Mark J Ahn
CIK 1296543 · View on SEC EDGAR ↗
First SEC filing: Dec. 15, 2016 · Latest: Dec. 15, 2016
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 31, 2015 | ABEO | P | 18,182 | $5.50 | $100,001 | 343,182 Direct | +5.59% | Acquired | -95.5% (price as of 2026-08-19) |
| Jan. 26, 2015 | ABEO | P | 25,000 | $0.01 | $250 | 25,000 Direct | — | Acquired | 2392.0% (price as of 2026-08-19) |
| Jan. 26, 2015 | ABEO | P | 25,000 | $4.00 | $100,000 | 25,000 Direct | — | Acquired | -93.8% (price as of 2026-08-19) |
| Jan. 27, 2014 | SLS | S | 796,765 | $4.83 | $3,848,375 | 113,764 Direct | -87.51% | Disposed | -100.0% (price as of 2026-08-19) |
| April 20, 2011 | SLS | P | 10,000 | $0.95 | $9,500 | 10,000 Direct | — | Acquired | -100.0% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 13, 2016 | ABEO | Stock option (right to buy) | Common stock (150,000) | $4.45 | Dec. 13, 2026 | 150,000 | Acquired |
| Nov. 8, 2016 | ABEO | Stock option (right to buy) | Common stock (150,000) | $2.31 | Feb. 11, 2026 | 150,000 | Acquired |
| Feb. 11, 2016 | ABEO | Stock option (right to buy) | Common stock (150,000) | $2.31 | Feb. 11, 2026 | 150,000 | Acquired |
| May 11, 2015 | ABEO | Stock option (right to buy) | Common stock (100,000) | $7.34 | May 11, 2025 | 100,000 | Acquired |
| May 11, 2015 | ABEO | Stock option (right to buy) | Common stock (100,000) | $7.34 | May 11, 2025 | 100,000 | Acquired |
| Jan. 26, 2015 | ABEO | Common Stock Purchase Warrants | Common Stock (25,000) | $5.00 | Dec. 24, 2019 | 25,000 | Acquired |
| Jan. 27, 2014 | SLS | Stock Option | Common Stock (50,000) | $2.31 | Jan. 13, 2021 | 50,000 | Disposed |
| Jan. 27, 2014 | SLS | Stock Option | Common Stock (100,000) | $1.38 | March 30, 2021 | 100,000 | Disposed |
| Jan. 27, 2014 | SLS | Stock Option | Common Stock (324,890) | $1.38 | March 30, 2021 | 324,890 | Disposed |
| Jan. 27, 2014 | SLS | Stock Option | Common Stock (200,000) | $0.72 | Jan. 12, 2022 | 200,000 | Disposed |
| Jan. 27, 2014 | SLS | Stock Option | Common Stock (121,875) | $1.71 | Jan. 29, 2023 | 121,875 | Disposed |
| Nov. 26, 2013 | SLS | Stock Option (right to buy) [F1] | Common Stock (600,000) | $3.88 | Nov. 26, 2023 | 600,000 | Acquired |
| Nov. 26, 2013 | SLS | Stock Option (right to buy) [F1] | Common Stock (600,000) | $3.88 | Nov. 26, 2023 | 600,000 | Acquired |
| Nov. 26, 2013 | SLS | Stock Option (right to buy) [F1] | Common Stock (200,000) | $3.88 | Nov. 26, 2023 | 200,000 | Acquired |
| Jan. 29, 2013 | SLS | Stock Option (right to buy) [F2] | Common Stock (650,000) | $1.71 | Jan. 29, 2023 | 650,000 | Acquired |
| March 31, 2011 | SLS | Stock Option [F1] | Common Stock (525,000) | $1.38 | March 30, 2021 | 525,000 | Acquired |
| March 31, 2011 | SLS | Stock Option [F1] | Common Stock (100,000) | — | March 30, 2021 | 100,000 | Acquired |
| Jan. 13, 2011 | SLS | Stock Option [F1] | Common Stock (50,000) | — | Jan. 13, 2021 | 50,000 | Acquired |
| May 26, 2010 | IOVA | Stock option (right to buy) | Common Stock (375,000) | $0.03 | May 26, 2017 | 375,000 | Acquired |
| Jan. 14, 2010 | SLS | Stock Option [F1] | Common Stock (50,000) | — | Jan. 14, 2020 | 50,000 | Acquired |
| Jan. 15, 2009 | SLS | Stock Option [F1] | Common Stock (50,000) | — | Jan. 15, 2009 | 50,000 | Acquired |
| April 18, 2008 | SLS | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (25,000) | $7.50 | April 18, 2018 | 25,000 | Acquired |
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 |
|---|---|---|---|---|
| April 8, 2010 | IOVA | Stock options (right to buy)→ Common Stock (375,000) | 375,000 | Direct |
| Feb. 14, 2008 | SLS | Common Stock | 10,000 | Direct |
| Feb. 14, 2008 | SLS | Non-Qualified Stock Option (right to buy) [F1]→ Common Stock (50,000) | 50,000 | Direct |
| Feb. 14, 2008 | SLS | Non-Qualified Stock Option (right to buy) [F1]→ Common Stock (25,000) | 25,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
SLS
President & CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2014 | $427,174 | — | — | — | — | — | $695,451 | $1,123,610 |
| 2013 | $487,030 | $250,000 | — | — | — | — | $693 | $3,099,363 |
| 2012 | $447,930 | $217,000 | — | — | — | — | $693 | $1,007,463 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.