Billerbeck Darin G
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to Billerbeck Darin G. 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 |
|---|---|---|---|---|---|---|
| MRAM | Option Exercise | 12,000 | $7.20 | $86,400 | Nov 10, 2025 | |
| MRAM | Award / Grant | 20,325 | — | — | May 22, 2025 | |
| MRAM | Award / Grant | 20,973 | — | — | May 23, 2024 | |
| MRAM | Sale | 10,000 | $8.73 | $87,300 | Dec 8, 2023 | |
| MRAM | Sale | 10,000 | $9.63 | $96,300 | Aug 15, 2023 | |
| MRAM | Option Exercise | 10,000 | $8.52 | $85,200 | Aug 15, 2023 | |
| MRAM | Award / Grant | 16,578 | — | — | May 23, 2023 | |
| MRAM | Sale | 10,000 | $6.67 | $66,700 | Mar 8, 2023 | |
| MRAM | Sale | 1,281 | $5.51 | $7,058 | Jan 3, 2023 | |
| MRAM | Sale | 3,637 | $6.31 | $22,949 | Dec 2, 2022 | |
| MRAM | Sale | 3,527 | $6.16 | $21,726 | Nov 2, 2022 | |
| MRAM | Sale | 3,375 | $6.18 | $20,858 | Oct 1, 2022 | |
| MRAM | Sale | 3,524 | $6.89 | $24,280 | Sep 1, 2022 | |
| MRAM | Sale | 3,566 | $5.91 | $21,075 | Aug 2, 2022 | |
| MRAM | Sale | 3,595 | $4.93 | $17,723 | Jul 5, 2022 | |
| MRAM | Sale | 3,513 | $6.13 | $21,535 | Jun 1, 2022 | |
| MRAM | Executive Chairman | Award / Grant | 25,802 | — | — | May 10, 2022 |
| MRAM | Executive Chairman | Award / Grant | 62,000 | — | — | Mar 14, 2022 |
| MRAM | Award / Grant | 62,000 | — | — | Mar 14, 2022 | |
| MRAM | Interim CEO | Sale | 19,497 | $10.45 | $203,744 | Dec 17, 2021 |
| MRAM | Interim CEO | Sale | 1,547 | $11.43 | $17,682 | Dec 2, 2021 |
| MRAM | Interim CEO | Sale | 38,740 | $12.16 | $471,078 | Nov 19, 2021 |
| MRAM | Interim CEO | Sale | 1,540 | $6.91 | $10,641 | Sep 2, 2021 |
| MRAM | Interim CEO | Sale | 1,524 | $6.21 | $9,464 | Jun 2, 2021 |
| MRAM | Interim CEO | Sale | 3,457 | $5.23 | $18,080 | May 20, 2021 |
| MRAM | Interim CEO | Sale | 2,641 | $6.01 | $15,872 | Mar 1, 2021 |
| MRAM | Interim CEO | Award / Grant | 75,000 | — | — | Jan 21, 2021 |
| MRAM | Award / Grant | 21,359 | — | — | May 19, 2020 | |
| MRAM | Award / Grant | 7,000 | — | — | May 21, 2019 | |
| LSCC | Former President & CEO | Tax Withholding | 109,570 | $5.75 | $630,028 | May 31, 2018 |
| LSCC | President & CEO | Tax Withholding | 3,481 | $5.91 | $20,573 | Feb 13, 2018 |
| LSCC | President & CEO | Tax Withholding | 2,088 | $6.01 | $12,549 | Feb 11, 2018 |
| LSCC | President & CEO | Tax Withholding | 3,961 | $6.08 | $24,083 | Feb 6, 2018 |
| LSCC | President & CEO | Tax Withholding | 3,140 | $6.51 | $20,441 | Nov 11, 2017 |
| LSCC | President & CEO | Tax Withholding | 5,220 | $5.92 | $30,902 | Nov 6, 2017 |
| LSCC | President & CEO | Option Exercise | 574,600 | $4.86 | $2,792,556 | Oct 18, 2017 |
| LSCC | President & CEO | Option Exercise | 574,600 | $4.86 | $2,792,556 | Oct 18, 2017 |
| LSCC | President & CEO | Option Exercise | 10,437 | — | — | Aug 13, 2017 |
| LSCC | President & CEO | Option Exercise | 6,162 | — | — | Aug 11, 2017 |
| LSCC | President & CEO | Tax Withholding | 5,221 | $6.70 | $34,981 | Aug 6, 2017 |
| LSCC | President & CEO | Tax Withholding | 15,177 | $6.99 | $106,087 | May 13, 2017 |
| LSCC | President & CEO | Tax Withholding | 2,240 | $7.03 | $15,747 | May 11, 2017 |
| LSCC | President & CEO | Option Exercise | 10,246 | — | — | May 6, 2017 |
| LSCC | President & CEO | Tax Withholding | 2,185 | $6.97 | $15,229 | Feb 11, 2017 |
| LSCC | President & CEO | Tax Withholding | 4,239 | $7.13 | $30,224 | Feb 6, 2017 |
| LSCC | President & CEO | Tax Withholding | 2,870 | $7.72 | $22,156 | Nov 11, 2016 |
| LSCC | President & CEO | Option Exercise | 6,162 | — | — | Aug 11, 2016 |
| LSCC | President & CEO | Option Exercise | 10,246 | — | — | Aug 6, 2016 |
| LSCC | President & CEO | Tax Withholding | 2,240 | $5.52 | $12,365 | May 11, 2016 |
| LSCC | President & CEO | Tax Withholding | 3,725 | $5.31 | $19,780 | May 6, 2016 |