David Malka
First SEC filing: Aug. 24, 2012 · Latest: Aug. 24, 2012
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 |
|---|---|---|---|---|---|---|---|---|---|
| April 13, 2017 | GCTK | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 13, 2017 | GCTK | A | 266,617 | · | · | 266,617 Direct | · | Acquired | (price as of 2026-10-02) |
| April 13, 2017 | GCTK | A | 361,875 | · | · | 361,875 Direct | · | Acquired | (price as of 2026-10-02) |
| March 11, 2015 | GCTK | J | 61,471 | · | · | 123,695 Indirect | -33.20% | Disposed | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| April 13, 2017 | GCTK | Option (Right to Buy) | Common Stock, par value $0.001 per share | $4.50 | · | 25,000 | Acquired |
| April 13, 2017 | GCTK | Option (Right to Buy) | Common Stock, par value $0.001 per share | $7.75 | April 13, 2027 | 266,617 | Acquired |
| April 13, 2017 | GCTK | Option (Right to Buy) | Common Stock, par value $0.001 per share | $4.50 | April 13, 2027 | 361,875 | 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.
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 |
|---|---|---|---|---|---|---|---|---|
| 2012 | $85,914 | · | · | $75,615 | · | · | $19,282 | $180,811 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.