BUZBY DAVID S
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to BUZBY DAVID S. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| STEM | Gift | 5,511 | — | — | Jul 3, 2025 | |
| STEM | Option Exercise | 110,236 | — | — | May 29, 2025 | |
| STEM | Option Exercise | 23,489 | — | — | Jun 7, 2024 | |
| STEM | Purchase | 33,800 | $1.81 | $61,178 | Mar 18, 2024 | |
| STEM | Purchase | 62,500 | $1.84 | $115,000 | Mar 15, 2024 | |
| 0001843477 | C | 40,000 | — | — | Jan 25, 2024 | |
| STEM | Purchase | 62,000 | $4.82 | $298,840 | Sep 15, 2023 | |
| STEM | Gift | 20,498 | — | — | Jun 20, 2023 | |
| STEM | Option Exercise | 20,498 | — | — | Jun 15, 2023 | |
| STEM | Sale | 50,000 | $16.21 | $810,500 | Sep 9, 2022 | |
| STEM | Sale | 67,000 | $15.51 | $1,039,170 | Aug 17, 2022 | |
| STEM | Option Exercise | 5,524 | — | — | Apr 28, 2022 | |
| STEM | Sale | 86,121 | $9.01 | $775,950 | Mar 8, 2022 | |
| STEM | Tax Withholding | 11,049 | $34.11 | $376,881 | Jul 7, 2021 | |
| 0001080034 | Disposition | 68,800 | — | — | Dec 10, 2014 | |
| 0001080034 | Option Exercise | 25,000 | $12.87 | $321,750 | Dec 5, 2014 | |
| 0001080034 | Award / Grant | 5,573 | — | — | Apr 24, 2014 | |
| 0001080034 | Award / Grant | 10,000 | — | — | Jan 29, 2013 | |
| 0001080034 | Gift | 6,125 | — | — | Jun 22, 2012 | |
| 0001080034 | Award / Grant | 15,000 | — | — | Feb 2, 2012 | |
| 0001080034 | Purchase | 145 | $16.52 | $2,395 | Jun 15, 2011 | |
| 0001080034 | Award / Grant | 12,000 | — | — | Feb 10, 2011 | |
| 0001080034 | Purchase | 10,227 | $12.16 | $124,360 | Sep 15, 2010 | |
| 0001080034 | Purchase | 45 | $10.08 | $454 | May 4, 2010 | |
| 0001080034 | Award / Grant | 6,000 | — | — | Feb 9, 2010 | |
| 0000855372 | Sale | 136,100 | — | — | Dec 1, 2009 | |
| 0001080034 | Purchase | 5,000 | $9.85 | $49,250 | Nov 4, 2009 | |
| 0001080034 | Purchase | 5,000 | $9.44 | $47,200 | Nov 2, 2009 | |
| 0001080034 | Purchase | 4,712 | $9.83 | $46,319 | Oct 30, 2009 | |
| 0001080034 | Award / Grant | 25,000 | — | — | Oct 23, 2008 | |
| 0001080034 | Award / Grant | 6,000 | — | — | Jun 3, 2008 | |
| 0001080034 | Award / Grant | 6,000 | — | — | Jun 3, 2008 | |
| 0001080034 | Sale | 1,425 | $26.68 | $38,019 | Mar 8, 2007 | |
| 0001080034 | Option Exercise | 30,000 | $7.16 | $214,800 | Dec 15, 2006 | |
| 0001080034 | Purchase | 15,000 | $14.35 | $215,250 | Jun 15, 2006 |