Insider · CIK 0001657622
Gilbert E Nathan
Files at ALTO (Alto Ingredients, Inc.), MX (MAGNACHIP SEMICONDUCTOR Corp), RC (Ready Capital Corp). First filing Nov 15, 2024, latest Sep 14, 2026.
Gilbert E Nathan files SEC Form 4 as director at ALTO (Alto Ingredients, Inc.), and also at MX (MAGNACHIP SEMICONDUCTOR Corp), RC (Ready Capital Corp). Since Nov 15, 2024, Gilbert E Nathan has reported 6 open-market buys worth $440k and 0 open-market sells worth $0, the latest filed on Sep 14, 2026.
A track record needs three past buys with six months of prices behind them; Gilbert E Nathan has 1, so none is measured yet.
The newest scored trade: bought $39k of ALTO on Sep 14, 2026, filed Sep 14, 2026, scored 29 (weak). In the last 12 months: 5 buys worth $400k and 0 sells worth $0.
Where the trades landed
Last year at the 3 companies this insider has traded most, with each buy and sell on the bar it happened.
ALTO: Alto Ingredients, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
MX: MAGNACHIP SEMICONDUCTOR Corp
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
RC: Ready Capital Corp
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 29Weak | ALTObuy Alto Ingredients, Inc. | $39k 10,000 shares | +1% | +330% from low-34% from high | |
| 29Weak | ALTObuy Alto Ingredients, Inc. | $114k 25,000 shares | +3% | +463% from low-23% from high | |
| 39Weak | MXbuy MAGNACHIP SEMICONDUCTOR Corp | $63k 21,994 shares | +16% | +26% from low-35% from high | |
| 39Weak | MXbuy MAGNACHIP SEMICONDUCTOR Corp | $105k 38,006 shares | +39% | +22% from low-37% from high | |
| 38Weak | RCbuy Ready Capital Corp | $79k 40,000 shares | +34% | +26% from low-58% from high | |
| 36Weak | Alto Ingredients, Inc. | $40k 30,000 shares | +4% | - |
Transactions
Every row this insider has filed, 16 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | ALTO Alto Ingredients, Inc. | POpen-market purchase Common Stock | +10,000 | $3.93 | $39k | 866,393 | 29 d ago |
| Jun 23, 2026 | ALTO Alto Ingredients, Inc. | AGrant or award Common Stock | +31,652 | $0.00 | $0 | 806,393 | Jun 25, 2026 |
| May 12, 2026 | ALTO Alto Ingredients, Inc. | POpen-market purchase Common Stock | +20,000 | $4.61 | $92k | 769,741 | May 14, 2026 |
| May 13, 2026 | ALTO Alto Ingredients, Inc. | POpen-market purchase Common Stock | +5,000 | $4.45 | $22k | 774,741 | May 14, 2026 |
| Mar 16, 2026 | MX MAGNACHIP SEMICONDUCTOR Corp | POpen-market purchase Common Stockindirect: By GT Investments II Corp | +21,994 | $2.87 | $63k | 158,200 | Mar 17, 2026 |
| Mar 12, 2026 | MX MAGNACHIP SEMICONDUCTOR Corp | POpen-market purchase Common Stockindirect: By GT Investments II Corp | +25,000 | $2.75 | $69k | 123,200 | Mar 16, 2026 |
| Mar 13, 2026 | MX MAGNACHIP SEMICONDUCTOR Corp | POpen-market purchase Common Stockindirect: By GT Investments II Corp | +13,006 | $2.79 | $36k | 136,206 | Mar 16, 2026 |
| Mar 5, 2026 | RC Ready Capital Corp | POpen-market purchase Common Stock | +10,000 | $2.02 | $20k | 128,106 | Mar 9, 2026 |
| Mar 5, 2026 | RC Ready Capital Corp | AGrant or award Common Stock | +58,252 | $0.00 | $0 | 186,358 | Mar 9, 2026 |
| Mar 6, 2026 | RC Ready Capital Corp | POpen-market purchase Common Stock | +30,000 | $1.95 | $58k | 216,358 | Mar 9, 2026 |
| Feb 15, 2026 | MX MAGNACHIP SEMICONDUCTOR Corp | AGrant or award Common Stock | +1,478 | $0.00 | $0 | 214,491 | Feb 17, 2026 |
| Nov 15, 2025 | MX MAGNACHIP SEMICONDUCTOR Corp | AGrant or award Common Stock | +6,320 | $0.00 | $0 | 213,013 | Nov 17, 2025 |
| Jul 9, 2025 | ALTO Alto Ingredients, Inc. | AGrant or award Common Stock | +49,166 | $0.00 | $0 | 749,741 | Jul 11, 2025 |
| Jul 1, 2025 | MX MAGNACHIP SEMICONDUCTOR Corp | AGrant or award Common Stock | +50,650 | $0.00 | $0 | 206,693 | Jul 3, 2025 |
| Nov 13, 2024 | ALTO Alto Ingredients, Inc. | POpen-market purchase Common Stock | +25,000 | $1.34 | $33k | 700,575 | Nov 15, 2024 |
| Nov 13, 2024 | ALTO Alto Ingredients, Inc. | POpen-market purchase Common Stockindirect: by spouse | +5,000 | $1.33 | $6,625 | 31,200 | Nov 15, 2024 |
Questions about Gilbert E Nathan
Answered from the filings on this page, as of the latest one.
Is Gilbert E Nathan buying or selling?
In the last 12 months Gilbert E Nathan reported 5 open-market buys worth $400k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $39k of ALTO on Sep 14, 2026. Grants, option exercises and tax withholding are not counted.
How did Gilbert E Nathan's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Gilbert E Nathan has 1.
Where does Gilbert E Nathan file Form 4?
Gilbert E Nathan has filed Form 4 at ALTO (Alto Ingredients, Inc.); MX (MAGNACHIP SEMICONDUCTOR Corp); RC (Ready Capital Corp). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.