STEM Insider Trading
STEM, INC. | Services-Computer Integrated Systems Design
Comprehensive Trading Performance Summary
The investment history of corporate insiders at STEM, INC. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Services-Computer Integrated Systems Design sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2026-02-24 01:50 | 2026-02-20 | Tappin Matthew | Officer - President, Software Products | SELL | $11.40 | 366 | $4,172 | 2,237 | -14.1% |
| 2025-11-24 17:21 | 2025-11-11 | Tappin Matthew | Officer - President, Software Products | SELL | $17.70 | 9,584 | $169,637 | 1,872 | -83.7% |
| 2025-11-20 01:31 | 2025-11-18 | Shukla Rahul | Officer - Chief Accounting Officer | SELL | $16.21 | 3,674 | $59,556 | 0 | -100.0% |
| 2025-06-19 02:14 | 2025-05-30 | Tappin Matthew | Officer - President, Software Division | OPT+S | $0.45 | 21,987 | $9,896 | 37,458 | 0.0% |
| 2025-05-07 04:27 | 2025-01-23 | Shukla Rahul | Officer - Chief Accounting Officer | OPT+S | $0.52 | 44,618 | $23,237 | 0 | 0.0% |
| 2025-05-06 03:32 | 2025-05-02 | Laureles Saul R. | Officer - Chief Legal Officer | OPT+S | $0.53 | 809 | $430 | 264,792 | 0.0% |
| 2025-03-17 23:30 | 2025-03-07 | Tappin Matthew | Officer - President, Software Division | OPT+S | $0.41 | 18,715 | $7,645 | 56,670 | 0.0% |
| 2025-03-17 23:30 | 2025-03-12 | Carlson Michael James | Officer - Chief Operating Officer | OPT+S | $0.40 | 27,739 | $11,207 | 204,140 | 0.0% |
| 2025-02-22 04:46 | 2025-02-20 | Albert Hofeldt | Officer - Chief Technology Officer | OPT+S | $0.63 | 13,294 | $8,331 | 185,863 | 0.0% |
| 2025-02-22 04:31 | 2025-02-20 | Tappin Matthew | Officer - President, Software Division | OPT+S | $0.63 | 8,130 | $5,095 | 32,821 | 0.0% |
| 2024-06-10 23:13 | 2024-03-15 | BUZBY DAVID S | Director | BUY | $1.83 | 96,300 | $176,181 | 96,300 | +100.0% |
| 2024-05-30 23:31 | 2024-05-28 | Tappin Matthew | Officer - President, Asset Management | SELL | $1.32 | 1,388 | $1,832 | 16,635 | -7.7% |
| 2024-05-07 14:49 | 2024-05-02 | Carrington John Eugene | Director, Officer - CEO and Director | SELL | $1.85 | 194,171 | $359,216 | 506,585 | -27.7% |
| 2024-05-01 00:22 | 2024-04-30 | Patel Prakesh | Officer - Chief Strategy Officer | OPT+S | $1.87 | 23,863 | $44,624 | 181,668 | 0.0% |
| 2024-05-01 00:21 | 2024-04-30 | BUSH WILLIAM JOHN | Officer - Chief Financial Officer | OPT+S | $1.87 | 24,035 | $44,945 | 390,217 | 0.0% |
| 2024-05-01 00:21 | 2024-04-30 | Laureles Saul R. | Officer - Chief Legal Officer | OPT+S | $1.87 | 822 | $1,537 | 150,990 | 0.0% |
| 2024-05-01 00:21 | 2024-04-30 | Russo Alan | Officer - Chief Revenue Officer | OPT+S | $1.87 | 24,142 | $45,146 | 212,910 | 0.0% |
| 2024-03-21 01:08 | 2024-03-19 | Schaefer Robert | Officer - President, Transformational | SELL | $1.82 | 100,000 | $182,000 | 716,110 | -12.3% |
| 2024-03-21 01:07 | 2024-03-19 | Tappin Matthew | Officer - President, Asset Management | SELL | $1.82 | 26,640 | $48,485 | 15,248 | -63.6% |
| 2024-03-21 01:04 | 2024-03-18 | BUZBY DAVID S | Director | BUY | $1.81 | 33,800 | $61,178 | 768,448 | +4.6% |
| 2024-03-19 01:13 | 2024-03-15 | BUZBY DAVID S | Director | BUY | $1.84 | 62,500 | $115,000 | 734,648 | +9.3% |
| 2024-03-19 00:16 | 2024-03-15 | Homenock Kim | Officer - Chief People Officer | BUY | $1.84 | 24,000 | $44,160 | 161,989 | +17.4% |
| 2024-03-19 00:15 | 2024-03-14 | Carlson Michael James | Officer - Chief Operating Officer | BUY | $1.75 | 55,000 | $96,250 | 128,903 | +74.4% |
| 2024-03-14 23:12 | 2024-03-12 | Johnson larsh | Officer - Chief Technology Officer | SELL | $2.00 | 41,428 | $82,856 | 78,739 | -34.5% |
| 2024-03-12 23:17 | 2024-03-08 | Laureles Saul R. | Officer - Chief Legal Officer | SELL | $2.19 | 26,602 | $58,258 | 148,359 | -15.2% |
| 2024-03-12 23:16 | 2024-03-08 | Homenock Kim | Officer - Chief People Officer | SELL | $2.19 | 26,512 | $58,061 | 121,300 | -17.9% |
| 2024-03-12 23:16 | 2024-03-08 | Schaefer Robert | Officer - President, Transformational | SELL | $2.19 | 37,463 | $82,044 | 816,110 | -4.4% |
| 2024-03-12 23:16 | 2024-03-08 | Shukla Rahul | Officer - Chief Accounting Officer | SELL | $2.20 | 41,231 | $90,721 | 0 | -100.0% |
| 2024-03-12 23:15 | 2024-03-08 | Johnson larsh | Officer - Chief Technology Officer | SELL | $2.19 | 35,880 | $78,577 | 120,167 | -23.0% |
| 2024-03-12 23:15 | 2024-03-08 | Patel Prakesh | Officer - Chief Strategy Officer | SELL | $2.19 | 35,902 | $78,625 | 137,078 | -20.8% |
| 2024-03-12 23:15 | 2024-03-08 | Carrington John Eugene | Director, Officer - CEO and Director | SELL | $2.19 | 85,038 | $186,233 | 262,318 | -24.5% |
| 2024-03-12 23:15 | 2024-03-08 | Carlson Michael James | Officer - Chief Operating Officer | SELL | $2.19 | 35,269 | $77,239 | 73,903 | -32.3% |
| 2024-03-12 23:14 | 2024-03-08 | BUSH WILLIAM JOHN | Officer - Chief Financial Officer | SELL | $2.19 | 46,034 | $100,814 | 345,306 | -11.8% |
| 2024-03-12 23:14 | 2024-03-08 | Tappin Matthew | Officer - President, Asset Management | SELL | $2.19 | 24,899 | $54,529 | 41,888 | -37.3% |
| 2024-03-08 01:04 | 2024-03-05 | Tappin Matthew | Officer - President, Asset Management | SELL | $2.41 | 3,837 | $9,247 | 66,787 | -5.4% |
| 2024-03-06 00:25 | 2024-03-04 | Tappin Matthew | Officer - President, Asset Management | OPT+S | $2.48 | 5,724 | $14,196 | 70,624 | 0.0% |
| 2024-03-06 00:24 | 2024-03-04 | Carrington John Eugene | Director, Officer - CEO and Director | OPT+S | $2.48 | 9,885 | $24,515 | 347,356 | 0.0% |
| 2024-03-06 00:23 | 2024-03-04 | Schaefer Robert | Officer - President, Transformational | OPT+S | $2.48 | 5,945 | $14,744 | 853,573 | 0.0% |
| 2024-03-06 00:23 | 2024-03-04 | Russo Alan | Officer - Chief Revenue Officer | OPT+S | $2.48 | 7,153 | $17,739 | 167,798 | 0.0% |
| 2024-03-06 00:23 | 2024-03-04 | Patel Prakesh | Officer - Chief Strategy Officer | OPT+S | $2.48 | 7,153 | $17,739 | 172,980 | 0.0% |
| 2024-03-06 00:22 | 2024-03-04 | Johnson larsh | Officer - Chief Technology Officer | OPT+S | $2.48 | 7,153 | $17,739 | 156,047 | 0.0% |
| 2024-03-06 00:21 | 2024-03-04 | BUSH WILLIAM JOHN | Officer - Chief Financial Officer | OPT+S | $2.48 | 10,016 | $24,840 | 391,340 | 0.0% |
| 2024-03-06 00:21 | 2024-03-04 | Laureles Saul R. | Officer - Chief Legal Officer | OPT+S | $2.48 | 5,591 | $13,866 | 174,961 | 0.0% |
| 2024-03-06 00:20 | 2024-03-04 | Shukla Rahul | Officer - Chief Accounting Officer | SELL | $2.47 | 20,204 | $49,904 | 41,231 | -32.9% |
| 2024-02-28 01:25 | 2024-02-27 | Carrington John Eugene | Director, Officer - CEO and Director | OPT+S | $2.70 | 13,863 | $37,430 | 138,562 | 0.0% |
| 2024-02-27 01:50 | 2024-02-26 | Shukla Rahul | Officer - Chief Accounting Officer | OPT+S | $2.65 | 8,244 | $21,847 | 20,204 | 0.0% |
| 2024-02-22 01:07 | 2024-02-20 | Tappin Matthew | Officer - President, Asset Management | SELL | $3.05 | 6,857 | $20,914 | 11,411 | -37.5% |
| 2024-02-21 00:57 | 2024-02-16 | Laureles Saul R. | Officer - Chief Legal Officer | OPT+S | $3.17 | 10,959 | $34,740 | 80,003 | 0.0% |
| 2024-02-21 00:55 | 2024-02-16 | Russo Alan | Officer - Chief Revenue Officer | OPT+S | $3.17 | 14,390 | $45,616 | 158,204 | 0.0% |
| 2024-02-21 00:53 | 2024-02-16 | Johnson larsh | Officer - Chief Technology Officer | OPT+S | $3.17 | 12,117 | $38,411 | 69,145 | 0.0% |
How to Interpret $STEM Trades
Not every insider transaction in STEM, INC. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $STEM shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for STEM
Insider activity data for STEM, INC. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $STEM, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.