercise · Restricted Stock Unit −8,000 213,508
2025-01-14 BUZBY DAVID S See Remarks Grant or award · Stock Option (Right to Buy) +66,667 66,667
2024-11-01 Carlson Michael James Chief Operating Officer Grant or award · Restricted Stock Unit +100,000 552,573

Page 10 of 12 · 222 trades