STEM
STEM, INC.
Services-Computer Integrated Systems DesignNYSEAccelerated filer<br>Smaller reporting company
Total Trades
132
Buys
3
Sells
89
Largest Trade
N/A
Insiders
18
Institutional Funds
62
Inst. Value
$1M+
Activist Filings
11
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Carlson Michael James | COO | SELL | $15K–$50K | 10K | $3.17 | Feb 20, 2024 |
| Carlson Michael James | COO | EXERCISE | N/A | 26K | — | Feb 20, 2024 |
| Tappin Matthew | President | SELL | $1K–$15K | 5K | $3.15 | Feb 16, 2024 |
| Laureles Saul R. | Chief Legal Officer | SELL | $15K–$50K | 10K | $3.23 | Jan 31, 2024 |
| Laureles Saul R. | Chief Legal Officer | EXERCISE | N/A | 34K | — | Jan 31, 2024 |
| Shukla Rahul | Chief Accounting O… | EXERCISE | N/A | 8K | — | Jan 19, 2024 |
| Shukla Rahul | Chief Accounting O… | SELL | $1K–$15K | 3K | $2.73 | Jan 19, 2024 |
| Tappin Matthew | President | SELL | $15K–$50K | 5K | $3.56 | Jan 3, 2024 |
| Tappin Matthew | President | EXERCISE | N/A | 14K | — | Jan 3, 2024 |
| Carlson Michael James | COO | SELL | $1K–$15K | 2K | $4.18 | Sep 28, 2023 |
| Carlson Michael James | COO | EXERCISE | N/A | 6K | — | Sep 28, 2023 |
| BUZBY DAVID S | Director | BUY | $100K–$500K | 62K | $4.82 | Sep 18, 2023 |
| Russo Alan | Chief Revenue Offi… | SELL | $50K–$100K | 13K | $6.50 | Aug 14, 2023 |
| TROE LISA L | Director | EXERCISE | N/A | 20K | — | Jun 20, 2023 |
| TROE LISA L | Director | SELL | $15K–$50K | 6K | $6.40 | Jun 20, 2023 |
| Carrington John Eugene | CEO and Director | SELL | $1K–$15K | 4K | $4.12 | May 5, 2023 |
| Carrington John Eugene | CEO and Director | EXERCISE | N/A | 10K | — | May 5, 2023 |
| BUSH WILLIAM JOHN | CFO | EXERCISE | N/A | 4K | — | May 5, 2023 |
| BUSH WILLIAM JOHN | CFO | SELL | $1K–$15K | 1K | $4.12 | May 5, 2023 |
| Laureles Saul R. | Chief Legal Officer | SELL | $1K–$15K | 887 | $4.12 | May 5, 2023 |
| Laureles Saul R. | Chief Legal Officer | EXERCISE | N/A | 3K | — | May 5, 2023 |
| Patel Prakesh | Chief Strategy Off… | EXERCISE | N/A | 3K | — | May 3, 2023 |
| Patel Prakesh | Chief Strategy Off… | SELL | $1K–$15K | 1K | $4.12 | May 3, 2023 |
| Johnson larsh | CTO | SELL | $1K–$15K | 1K | $4.12 | May 3, 2023 |
| Johnson larsh | CTO | EXERCISE | N/A | 3K | — | May 3, 2023 |
| Russo Alan | Chief Revenue Offi… | SELL | $1K–$15K | 2K | $4.12 | May 3, 2023 |
| Russo Alan | Chief Revenue Offi… | EXERCISE | N/A | 4K | — | May 3, 2023 |
| Carrington John Eugene | CEO and Director | SELL | $50K–$100K | 13K | $6.33 | Mar 21, 2023 |
| Schaefer Robert | President | SELL | $50K–$100K | 11K | $6.85 | Mar 17, 2023 |
| Homenock Kim | Chief People Officer | SELL | $100K–$500K | 27K | $6.72 | Mar 16, 2023 |
| Homenock Kim | Chief People Officer | EXERCISE | N/A | 70K | — | Mar 16, 2023 |
| Schaefer Robert | President | SELL | $15K–$50K | 5K | $8.58 | Mar 13, 2023 |
| Johnson larsh | CTO | SELL | $50K–$100K | 7K | $8.10 | Mar 3, 2023 |
| Johnson larsh | CTO | EXERCISE | N/A | 17K | — | Mar 3, 2023 |
| Laureles Saul R. | Chief Legal Officer | EXERCISE | N/A | 18K | — | Mar 3, 2023 |
| Laureles Saul R. | Chief Legal Officer | SELL | $15K–$50K | 5K | $8.10 | Mar 3, 2023 |
| Patel Prakesh | Chief Strategy Off… | SELL | $50K–$100K | 7K | $8.10 | Mar 3, 2023 |
| Patel Prakesh | Chief Strategy Off… | EXERCISE | N/A | 17K | — | Mar 3, 2023 |
| Russo Alan | Chief Revenue Offi… | SELL | $15K–$50K | 6K | $8.10 | Mar 3, 2023 |
| Russo Alan | Chief Revenue Offi… | EXERCISE | N/A | 17K | — | Mar 3, 2023 |
| BUSH WILLIAM JOHN | CFO | EXERCISE | N/A | 23K | — | Mar 3, 2023 |
| BUSH WILLIAM JOHN | CFO | SELL | $50K–$100K | 9K | $8.10 | Mar 3, 2023 |
| Shukla Rahul | Chief Accounting O… | SELL | $15K–$50K | 4K | $8.23 | Feb 28, 2023 |
| Shukla Rahul | Chief Accounting O… | EXERCISE | N/A | 8K | — | Feb 28, 2023 |
| Daley Adam | Director | SELL | $1M+ | 150K | $13.60 | Nov 21, 2022 |
| Carrington John Eugene | CEO and Director | SELL | $500K+ | 57K | $13.71 | Nov 18, 2022 |
| Johnson larsh | CTO | SELL | $100K–$500K | 25K | $13.94 | Nov 17, 2022 |
| BUSH WILLIAM JOHN | CFO | SELL | $100K–$500K | 30K | $14.67 | Nov 17, 2022 |
| Carrington John Eugene | CEO and Director | SELL | $500K+ | 57K | $13.62 | Oct 7, 2022 |
| Homenock Kim | Chief People Officer | SELL | $100K–$500K | 27K | $17.05 | Sep 16, 2022 |
🔓Seeing ranges? Sign in for exact trade values — free forever
Institutional Ownership
13F filings as of Dec 31, 2025 · 62 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| GSA CAPITAL PARTNERS LLP | 79K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 71K | $1M+ | SH |
| VANGUARD GROUP INC | 50K | $500K+ | SH |
| STATE STREET CORP | 38K | $500K+ | SH |
| GOLDMAN SACHS GROUP INC | 36K | $500K+ | SH |
| CITIGROUP INC | 34K | $500K+ | SH |
| DnB Asset Management AS | 32K | $100K–$500K | SH |
| COHEN & STEERS, INC. | 32K | $100K–$500K | SH |
| WOLVERINE ASSET MANAGEMENT LLC | 29K | $100K–$500K | SH (Put) |
| Keyframe Capital Partners, L.P. | 26K | $100K–$500K | SH |
| HSBC HOLDINGS PLC | 24K | $100K–$500K | SH |
| Walleye Capital LLC | 24K | $100K–$500K | SH |
| JANE STREET GROUP, LLC | 20K | $100K–$500K | SH (Call) |
| BNP PARIBAS FINANCIAL MARKETS | 19K | $100K–$500K | SH |
| PEAK6 LLC | 19K | $100K–$500K | SH (Call) |
| HighTower Advisors, LLC | 16K | $100K–$500K | SH |
| MARSHALL WACE, LLP | 16K | $100K–$500K | SH |
| Skaana Management L.P. | 15K | $100K–$500K | SH (Call) |
| OMERS ADMINISTRATION Corp | 13K | $100K–$500K | SH |
| NOMURA HOLDINGS INC | 12K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jul 29, 2025
4.6%
387K shares
SC 13G/A · Jul 18, 2025
2.1%
178K shares
SC 13G/A · Nov 12, 2024
5.3%
8.7M shares
SC 13G/A · Nov 4, 2024
5.3%
8.7M shares
SC 13G/A · Nov 4, 2024
5.3%
8.7M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
7.1%
11.1M shares
Schroder Investment Management Limited
SC 13G · Feb 13, 2024
6.8%
10.6M shares
SC 13G/A · Jan 26, 2024
7.3%
11.4M shares
SC 13G · Feb 3, 2023
6.2%
9.6M shares
Park West Asset Management LLC
SC 13G/A · Feb 14, 2022
0.0%
0 shares
SC 13G/A · Feb 14, 2022
0.0%
134K shares