John E Repine
CIK 1067191 · View on SEC EDGAR ↗
First SEC filing: Nov. 13, 2007 · Latest: Nov. 13, 2007
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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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 9, 2007 | GTBP | A | 5,000 | — | — | 482,187 Direct | +1.05% | Acquired | (price as of 2026-08-18) |
| Nov. 6, 2006 | GTBP | A | 200,000 | — | — | 477,187 Direct | +72.15% | Acquired | (price as of 2026-08-18) |
| Nov. 6, 2006 | GTBP | A | 200,000 | — | — | 277,187 Direct | +259.11% | Acquired | (price as of 2026-08-18) |
| Nov. 6, 2006 | GTBP | A | 50,000 | $0.18 | $9,000 | 50,000 Direct | — | Acquired | -99.7% (price as of 2026-08-18) |
| Oct. 12, 2006 | GTBP | A | 9,787 | — | — | 77,187 Direct | +14.52% | Acquired | (price as of 2026-08-18) |
| Aug. 1, 2006 | GTBP | A | 5,000 | — | — | 67,400 Direct | +8.01% | Acquired | (price as of 2026-08-18) |
| Dec. 28, 2005 | GTBP | A | 30,000 | $0.29 | $8,700 | 62,400 Direct | +92.59% | Acquired | -99.8% (price as of 2026-08-18) |
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 |
|---|---|---|---|---|---|---|---|
| Nov. 9, 2007 | GTBP | Non-Qualified Stock Option (right to buy) | Common Stock (5,000) | $0.10 | Nov. 8, 2017 | 5,000 | Acquired |
| Nov. 6, 2006 | GTBP | Non-Qualified Stock Option (right to buy) | Common Stock (200,000) | $0.20 | Nov. 5, 2016 | 200,000 | Acquired |
| Nov. 6, 2006 | GTBP | Non-Qualified Stock Option (right to buy) | Common Stock (200,000) | $0.20 | Nov. 5, 2016 | 200,000 | Acquired |
| Oct. 12, 2006 | GTBP | Non-Qualified Stock Option (right to buy) | Common Stock (9,787) | $0.24 | Oct. 14, 2016 | 9,787 | Acquired |
| Aug. 1, 2006 | GTBP | Non-Qualified Stock Option | Common Stock (5,000) | $0.27 | July 31, 2016 | 5,000 | Acquired |
| Dec. 28, 2005 | GTBP | Non-Statutory Stock Option (right to purchase) | common stock (30,000) | $0.29 | Dec. 27, 2015 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 7, 2005 | GTBP | Non-Statutory Stock Option (Right to Purchase)→ Common Stock (30,000) | 30,000 | Direct |
| Oct. 7, 2005 | GTBP | Non-Statutory Stock Option (Right to Purchase)→ Common Stock (300) | 300 | Direct |
| Oct. 7, 2005 | GTBP | Non-Statutory Stock Option (Right to Purchase)→ Common Stock (300) | 300 | Direct |
| Oct. 7, 2005 | GTBP | Non-Statutory Stock Option (Right to Purchase)→ Common Stock (1,800) | 1,800 | Direct |