Errol R. Halperin
CIK 1591095 · View on SEC EDGAR ↗
Insider
First SEC filing: April 16, 2014 · Latest: April 16, 2014
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 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
7 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2018 | IMUX | S | 89,417 | $0.29 | $25,931 | 0 Direct | -100.00% | Disposed | -85.8% (price as of 2026-08-21) |
| Sept. 25, 2018 | IMUX | S | 10,000 | $0.29 | $2,900 | 0 Indirect | -100.00% | Disposed | -85.8% (price as of 2026-08-21) |
| Oct. 8, 2014 | IMUX | P | 1,667 | $17.50 | $29,172 | 10,000 Indirect | +20.00% | Acquired | -99.8% (price as of 2026-08-21) |
| Oct. 8, 2014 | IMUX | P | 3,809 | $17.50 | $66,658 | 89,417 Direct | +4.45% | Acquired | -99.8% (price as of 2026-08-21) |
| April 23, 2014 | IMUX | P | 6,191 | $12.00 | $74,292 | 6,191 Indirect | — | Acquired | -99.7% (price as of 2026-08-21) |
| April 23, 2014 | IMUX | P | 8,333 | $12.00 | $99,996 | 8,333 Indirect | — | Acquired | -99.7% (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 |
|---|---|---|---|---|---|---|---|
| May 23, 2018 | IMUX | Stock Option (right to buy) | Common Stock (29,538) | $6.10 | May 22, 2028 | 29,538 | Acquired |
| May 23, 2017 | IMUX | Stock Option (right to buy) | Common Stock (45,022) | $3.20 | May 22, 2027 | 45,022 | Acquired |
| March 24, 2015 | IMUX | Stock Option (right to buy) | Common Stock (5,604) | $26.13 | March 23, 2025 | 5,604 | Acquired |
| April 23, 2014 | IMUX | Senior Convertible Preferred Stock | Common Stock (39,417) | — | — | 39,417 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 16, 2014 | IMUX | Common Stock | 40,000 | Direct |
| April 16, 2014 | IMUX | Senior Convertible Preferred Stock→ Common Stock (39,417) | 39,417 | Indirect |
| April 16, 2014 | IMUX | Non-Qualified Stock Option (right to buy)→ Common Stock (10,175) | 10,175 | Direct |
| April 16, 2014 | IMUX | Non-Qualified Stock Option (right to buy)→ Common Stock (20,667) | 20,667 | Direct |
| April 16, 2014 | IMUX | Non-Qualified Stock Option (right to buy)→ Common Stock (8,857) | 8,857 | Direct |