Heffernan Michael Thomas
Insider transactions at 4 companies
This page shows all SEC Form 4 filings attributed to Heffernan Michael Thomas. 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 |
|---|---|---|---|---|---|---|
| COLL | Award / Grant | 4,820 | — | — | Feb 10, 2025 | |
| COLL | Award / Grant | 7,693 | — | — | May 16, 2024 | |
| COLL | Award / Grant | 9,792 | — | — | May 18, 2023 | |
| COLL | Sale | 3,820 | $24.16 | $92,291 | Dec 27, 2022 | |
| COLL | Sale | 33,758 | $23.08 | $779,135 | Dec 21, 2022 | |
| COLL | Option Exercise | 7,904 | $14.57 | $115,161 | Dec 12, 2022 | |
| BHVN | Option Exercise | 13,100 | $2.40 | $31,440 | Oct 3, 2022 | |
| BHVN | Tax Withholding | 9,699 | $7.50 | $72,743 | Oct 3, 2022 | |
| COLL | Award / Grant | 14,035 | — | — | May 19, 2022 | |
| AKBA | Award / Grant | 13,700 | — | — | Jun 2, 2021 | |
| COLL | Award / Grant | 9,941 | — | — | May 20, 2021 | |
| COLL | Sale | 47,044 | $25.26 | $1,188,331 | Mar 15, 2021 | |
| COLL | Sale | 13,071 | $19.13 | $250,048 | Aug 11, 2020 | |
| AKBA | Award / Grant | 13,700 | — | — | Jun 5, 2020 | |
| COLL | Tax Withholding | 18,650 | $22.05 | $411,233 | May 20, 2020 | |
| COLL | Sale | 1,380 | $20.92 | $28,870 | May 13, 2020 | |
| COLL | Tax Withholding | 4,962 | $21.62 | $107,278 | Feb 10, 2020 | |
| COLL | Sale | 262,587 | $21.84 | $5,734,900 | Jan 21, 2020 | |
| COLL | Tax Withholding | 4,779 | $11.24 | $53,716 | Aug 9, 2019 | |
| COLL | Tax Withholding | 667 | $10.35 | $6,903 | Jul 19, 2019 | |
| COLL | Sale | 25,000 | $11.26 | $281,500 | Jul 15, 2019 | |
| COLL | Sale | 22,979 | $11.31 | $259,892 | Jun 17, 2019 | |
| AKBA | Award / Grant | 13,700 | — | — | Jun 6, 2019 | |
| COLL | Sale | 18,483 | $12.74 | $235,473 | May 15, 2019 | |
| TRVI | Purchase | 2,500 | $10.00 | $25,000 | May 9, 2019 | |
| COLL | Award / Grant | 4,707 | — | — | Apr 25, 2019 | |
| COLL | Sale | 20,192 | $14.91 | $301,063 | Apr 15, 2019 | |
| COLL | Sale | 25,000 | $17.17 | $429,250 | Mar 15, 2019 | |
| COLL | Sale | 17,932 | $14.71 | $263,780 | Feb 15, 2019 | |
| COLL | Tax Withholding | 7,851 | $14.39 | $112,976 | Feb 8, 2019 | |
| COLL | Tax Withholding | 787 | $15.76 | $12,403 | Jan 18, 2019 | |
| COLL | Sale | 25,000 | $15.56 | $389,000 | Jan 15, 2019 | |
| COLL | Sale | 3,313 | $18.57 | $61,522 | Dec 17, 2018 | |
| AKBA | Award / Grant | 7,486 | — | — | Dec 12, 2018 | |
| 0001114220 | Disposition | 20,000 | — | — | Dec 12, 2018 | |
| COLL | Sale | 3,600 | $17.05 | $61,380 | Nov 15, 2018 | |
| COLL | Sale | 25,000 | $16.53 | $413,250 | Oct 15, 2018 | |
| COLL | Tax Withholding | 2,025 | $18.03 | $36,511 | Aug 23, 2018 | |
| COLL | Tax Withholding | 668 | $20.15 | $13,460 | Aug 3, 2018 | |
| 0001114220 | Award / Grant | 10,000 | — | — | Jun 30, 2018 | |
| COLL | Chairman, President and CEO | Sale | 96,943 | $25.28 | $2,450,719 | Jun 12, 2018 |
| COLL | Chairman, President and CEO | Sale | 1,500 | $27.00 | $40,500 | May 10, 2018 |
| COLL | Chairman, President and CEO | Sale | 100 | $26.01 | $2,601 | Apr 19, 2018 |
| COLL | Chairman, President and CEO | Tax Withholding | 4,050 | $21.77 | $88,169 | Feb 26, 2018 |
| COLL | Chairman, President and CEO | Tax Withholding | 788 | $23.38 | $18,423 | Feb 5, 2018 |
| COLL | Chairman, President and CEO | Award / Grant | 1,044 | $10.17 | $10,617 | Jan 25, 2018 |
| COLL | Chairman, President and CEO | Sale | 3,592 | $25.00 | $89,800 | Jan 23, 2018 |
| COLL | Chairman, President and CEO | Sale | 20,000 | $22.50 | $450,000 | Jan 19, 2018 |
| COLL | Chairman, President and CEO | Sale | 50,000 | $15.53 | $776,500 | Nov 15, 2017 |
| COLL | Chairman, President and CEO | Award / Grant | 640 | $10.60 | $6,784 | Aug 4, 2017 |