Who
Mark D. Nielsen
Chief Legal & Reg. Officer
Company insider
Files Form 4 as: Chief Legal & Reg. Officer, Frontier Communications Parent.
In numbers
- Trades disclosed
- 52
- Buys
- 1
- Sells
- 0
- Bought
- $101K
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 4 Mar 2014
- Last trade
- 20 Jan 2026
- Last filed
- 22 Jan 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications ParentTelecom Carriers | SEC FORM 4 Code D | —175,579 | filing |
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications ParentTelecom Carriers | SEC FORM 4 Code D | —40,188 | filing |
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications Parentoption or derivative · Telecom Carriers | SEC FORM 4 Code D | —134,965 at $0.00 | filing |
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications Parentoption or derivative | SEC FORM 4 Code D | —134,965 at $0.00 | filing |
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications Parent | SEC FORM 4 Code D | —175,579 | filing |
| 20 Jan 2026filed 22 Jan 2026 | Frontier Communications Parent | SEC FORM 4 Code D | —40,188 | filing |
| 14 Jan 2026filed 16 Jan 2026 | Frontier Communications ParentTelecom Carriers | SEC FORM 4 Code A | —61,020 at $0.00 | filing |
| 14 Jan 2026filed 16 Jan 2026 | Frontier Communications ParentTelecom Carriers | SEC FORM 4 Code F | $1.1M28,277 at $38.34 | filing |
| 14 Jan 2026filed 16 Jan 2026 | Frontier Communications Parent | SEC FORM 4 Code A | —61,020 at $0.00 | filing |
| 14 Jan 2026filed 16 Jan 2026 | Frontier Communications Parent | SEC FORM 4 Code F | $1.1M28,277 at $38.34 | filing |
| 12 Mar 2025filed 14 Mar 2025 | Frontier Communications Parent | SEC FORM 4 Code A | —16,272 at $0.00 | filing |
| 19 Dec 2024filed 23 Dec 2024 | Frontier Communications Parent | SEC FORM 4 Code F | $251K7,214 at $34.75 | filing |
| 7 May 2024filed 9 May 2024 | Frontier Communications Parent | SEC FORM 4 Code F | $273K10,555 at $25.82 | filing |
| 13 Mar 2024filed 15 Mar 2024 | Frontier Communications Parent | SEC FORM 4 Code A | —25,047 at $0.00 | filing |
| 13 Mar 2024filed 15 Mar 2024 | Frontier Communications Parent | SEC FORM 4 Code F | $81K3,345 at $24.31 | filing |
| 1 Mar 2024filed 5 Mar 2024 | Frontier Communications Parent | SEC FORM 4 Code A | —172,200 at $0.00 | filing |
| 1 Mar 2024filed 5 Mar 2024 | Frontier Communications Parent | SEC FORM 4 Code F | $1.9M79,827 at $23.82 | filing |
| 9 May 2023filed 11 May 2023 | Frontier Communications Parent | SEC FORM 4 Code A | —21,654 at $0.00 | filing |
| 9 May 2023filed 11 May 2023 | Frontier Communications Parent | SEC FORM 4 Code F | $194K10,556 at $18.37 | filing |
| 30 Apr 2022filed 3 May 2022 | Frontier Communications Parent | SEC FORM 4 Code F | $237K8,985 at $26.39 | filing |
News
No headline names them, or the companies they trade most, lately.