Alan Huang
CIK 1877364 · View on SEC EDGAR ↗
First SEC filing: Aug. 12, 2021 · Latest: Aug. 12, 2021
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 1, 2023 | TNGX | A | 190,181 | — | — | 190,181 Direct | — | Acquired | (price as of 2026-08-21) |
| March 1, 2023 | TNGX | A | 31,697 | — | — | 167,584 Direct | +23.33% | Acquired | (price as of 2026-08-21) |
| Feb. 1, 2022 | TNGX | A | 200,000 | — | — | 200,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Aug. 12, 2021 | TNGX | A | 169,859 | — | — | 169,859 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| March 1, 2023 | TNGX | Stock Option (Right to Buy) | Common Stock (190,181) | $5.20 | March 1, 2033 | 190,181 | Acquired |
| Feb. 1, 2022 | TNGX | Stock Option (Right to Buy) | Common Stock (200,000) | $9.22 | Feb. 1, 2032 | 200,000 | Acquired |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy) | Common Stock (169,859) | $9.56 | Aug. 12, 2031 | 169,859 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 12, 2021 | TNGX | Common Stock | 135,887 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (84,930) | 84,930 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (110,409) | 110,409 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (67,944) | 67,944 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (67,944) | 67,944 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (95,121) | 95,121 | Direct |
| Aug. 12, 2021 | TNGX | Stock Option (Right to Buy)→ Common Stock (67,944) | 67,944 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | — | — | — | — | — | — | — | — |
| 2022 | — | — | — | — | — | — | — | — |
| 2021 | — | — | — | — | — | — | — | — |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.