Matthew A. Staneff
CIK 1808297 · View on SEC EDGAR ↗
Insider
First SEC filing: April 13, 2020 · Latest: April 13, 2020
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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 7, 2021 | TMUSZ | S | 45,000 | $139.60 | $6,282,000 | 61,812 Direct | -42.13% | Disposed | -85.5% (price as of 2026-08-20) |
| Nov. 6, 2020 | TMUSZ | S 10b5-1 | 5,000 | $127.03 | $635,150 | 47,904 Direct | -9.45% | Disposed | -84.0% (price as of 2026-08-20) |
| Aug. 12, 2020 | TMUSZ | S | 9,500 | $115.23 | $1,094,685 | 53,747 Direct | -15.02% | Disposed | -82.4% (price as of 2026-08-20) |
| July 8, 2020 | TMUSZ | S | 25,790 | $0.18 | $4,642 | 0 Direct | -100.00% | Disposed | 11183.3% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| July 8, 2020 | TMUSZ | Subscription Rights (right to buy) [F1] | Common Stock (25,790) | $103.00 | — | 25,790 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 13, 2020 | TMUSZ | Common Stock | 63,247 | Direct |