David Lamadrid
CIK 1368153 · View on SEC EDGAR ↗
First SEC filing: July 10, 2006 · Latest: July 10, 2006
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 6, 2011 | CTSO | S 10b5-1 | 12,500 | $0.22 | $2,750 | 7,837,500 Direct | -0.16% | Disposed | -93.5% (price as of 2026-08-19) |
| Nov. 20, 2009 | CTSO | S | 505,000 | $0.17 | $85,850 | 3,734 Direct | -99.27% | Disposed | -91.6% (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 |
|---|---|---|---|---|---|---|---|
| Sept. 6, 2011 | CTSO | Stock Option | Common Stock (12,500) | $0.04 | — | 12,500 | Disposed |
| May 5, 2010 | CTSO | Stock Option | Common Stock (2,750,000) | $0.14 | May 5, 2020 | 2,750,000 | Acquired |
| Jan. 4, 2010 | CTSO | Stock Option | Common Stock (400,000) | $0.17 | Jan. 4, 2020 | 400,000 | Acquired |
| Jan. 28, 2009 | CTSO | Stock Option | Common Stock (400,000) | $0.17 | Jan. 28, 2019 | 400,000 | Acquired |
| June 25, 2008 | CTSO | Employee Stock Option (Right to Buy) | Common Stock (2,750,000) | $0.04 | June 25, 2018 | 2,750,000 | Acquired |
| Jan. 16, 2008 | CTSO | Employee Stock Option (Right to Buy) | Common Stock (1,400,000) | $0.25 | Jan. 16, 2018 | 1,400,000 | Acquired |
| Jan. 16, 2008 | CTSO | Employee Stock Option (Right to Buy) | Common Stock (1,400,000) | $0.25 | Jan. 16, 2018 | 1,400,000 | Acquired |
| Jan. 16, 2007 | CTSO | Employee Stock Option (right to buy) | Common Stock (150,000) | $1.90 | Jan. 16, 2017 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 10, 2006 | CTSO | Common Stock | 501,704 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
CTSO
CFO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2013 | — | — | — | — | — | — | — | — |
| 2012 | $108,706 | — | — | — | — | — | — | $108,706 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.