Arthur T Porter
CIK 1237144 · View on SEC EDGAR ↗
First SEC filing: March 5, 2007 · Latest: March 5, 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2010 | FENC | A | 0 | — | — | 4,603,668 Direct | 0.00% | Acquired | (price as of 2026-08-19) |
| April 30, 2007 | FENC | A | 170,000 | — | — | 170,000 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Aug. 18, 2010 | FENC | Stock Options (right to buy) [F1] | Common Stock (4,603,668) | — | Aug. 18, 2017 | 0 | Acquired |
| April 30, 2007 | FENC | Stock Options (Right to buy) | Common Stock (170,000) | $0.63 | April 30, 2014 | 170,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 7 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (50,000) | 50,000 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (2,500) | 2,500 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (18,621) | 18,621 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (30,000) | 30,000 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (2,000) | 2,000 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (4,000) | 4,000 | Direct |
| March 5, 2007 | FENC | Stock Options (Right to buy)→ Common Stock (18,621) | 18,621 | Direct |