Roy T Tanaka
CIK 1444304 · View on SEC EDGAR ↗
Insider
First SEC filing: July 20, 2015 · Latest: July 20, 2015
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 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
3 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 5, 2015 | STEX | P | 2,800 | $1.95 | $5,460 | 30,000 Direct | +10.29% | Acquired | -98.4% (price as of 2026-08-20) |
| Aug. 5, 2015 | STEX | P | 2,100 | $1.89 | $3,969 | 27,200 Direct | +8.37% | Acquired | -98.3% (price as of 2026-08-20) |
| Aug. 5, 2015 | STEX | P | 100 | $1.82 | $182 | 25,100 Direct | +0.40% | Acquired | -98.3% (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 |
|---|---|---|---|---|---|---|---|
| Oct. 16, 2018 | STEX | Stock Option (Right to Buy) | Common Stock (34,566) | $5.09 | Oct. 16, 2028 | 34,566 | 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 |
|---|---|---|---|---|
| July 20, 2015 | STEX | Common Stock, $0.001 par value per share | 25,000 | Direct |
| July 20, 2015 | STEX | Options to Purchase Common Stock→ Common Stock (239,642) | 239,642 | Direct |
| July 20, 2015 | STEX | Options to Purchase Common Stock→ Common Stock (479,285) | 479,285 | Direct |
| July 20, 2015 | STEX | Options to Purchase Common Stock→ Common Stock (125,000) | 125,000 | Direct |
| July 20, 2015 | STEX | Options to Purchase Common Stock→ Common Stock (50,000) | 50,000 | Direct |