Mark J Foley
CIK 1529196 · View on SEC EDGAR ↗
Insider
First SEC filing: June 17, 2019 · Latest: June 17, 2019
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 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 |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 | GKOS | A | 2,987 | — | — | 2,987 Direct | — | Acquired | (price as of 2026-08-19) |
| May 28, 2026 | GKOS | A | 2,987 | — | — | 2,987 Direct | — | Acquired | (price as of 2026-08-19) |
| May 28, 2026 | GKOS | A | 1,878 | — | — | 60,267 Direct | +3.22% | Acquired | (price as of 2026-08-19) |
| June 2, 2022 | GKOS | A | 4,364 | — | — | 21,602 Direct | +25.32% | Acquired | (price as of 2026-08-19) |
| Jan. 3, 2022 | GKOS | A | 2,486 | — | — | 17,238 Direct | +16.85% | Acquired | (price as of 2026-08-19) |
| June 3, 2021 | GKOS | A | 2,382 | — | — | 14,752 Direct | +19.26% | Acquired | (price as of 2026-08-19) |
| Jan. 4, 2021 | GKOS | A | 1,184 | — | — | 12,370 Direct | +10.58% | Acquired | (price as of 2026-08-19) |
| June 3, 2020 | GKOS | A | 3,900 | — | — | 11,186 Direct | +53.53% | Acquired | (price as of 2026-08-19) |
| May 30, 2019 | GKOS | A | 2,653 | — | — | 7,286 Direct | +57.26% | Acquired | (price as of 2026-08-19) |
| July 23, 2015 | GKOS | A | 25,000 | — | — | 25,000 Direct | — | 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 |
|---|---|---|---|---|---|---|---|
| May 28, 2026 | GKOS | Stock Option (Right to Buy) | Common Stock (2,987) | — | May 28, 2036 | 2,987 | Acquired |
| May 28, 2026 | GKOS | Stock Option (Right to Buy) | Common Stock (2,987) | $53.57 | May 28, 2036 | 2,987 | Acquired |
| July 23, 2015 | GKOS | Stock option (right to buy) | Common Stock (25,000) | $32.00 | July 23, 2025 | 25,000 | 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.