David L Grange
CIK 1264908 · View on SEC EDGAR ↗
First SEC filing: Feb. 21, 2018 · Latest: Feb. 21, 2018
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 9, 2022 | TNXP | A | 2,131,500 | — | — | 2,131,500 Direct | — | Acquired | (price as of 2026-08-20) |
| May 10, 2021 | TNXP | A | 270,882 | — | — | 270,882 Direct | — | Acquired | (price as of 2026-08-20) |
| May 4, 2020 | TNXP | A | 75,000 | — | — | 75,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 6, 2019 | TNXP | A | 30,000 | — | — | 30,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| May 9, 2022 | TNXP | Stock Option | Common Stock (2,131,500) | $0.13 | May 9, 2032 | 2,131,500 | Acquired |
| May 10, 2021 | TNXP | Stock Option | Common Stock (270,882) | $1.03 | May 10, 2031 | 270,882 | Acquired |
| May 4, 2020 | TNXP | Stock Option | Common Stock (75,000) | $0.00 | May 4, 2030 | 75,000 | Acquired |
| May 6, 2019 | TNXP | Stock Option | Common Stock (30,000) | $2.05 | May 6, 2029 | 30,000 | Acquired |
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 |
|---|---|---|---|---|
| Feb. 21, 2018 | TNXP | Stock Option [F1]→ Common Stock (7,000) | 7,000 | Direct |