Kwang Soo Cheong
CIK 1361686 · View on SEC EDGAR ↗
First SEC filing: June 13, 2007 · Latest: June 13, 2007
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Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2008 | IRD | P | 3,000 | $2.25 | $6,750 | 3,000 Direct | — | Acquired | -99.6% (price as of 2026-08-21) |
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 6, 2019 | IRD | Stock Option (right to buy) | Common Stock (3,537) | $5.23 | June 6, 2029 | 3,537 | Acquired |
| June 28, 2018 | IRD | Stock Option (right to buy) | Common Stock (39,742) | $1.46 | June 28, 2028 | 39,742 | Acquired |
| April 11, 2017 | IRD | Stock Option (right to buy) | Common Stock (110,000) | $0.62 | April 11, 2027 | 110,000 | Acquired |
| June 9, 2016 | IRD | Stock Option (right to buy) | Common Stock (225,000) | $0.28 | June 9, 2026 | 225,000 | Acquired |
| Sept. 16, 2015 | IRD | Stock Option (right to buy) | Common Stock (90,000) | $0.54 | Sept. 16, 2025 | 90,000 | Acquired |
| June 9, 2014 | IRD | Stock Option (right to buy) | Common Stock (60,000) | $0.90 | June 9, 2024 | 60,000 | Acquired |
| June 11, 2013 | IRD | Stock Options (right-to-buy) | Common Stock (60,000) | $0.50 | June 11, 2023 | 60,000 | Acquired |
| June 18, 2012 | IRD | Stock Options (right-to-buy) | Common Stock (20,000) | $0.38 | June 18, 2022 | 20,000 | Acquired |
| June 6, 2011 | IRD | Stock Options (right-to-buy) | Common Stock (20,000) | $1.25 | June 6, 2021 | 20,000 | Acquired |
| June 14, 2010 | IRD | Stock Options (right-to-buy) | Common Stock (20,000) | $1.17 | June 14, 2020 | 20,000 | Acquired |
| June 1, 2009 | IRD | Stock Options (right to buy) | Common Stock (20,000) | $1.28 | June 1, 2019 | 20,000 | Acquired |
| June 30, 2008 | IRD | Stock Options (right to buy) | Common Stock (20,000) | $3.24 | June 30, 2018 | 20,000 | Acquired |
| June 11, 2007 | IRD | Stock Option (Right to Buy) | Common Stock (20,000) | $1.40 | June 11, 2017 | 20,000 | Acquired |
| May 1, 2006 | IRD | Stock option (right to buy) | Common stock (20,000) | $1.20 | May 1, 2016 | 20,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).