George Elston
CIK 1429932 · View on SEC EDGAR ↗
Insider
First SEC filing: March 17, 2008 · Latest: March 17, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2016 | CLDX | A | 10,000 | — | — | 28,500 Direct | +54.05% | Acquired | (price as of 2026-08-20) |
| June 8, 2016 | CLDX | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 10, 2015 | CLDX | A | 10,300 | — | — | 10,300 Direct | — | Acquired | (price as of 2026-08-20) |
| June 10, 2015 | CLDX | A | 6,500 | — | — | 18,500 Direct | +54.17% | Acquired | (price as of 2026-08-20) |
| June 4, 2014 | CLDX | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 4, 2014 | CLDX | A | 2,000 | — | — | 12,000 Direct | +20.00% | Acquired | (price as of 2026-08-20) |
| June 19, 2013 | CLDX | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 19, 2013 | CLDX | A | 2,000 | — | — | 10,000 Direct | +25.00% | Acquired | (price as of 2026-08-20) |
| June 20, 2012 | CLDX | A | 2,000 | — | — | 8,000 Direct | +33.33% | Acquired | (price as of 2026-08-20) |
| June 22, 2011 | CLDX | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Sept. 22, 2010 | CLDX | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 23, 2009 | CLDX | A | 2,000 | — | — | 2,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Sept. 25, 2008 | CLDX | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| June 8, 2016 | CLDX | Non-Qualified Stock Option (right to buy) [F2] | Common Stock (15,000) | $4.72 | June 8, 2026 | 15,000 | Acquired |
| June 10, 2015 | CLDX | Non-Qualified Stock Option (right to buy) [F2] | Common Stock (10,300) | $25.41 | June 10, 2025 | 10,300 | Acquired |
| June 4, 2014 | CLDX | Non-Qualified Stock Option (right to buy) [F2] | Common Stock (2,000) | $13.45 | June 4, 2024 | 2,000 | Acquired |
| June 19, 2013 | CLDX | Non-Qualified Stock Option (right to buy) [F2] | Common Stock (2,000) | $15.20 | June 19, 2023 | 2,000 | Acquired |
| Sept. 25, 2008 | CLDX | Non-Qualified Stock Option (right to buy) [F1] | Common Stock (12,000) | $11.65 | Sept. 25, 2018 | 12,000 | 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 |
|---|---|---|---|---|
| March 17, 2008 | CLDX | Stock Option (right to buy)→ Common Stock | — | Direct |