Philip Darivoff
CIK 1690551 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 13, 2017 · Latest: Jan. 13, 2017
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 1 non-open-market transaction 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
1 other filing hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 8, 2017 | GCTK | P | 222,223 | — | — | 222,223 Indirect | — | Acquired | (price as of 2026-08-20) |
| March 8, 2017 | GCTK | P | 222,223 | — | — | 222,223 Indirect | — | Acquired | (price as of 2026-08-20) |
| March 8, 2017 | GCTK | P | 1,000 | — | — | 1,000 Indirect | — | Acquired | (price as of 2026-08-20) |
| Nov. 30, 2016 | GCTK | P | 66,667 | — | — | 66,667 Indirect | — | Acquired | (price as of 2026-08-20) |
| Nov. 30, 2016 | GCTK | P | 66,667 | — | — | 66,667 Indirect | — | Acquired | (price as of 2026-08-20) |
| Nov. 30, 2016 | GCTK | P | 300 | — | — | 300 Indirect | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| March 8, 2017 | GCTK | Series C-2 Warrants | Common Stock, par value $0.001 per share | — | March 8, 2022 | 222,223 | Acquired |
| March 8, 2017 | GCTK | Series C-1 Warrants | Common Stock, par value $0.001 per share | — | March 8, 2022 | 222,223 | Acquired |
| March 8, 2017 | GCTK | Series C 5.5% Convertible Preferred Stock | Common Stock, par value $0.001 per share | — | — | 1,000 | Acquired |
| Nov. 30, 2016 | GCTK | Series C-2 Warrants | Common Stock, par value $0.001 per share | — | Nov. 30, 2021 | 66,667 | Acquired |
| Nov. 30, 2016 | GCTK | Series C-1 Warrants | Common Stock, par value $0.001 per share | — | Nov. 30, 2021 | 66,667 | Acquired |
| Nov. 30, 2016 | GCTK | Series C 5.5% Convertible Preferred Stock | Common Stock, par value $0.001 per share | — | — | 300 | Acquired |
| Nov. 15, 2016 | GCTK | Options (Right to Buy) | Common Stock, par value $0.001 per share (26,666) | $4.50 | Nov. 15, 2026 | 26,666 | 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 |
|---|---|---|---|---|
| Jan. 13, 2017 | GCTK | Common Stock, par value $0.001 per share | 414,372 | Indirect |
| Jan. 13, 2017 | GCTK | Series B Preferred Stock→ Common Stock, par value $0.001 per share | — | Indirect |
| Jan. 13, 2017 | GCTK | Series B-1 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Jan. 13, 2017 | GCTK | Series B-1 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Jan. 13, 2017 | GCTK | Series B-2 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Jan. 13, 2017 | GCTK | Series B-2 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Nov. 21, 2016 | GCTK | Common Stock, par value $0.001 per share | 414,372 | Indirect |
| Nov. 21, 2016 | GCTK | Series B Preferred Stock→ Common Stock, par value $0.001 per share | — | Indirect |
| Nov. 21, 2016 | GCTK | Series B-1 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Nov. 21, 2016 | GCTK | Series B-1 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Nov. 21, 2016 | GCTK | Series B-2 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |
| Nov. 21, 2016 | GCTK | Series B-2 Warrant→ Common Stock, par value $0.001 per share | — | Indirect |