Denis Corin
CIK 1405626 · View on SEC EDGAR ↗
Insider
First SEC filing: July 3, 2007 · Latest: July 3, 2007
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
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 23, 2011 | MRKR | S | 160,000 | $0.12 | $19,200 | 135,300 Indirect | -54.18% | Disposed | -99.9% (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. 14, 2009 | MRKR | Stock Options | Common stock (1,100,000) | $0.97 | Oct. 14, 2019 | 1,100,000 | Acquired |
| March 11, 2009 | MRKR | Purchase Warrants | Common Stock (150,000) | $0.01 | Aug. 15, 2009 | 150,000 | Acquired |
| March 11, 2009 | MRKR | Purchase Warrants | Common Stock (200,000) | $0.01 | Nov. 15, 2010 | 200,000 | Acquired |
| Feb. 4, 2009 | MRKR | Purchase Warrants | Common stock (14,458) | $2.00 | Feb. 4, 2011 | 14,458 | Acquired |
| June 30, 2008 | MRKR | Option to buy | Common Stock | $0.32 | June 24, 2018 | 1,000,000 | Disposed |
| June 24, 2008 | MRKR | Option to buy | Common Stock | $0.32 | June 24, 2018 | 1,000,000 | 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.