Paul S Madera
CIK 1255151 · View on SEC EDGAR ↗
Insider
First SEC filing: June 24, 2015 · Latest: June 24, 2015
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 30, 2015 | GKOS | C | 20,226 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-19) |
| June 30, 2015 | GKOS | C | 1,109,717 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-19) |
| June 30, 2015 | GKOS | C | 33,951 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-19) |
| June 30, 2015 | GKOS | C | 1,862,784 | — | — | 0 Indirect | -100.00% | Disposed | (price as of 2026-08-19) |
| June 30, 2015 | GKOS | C | 54,177 | — | — | 54,177 Indirect | — | Acquired | (price as of 2026-08-19) |
| June 30, 2015 | GKOS | C | 2,972,501 | — | — | 2,972,501 Indirect | — | Acquired | (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| June 30, 2015 | GKOS | Series F Convertible Preferred Stock | Common Stock (20,226) | — | — | 20,226 | Disposed |
| June 30, 2015 | GKOS | Series F Convertible Preferred Stock | Common Stock (1,109,717) | — | — | 1,109,717 | Disposed |
| June 30, 2015 | GKOS | Series E Convertible Preferred Stock | Common Stock (33,951) | — | — | 33,951 | Disposed |
| June 30, 2015 | GKOS | Series E Convertible Preferred Stock | Common Stock (1,862,784) | — | — | 1,862,784 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 24, 2015 | GKOS | Series E Convertible Preferred Stock→ Common Stock (1,862,784) | 1,862,784 | Indirect |
| June 24, 2015 | GKOS | Series E Convertible Preferred Stock→ Common Stock (33,951) | 33,951 | Indirect |
| June 24, 2015 | GKOS | Series F Convertible Preferred Stock→ Common Stock (1,109,717) | 1,109,717 | Indirect |
| June 24, 2015 | GKOS | Series F Convertible Preferred Stock→ Common Stock (20,226) | 20,226 | Indirect |