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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
2026-07-02 Narayanan Arun Chief Executive Officer Sale −1,996 $7.85 $16K 19,109
2026-07-02 Tappin Matthew President, Software Products Sale −996 $7.85 $8K 9,577
2026-07-02 Carlson Michael James President, Managed Services Sale −1,347 $7.85 $11K 25,861
2026-07-02 Laureles Saul R. Chief Legal Officer Sale −675 $7.85 $5K 34,525
2026-06-30 Narayanan Arun Chief Executive Officer Option exercise +8,125 $7.81 $63K 21,105
2026-06-30 Narayanan Arun Chief Executive Officer Option exercise · Performance Stock Unit −8,125 8,125
2026-06-30 Tappin Matthew President, Software Products Option exercise +5,000 $7.81 $39K 7,823
2026-06-30 Tappin Matthew President, Software Products Option exercise +2,750 $7.81 $21K 10,573
2026-06-30 Tappin Matthew President, Software Products Option exercise · Performance Stock Unit −2,750 2,750
2026-06-30 Tappin Matthew President, Software Products Option exercise · Performance Stock Unit −5,000 5,000
2026-06-30 Carlson Michael James President, Managed Services Option exercise +5,000 $7.81 $39K 24,458
2026-06-30 Carlson Michael James President, Managed Services Option exercise +2,750 $7.81 $21K 27,208
2026-06-30 Carlson Michael James President, Managed Services Option exercise · Performance Stock Unit −2,750 2,750
2026-06-30 Carlson Michael James President, Managed Services Option exercise · Performance Stock Unit −5,000 5,000
2026-06-30 Laureles Saul R. Chief Legal Officer Option exercise +5,000 $7.81 $39K 32,450
2026-06-30 Laureles Saul R. Chief Legal Officer Option exercise +2,750 $7.81 $21K 35,200
2026-06-30 Laureles Saul R. Chief Legal Officer Option exercise · Performance Stock Unit −2,750 2,750
2026-06-30 Laureles Saul R. Chief Legal Officer Option exercise · Performance Stock Unit −5,000 5,000
2026-06-03 Daley Adam Director Grant or award · Restricted Stock Unit +12,168 12,168
2026-06-03 TYSON LAURA D Director Grant or award · Restricted Stock Unit +12,168 12,168

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