On this page
John D Halpern
Insider
First SEC filing: Dec. 5, 2022 · Latest: Dec. 5, 2022
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 2, 2022 | ERNAW | P | 671,840 | $0.12 | $80,621 | 671,840 Indirect | · | Acquired | -73.4% (price as of 2026-10-02) |
| Dec. 2, 2022 | ERNAW | P | 335,920 | $3.28 | $1,101,818 | 450,961 Indirect | +292.00% | Acquired | -99.0% (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 2, 2022 | ERNAW | Warrants (Right to Purchase) | Common Stock | $3.28 | Dec. 2, 2028 | 671,840 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).