PORCELAIN MICHAEL
Insider transactions at 2 companies
This page shows all SEC Form 4 filings attributed to PORCELAIN MICHAEL. 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 |
|---|---|---|---|---|---|---|
| AIRI | Award / Grant | 3,823 | $3.22 | $12,310 | Oct 22, 2025 | |
| AIRI | Award / Grant | 4,443 | $3.22 | $14,306 | Oct 22, 2025 | |
| AIRI | Award / Grant | 4,064 | $3.52 | $14,305 | Jul 28, 2025 | |
| AIRI | Award / Grant | 4,690 | $3.05 | $14,305 | Apr 22, 2025 | |
| AIRI | Award / Grant | 3,327 | $4.30 | $14,306 | Jan 6, 2025 | |
| AIRI | Award / Grant | 2,654 | $5.39 | $14,305 | Oct 7, 2024 | |
| AIRI | Award / Grant | 4,686 | $3.33 | $15,604 | Jul 2, 2024 | |
| AIRI | Award / Grant | 2,704 | $4.81 | $13,006 | Apr 25, 2024 | |
| AIRI | Other | 4,195 | $3.10 | $13,005 | Jan 8, 2024 | |
| AIRI | Other | 4,500 | $2.89 | $13,005 | Oct 4, 2023 | |
| AIRI | Other | 3,647 | $3.54 | $12,910 | Jul 19, 2023 | |
| AIRI | Other | 3,647 | $3.54 | $12,910 | May 23, 2023 | |
| AIRI | Other | 2,969 | $4.38 | $13,004 | Jan 9, 2023 | |
| AIRI | Other | 19,707 | $0.66 | $13,007 | Oct 3, 2022 | |
| CMTL | President & CEO | Option Exercise | 2,446 | — | — | Aug 9, 2022 |
| CMTL | Option Exercise | 65,714 | — | — | Aug 9, 2022 | |
| CMTL | Tax Withholding | 2,471 | $10.95 | $27,057 | Aug 9, 2022 | |
| CMTL | President & CEO | Option Exercise | 2,822 | — | — | Aug 9, 2022 |
| CMTL | President & CEO | Tax Withholding | 700 | $11.86 | $8,302 | Aug 8, 2022 |
| CMTL | President & CEO | Option Exercise | 4,721 | — | — | Aug 4, 2022 |
| CMTL | President & CEO | Option Exercise | 34,708 | — | — | Jul 31, 2022 |
| CMTL | President & CEO | Tax Withholding | 3,708 | $11.42 | $42,345 | Jul 28, 2022 |
| CMTL | President & CEO | Purchase | 2,380 | $10.52 | $25,038 | Jul 21, 2022 |
| CMTL | CEO & President | Purchase | 5,500 | $9.53 | $52,415 | Jul 18, 2022 |
| AIRI | Other | 18,580 | $0.70 | $13,006 | Jul 6, 2022 | |
| AIRI | Other | 15,482 | $0.84 | $13,005 | Apr 6, 2022 | |
| AIRI | Other | 11,889 | $0.91 | $10,819 | Jan 3, 2022 | |
| CMTL | President & COO | Tax Withholding | 426 | $25.38 | $10,812 | Oct 4, 2021 |
| AIRI | Other | 12,155 | $1.07 | $13,006 | Oct 1, 2021 | |
| CMTL | President & COO | Award / Grant | 6,761 | — | — | Sep 27, 2021 |
| CMTL | President & COO | Tax Withholding | 2,100 | $26.09 | $54,789 | Sep 27, 2021 |
| CMTL | President & COO | Tax Withholding | 1,300 | $26.11 | $33,943 | Aug 9, 2021 |
| CMTL | President & COO | Tax Withholding | 1,500 | $26.11 | $39,165 | Aug 9, 2021 |
| CMTL | President & COO | Tax Withholding | 1,513 | $26.11 | $39,504 | Aug 9, 2021 |
| CMTL | President & COO | Option Exercise | 1,370 | — | — | Aug 8, 2021 |
| CMTL | President & COO | Tax Withholding | 2,509 | $24.72 | $62,022 | Aug 4, 2021 |
| CMTL | President & COO | Option Exercise | 1,741 | — | — | Jul 31, 2021 |
| CMTL | President & COO | Option Exercise | 27,458 | — | — | Jul 31, 2021 |
| AIRI | Other | 9,095 | $1.30 | $11,824 | Jul 7, 2021 | |
| AIRI | Other | 8,506 | $1.39 | $11,823 | Apr 6, 2021 | |
| AIRI | Other | 9,613 | $1.23 | $11,824 | Jan 4, 2021 | |
| AIRI | Other | 10,372 | $1.14 | $11,824 | Oct 5, 2020 | |
| CMTL | President & COO | Option Exercise | 801 | — | — | Oct 4, 2020 |
| CMTL | President & COO | Tax Withholding | 6,300 | $14.61 | $92,043 | Sep 22, 2020 |
| CMTL | President & COO | Tax Withholding | 1,198 | $17.56 | $21,037 | Aug 9, 2020 |
| CMTL | President & COO | Tax Withholding | 1,382 | $17.56 | $24,268 | Aug 9, 2020 |
| CMTL | President & COO | Tax Withholding | 1,394 | $17.56 | $24,479 | Aug 9, 2020 |
| CMTL | President & COO | Option Exercise | 1,370 | — | — | Aug 8, 2020 |
| CMTL | President & COO | Option Exercise | 1,265 | — | — | Jul 31, 2020 |
| CMTL | President & COO | Tax Withholding | 13,345 | $16.42 | $219,125 | Jul 31, 2020 |