Arthur Greenberg
CIK 1456615 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 2, 2009 · Latest: Sept. 2, 2009
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 5, 2016 | GALT | P | 1,666 | $1.72 | $2,866 | 109,445 Direct | +1.55% | Acquired | 107.8% (price as of 2026-08-20) |
| Aug. 19, 2014 | GALT | P | 1,000 | $4.56 | $4,560 | 96,667 Direct | +1.05% | Acquired | -21.6% (price as of 2026-08-20) |
| Nov. 19, 2013 | GALT | P | 2,000 | $6.55 | $13,100 | 95,667 Direct | +2.14% | Acquired | -45.4% (price as of 2026-08-20) |
| July 18, 2012 | GALT | P | 5,000 | $1.84 | $9,200 | 94,667 Direct | +5.58% | Acquired | 94.3% (price as of 2026-08-20) |
| April 17, 2012 | GALT | P | 3,000 | $2.84 | $8,520 | 89,667 Direct | +3.46% | Acquired | 25.9% (price as of 2026-08-20) |
| June 16, 2011 | GALT | P | 20,000 | $1.21 | $24,200 | 75,556 Direct | +36.00% | Acquired | -50.8% (price as of 2026-08-20) |
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. 15, 2016 | GALT | Stock option (right to buy) | Common stock (31,250) | $0.89 | Dec. 15, 2026 | 31,250 | Acquired |
| March 28, 2013 | GALT | Stock Option (right to buy) | Common Stock (16,714) | $3.59 | March 28, 2023 | 16,714 | Acquired |
| June 28, 2011 | GALT | Stock Option (Right to Buy) | Common Stock (50,848) | $1.18 | June 28, 2021 | 50,848 | Acquired |
| March 24, 2011 | GALT | Stock Option (Right to Buy) | Common Stock (55,556) | $1.08 | March 24, 2016 | 55,556 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.