William S. Singer
Insider
First SEC filing: June 14, 2021 · Latest: June 14, 2021
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 18, 2026 | TAOX | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 7, 2026 | TAOX | A | 800 | · | · | 800 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 17, 2025 | TAOX | F | 6,000 | $7.23 | $43,380 | 19,566 Direct | -23.47% | Disposed | -38.2% (price as of 2026-10-05) |
| Oct. 17, 2025 | TAOX | A | 15,000 | · | · | 25,566 Direct | +141.96% | Acquired | (price as of 2026-10-05) |
| Aug. 6, 2025 | TAOX | A | 7,000 | · | · | 7,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2025 | TAOX | F | 6,164 | $7.85 | $48,387 | 10,566 Direct | -36.84% | Disposed | -43.1% (price as of 2026-10-05) |
| June 30, 2025 | TAOX | A | 15,410 | · | · | 16,730 Direct | +1167.42% | Acquired | (price as of 2026-10-05) |
| April 3, 2025 | TAOX | A | 800 | · | · | 800 Direct | · | Acquired | (price as of 2026-10-05) |
| April 8, 2024 | TAOX | A | 800 | · | · | 800 Direct | · | Acquired | (price as of 2026-10-05) |
| March 29, 2023 | TAOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 16, 2022 | TAOX | S 10b5-1 | 27,000 | $1.17 | $31,590 | 33,000 Direct | -45.00% | Disposed | -84.7% (price as of 2026-10-05) |
| Nov. 15, 2022 | TAOX | A | 75,000 | · | · | 75,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 15, 2022 | TAOX | A | 96,000 | · | · | 96,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 5, 2022 | TAOX | J | 0 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-05) |
| April 5, 2022 | TAOX | A | 1,500 | · | · | 1,500 Direct | · | Acquired | (price as of 2026-10-05) |
| July 13, 2021 | TAOX | A | 60,000 | · | · | 60,000 Direct | · | Acquired | (price as of 2026-10-05) |
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 18, 2026 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $4.80 | May 18, 2036 | 35,000 | Acquired |
| April 7, 2026 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $5.52 | April 7, 2036 | 800 | Acquired |
| Aug. 6, 2025 | TAOX | Employee Stock Option (right to buy) | Common Stock | $10.38 | July 14, 2035 | 7,000 | Acquired |
| April 3, 2025 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $2.28 | April 3, 2035 | 800 | Acquired |
| April 8, 2024 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $5.39 | April 8, 2034 | 800 | Acquired |
| March 29, 2023 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $0.87 | March 29, 2033 | 20,000 | Acquired |
| Nov. 15, 2022 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $6.07 | Nov. 15, 2032 | 75,000 | Acquired |
| Nov. 15, 2022 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $6.07 | Nov. 15, 2032 | 96,000 | Acquired |
| April 5, 2022 | TAOX | Stock Option (Right to Buy) [F1] | Common Stock, par value $0.0001 per share [F1] | · | · | 0 | Acquired |
| April 5, 2022 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share | $7.41 | April 5, 2032 | 1,500 | 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.