Joshua Silverman
CIK 1524858 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 21, 2020 · Latest: Aug. 23, 2022
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 35 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
35 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 16, 2022 | TAOX | S 10b5-1 | 19,012 | $1.17 | $22,244 | 38,238 Direct | -33.21% | Disposed | -87.6% (price as of 2026-08-20) |
| June 14, 2021 | TAOX | P | 10,000 | $8.30 | $83,000 | 15,000 Direct | +200.00% | Acquired | -98.2% (price as of 2026-08-20) |
| June 26, 2018 | FABC | P | 5,000 | $1.29 | $6,450 | 35,109 Indirect | +16.61% | Acquired | -99.9% (price as of 2026-08-20) |
| June 25, 2018 | FABC | P | 11,700 | $1.25 | $14,625 | 30,109 Indirect | +63.56% | Acquired | -99.9% (price as of 2026-08-20) |
| June 22, 2018 | FABC | P | 13,300 | $1.27 | $16,891 | 18,409 Indirect | +260.32% | Acquired | -99.9% (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 18, 2026 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share (200,000) | $4.80 | May 18, 2036 | 200,000 | Acquired |
| Aug. 6, 2025 | TAOX | Employee Stock Option (right to buy) | Common Stock (36,000) | $10.38 | July 14, 2035 | 36,000 | Acquired |
| June 25, 2025 | FEMY | Stock Option (Right to Buy) | Common Stock (17,600) | $0.98 | June 25, 2035 | 17,600 | Acquired |
| July 12, 2024 | FEMY | Stock Option (Right to Buy) | Common Stock (17,600) | $1.14 | July 12, 2034 | 17,600 | Acquired |
| April 8, 2024 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share (800) | $5.39 | April 8, 2034 | 800 | Acquired |
| Nov. 21, 2023 | FEMY | Stock Option (Right to Buy) | Common Stock (17,000) | $0.90 | Nov. 21, 2033 | 17,000 | Acquired |
| March 29, 2023 | TAOX | Stock Option (Right to Buy) | Common Stock, par value $0.0001 per share (20,000) | $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 (75,000) | $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 (144,000) | $6.07 | Nov. 15, 2032 | 144,000 | 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 (1,500) | $7.41 | April 5, 2032 | 1,500 | Acquired |
| Feb. 28, 2018 | MRKR | Series F Warrants | Common Stock (49,167) | $7.20 | Aug. 11, 2021 | 49,167 | Acquired |
| Feb. 28, 2018 | MRKR | Series E-1 Warrants | Common Stock (31,093) | $15.00 | Oct. 8, 2020 | 31,093 | Acquired |
| Feb. 28, 2018 | MRKR | Series E Warrants | Common Stock (10,574) | $4.50 | Oct. 8, 2020 | 10,574 | Acquired |
| Feb. 28, 2018 | MRKR | Series D Warrants | Common Stock (41,667) | $9.00 | Jan. 16, 2020 | 41,667 | Acquired |
| Feb. 28, 2018 | MRKR | Series C Warrants | Common Stock (44,000) | $6.00 | Jan. 16, 2020 | 44,000 | Acquired |
| Feb. 28, 2018 | MRKR | Series A Warrants | Common Stock (41,667) | $1.20 | Jan. 16, 2020 | 41,667 | Acquired |
| Feb. 28, 2018 | FABC | Warrants | Common Stock (1,716) | $4.36 | Dec. 8, 2024 | 1,716 | Acquired |
| Feb. 28, 2018 | FABC | Warrants | Common Stock (2,222) | $4.68 | Dec. 7, 2024 | 2,222 | Acquired |
| Feb. 28, 2018 | FABC | Warrants | Common Stock (1,161) | $4.32 | Dec. 12, 2024 | 1,161 | Acquired |
| Feb. 28, 2018 | FABC | Warrants | Common Stock (1,667) | $4.72 | Dec. 6, 2024 | 1,667 | Acquired |
| April 28, 2017 | FABC | Stock Option (right to purchase) | Common Stock (50,000) | $1.35 | April 28, 2027 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 12 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 23, 2022 | PMCB | Common Stock | 50,000 | Indirect |
| June 14, 2021 | TAOX | Common Stock, par value $0.0001 per share | 5,000 | Direct |
| June 14, 2021 | TAOX | Stock Option (Right to Buy)→ Common Stock, par value $0.0001 per share (31,250) | 31,250 | Direct |
| June 14, 2021 | TAOX | Stock Option (Right to Buy)→ Common Stock, par value $0.0001 per share (1,500) | 1,500 | Direct |
| Aug. 25, 2016 | FABC | Common Stock | 259,931 | Indirect |
| Aug. 25, 2016 | FABC | Common Stock | 8,674 | Indirect |
| Aug. 25, 2016 | FABC | Series H Preferred Stock→ Common Stock (97,000) | 97,000 | Indirect |
| Aug. 25, 2016 | FABC | Series H-1 Preferred Stock→ Common Stock (703,700) | 703,700 | Indirect |
| Aug. 25, 2016 | FABC | Warrant→ Common Stock (1,055,481) | 1,055,481 | Indirect |
| Aug. 25, 2016 | FABC | Series H Preferred Stock→ Common Stock (23,500) | 23,500 | Indirect |
| Aug. 25, 2016 | FABC | Series H-1 Preferred Stock→ Common Stock (54,100) | 54,100 | Indirect |
| Aug. 25, 2016 | FABC | Warrant→ Common Stock (81,190) | 81,190 | Indirect |