Robin Dunbar
CIK 1708293 · View on SEC EDGAR ↗
Insider
First SEC filing: June 2, 2017 · Latest: Feb. 14, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 29, 2020 | MUX | A | 75,000 | — | — | 75,000 Direct | — | Acquired | (price as of 2026-08-19) |
| June 11, 2019 | MUX | A | 75,000 | — | — | 75,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 24, 2019 | MUX | M | 6,000 | — | — | 6,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 24, 2019 | MUX | M | 12,000 | $1.55 | $18,600 | 19,445 Direct | +161.18% | Acquired | 27.4% (price as of 2026-08-19) |
| Sept. 5, 2017 | MUX | A | 100,000 | — | — | 100,000 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 29, 2020 | MUX | Stock Option (right to buy) | Common Stock (75,000) | $1.25 | Sept. 28, 2025 | 75,000 | Acquired |
| June 11, 2019 | MUX | Stock Option (right to buy) | Common Stock (75,000) | $1.67 | June 10, 2024 | 75,000 | Acquired |
| May 24, 2019 | MUX | Warrant - right to purchase | Common Stock (6,000) | $2.00 | March 26, 2022 | 6,000 | Acquired |
| Sept. 5, 2017 | MUX | Stock Option (right to buy) | Common Stock (100,000) | $2.78 | Sept. 5, 2022 | 100,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.