Charles E Mather IV
CIK 1563422 · View on SEC EDGAR ↗
Insider
First SEC filing: April 5, 2018 · Latest: April 5, 2018
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 18 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
18 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 26, 2023 | HYPD | P | 3,000 | $2.49 | $7,470 | 77,544 Direct | +4.02% | Acquired | -98.6% (price as of 2026-08-19) |
| May 15, 2023 | HYPD | P | 4,000 | $3.39 | $13,560 | 74,544 Direct | +5.67% | Acquired | -99.0% (price as of 2026-08-19) |
| May 15, 2023 | HYPD | P | 4,000 | $3.39 | $13,560 | 74,544 Direct | -5.09% | Disposed | -99.0% (price as of 2026-08-19) |
| March 10, 2015 | TNXP | P | 1,000 | $6.80 | $6,800 | 11,830 Direct | +9.23% | Acquired | -100.0% (price as of 2026-08-19) |
| Sept. 27, 2013 | TNXP | P | 1,000 | $3.65 | $3,650 | 10,830 Direct | +10.17% | Acquired | -100.0% (price as of 2026-08-19) |
| Sept. 9, 2013 | TNXP | P | 600 | $3.48 | $2,088 | 9,830 Direct | +6.50% | Acquired | -100.0% (price as of 2026-08-19) |
| Sept. 4, 2013 | TNXP | P | 451 | $3.23 | $1,457 | 9,230 Direct | +5.14% | Acquired | -100.0% (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 |
|---|---|---|---|---|---|---|---|
| June 12, 2024 | HYPD | Stock Option (right to buy) | Common Stock (85,106) | $0.65 | June 12, 2034 | 85,106 | Acquired |
| June 27, 2023 | HYPD | Stock Option (right to buy) | Common Stock (24,691) | $2.32 | June 27, 2033 | 24,691 | Acquired |
| Sept. 11, 2020 | HYPD | Stock Option (right to buy) | Common Stock (9,820) | $3.43 | Sept. 11, 2030 | 9,820 | Acquired |
| May 27, 2016 | TNXP | Restricted Stock Unit | Common Stock (7,500) | — | — | 7,500 | Acquired |
| Feb. 9, 2016 | TNXP | Restricted Stock Unit | Common Stock (7,500) | — | — | 7,500 | Acquired |
| Feb. 25, 2015 | TNXP | Restricted Stock Unit | Common Stock (6,000) | — | — | 6,000 | Acquired |
| Feb. 25, 2015 | TNXP | Stock Option | Common Stock (5,000) | $5.95 | Feb. 25, 2025 | 5,000 | Acquired |
| Oct. 29, 2014 | TNXP | Stock Option | Common Stock (5,000) | $6.68 | Oct. 29, 2024 | 5,000 | Acquired |
| June 17, 2014 | TNXP | Stock Option | Common Stock (5,000) | $9.87 | June 17, 2024 | 5,000 | Acquired |
| Feb. 11, 2014 | TNXP | Stock Option | Common Stock (5,500) | $15.88 | Feb. 11, 2024 | 5,500 | Acquired |
| April 26, 2013 | TNXP | Warrants | Common Stock (25,000) | $0.40 | Dec. 4, 2013 | 25,000 | Disposed |
| Feb. 12, 2013 | TNXP | Stock Option | Common Stock (210,000) | $0.51 | Feb. 12, 2023 | 210,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 5, 2018 | HYPD | No securities are beneficially owned | 0 | Direct |
| Jan. 14, 2013 | TNXP | Common Stock, Par Value $0.001 | 150,569 | Direct |
| Jan. 14, 2013 | TNXP | Warrants→ Common Stock (10,000) | 10,000 | Direct |
| Jan. 14, 2013 | TNXP | Warrants→ Common Stock (50,000) | 50,000 | Direct |
| Jan. 14, 2013 | TNXP | Warrants→ Common Stock (50,000) | 50,000 | Direct |