Paul Billings
CIK 1591558 · View on SEC EDGAR ↗
First SEC filing: Nov. 8, 2013 · Latest: Nov. 8, 2013
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 23, 2018 | CRDF | A | 54,322 | — | — | 175,658 Direct | +44.77% | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2018 | CRDF | M | 16,667 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 2, 2018 | CRDF | M | 16,667 | — | — | 23,165 Direct | +256.49% | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2018 | CRDF | M | 16,667 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-21) |
| Jan. 2, 2018 | CRDF | M | 16,667 | — | — | 16,667 Direct | — | Acquired | (price as of 2026-08-21) |
| Oct. 4, 2017 | CRDF | A | 38,106 | — | — | 121,336 Direct | +45.78% | Acquired | (price as of 2026-08-21) |
| Sept. 2, 2017 | CRDF | M | 6,498 | — | — | 16,667 Direct | -28.05% | Disposed | (price as of 2026-08-21) |
| Sept. 2, 2017 | CRDF | M | 6,498 | — | — | 6,498 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2017 | CRDF | A | 6,498 | — | — | 23,165 Direct | +38.99% | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2017 | CRDF | A | 16,667 | — | — | 16,667 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2017 | CRDF | A | 16,667 | — | — | 16,667 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 4, 2016 | CRDF | A | 16,000 | — | — | 83,230 Direct | +23.80% | Acquired | (price as of 2026-08-21) |
| March 17, 2015 | CRDF | A | 16,000 | — | — | 67,230 Direct | +31.23% | Acquired | (price as of 2026-08-21) |
| Dec. 11, 2014 | CRDF | A | 15,667 | — | — | 51,230 Direct | +44.05% | Acquired | (price as of 2026-08-21) |
| Feb. 25, 2014 | CRDF | A | 12,230 | — | — | 35,563 Direct | +52.42% | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Jan. 23, 2018 | CRDF | Stock Options | Common Stock (54,322) | $0.30 | Jan. 23, 2028 | 54,322 | Acquired |
| Jan. 2, 2018 | CRDF | Restricted Stock Units | Common Stock (16,667) | — | — | 16,667 | Disposed |
| Jan. 2, 2018 | CRDF | Restricted Stock Units | Common Stock (16,667) | — | — | 16,667 | Disposed |
| Oct. 4, 2017 | CRDF | Stock Options | Common Stock (38,106) | $0.72 | Oct. 4, 2027 | 38,106 | Acquired |
| Sept. 2, 2017 | CRDF | Restricted Stock Units | Common Stock (6,498) | — | — | 6,498 | Disposed |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock (6,498) | — | — | 6,498 | Acquired |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock (16,667) | — | — | 16,667 | Acquired |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock (16,667) | — | — | 16,667 | Acquired |
| Jan. 4, 2016 | CRDF | Stock Options | Common Stock (16,000) | $5.18 | Jan. 4, 2026 | 16,000 | Acquired |
| March 17, 2015 | CRDF | Stock Options | Common Stock (16,000) | $7.18 | March 17, 2025 | 16,000 | Acquired |
| Dec. 11, 2014 | CRDF | Stock Options | Common Stock (15,667) | $4.39 | Dec. 11, 2024 | 15,667 | Acquired |
| Feb. 25, 2014 | CRDF | Stock Options | Common Stock (12,230) | $6.22 | Feb. 25, 2024 | 12,230 | 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 |
|---|---|---|---|---|
| Nov. 8, 2013 | CRDF | Stock Options→ Common Stock (8,333) | 8,333 | Direct |