Insider · CIK 0001951275
Robert Ainscow
Files at ASPI (ASP Isotopes Inc.). First filing Apr 17, 2025, latest Sep 10, 2026.
Robert Ainscow files SEC Form 4 as COO and CEO at ASPI (ASP Isotopes Inc.). Since Apr 17, 2025, Robert Ainscow has reported 0 open-market buys worth $0 and 12 open-market sells worth $2.7M, the latest filed on Sep 10, 2026.
A track record needs three past buys with six months of prices behind them; Robert Ainscow has 0, so none is measured yet.
The newest scored trade: sold $36k of ASPI on Sep 8, 2026, filed Sep 10, 2026, scored 21 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 10 sells worth $1.5M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ASPI: ASP Isotopes 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™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 21Weak | ASP Isotopes Inc. | $36k 8,438 shares | -0% | - | |
| 25Weak | ASP Isotopes Inc. | $98k 25,000 shares | -1% | - | |
| 15Weak | ASP Isotopes Inc. | $59k 8,438 shares | -0% | +68% from low-51% from high | |
| 25Weak | ASP Isotopes Inc. | $117k 22,500 shares | -1% | +26% from low-64% from high | |
| 18Weak | ASP Isotopes Inc. | $113k 25,000 shares | -2% | +42% from low-61% from high | |
| 14Weak | ASP Isotopes Inc. | $46k 8,438 shares | -1% | +42% from low-61% from high | |
| 27Weak | ASP Isotopes Inc. | $52k 8,438 shares | -1% | +56% from low-56% from high | |
| 24Weak | ASP Isotopes Inc. | $144k 25,000 shares | -2% | +53% from low-57% from high | |
| 31Weak | ASP Isotopes Inc. | $507k 67,500 shares | -4% | +85% from low-48% from high | |
| 27Weak | ASP Isotopes Inc. | $306k 22,500 shares | -1% | +384% from low0% from high | |
| 8Weak | ASP Isotopes Inc. | $72k 8,438 shares | -1% | +238% from low-24% from high | |
| 38Weak | ASP Isotopes Inc. | $1.1M 200,000 shares | -12% | +127% from low-35% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 2, 2026 | ASPI ASP Isotopes Inc. | 25,000 0.02% of outstanding | $95k | Sep 2, 2026 | $59k |
| Jun 8, 2026 | ASPI ASP Isotopes Inc. | 8,438 0.01% of outstanding | $58k | Jun 8, 2026 | $117k |
| Apr 16, 2026 | ASPI ASP Isotopes Inc. | 22,500 0.02% of outstanding | $121k | Apr 16, 2026 | $159k |
| Apr 13, 2026 | ASPI ASP Isotopes Inc. | 25,000 0.02% of outstanding | $112k | Apr 13, 2026 | $46k |
| Mar 6, 2026 | ASPI ASP Isotopes Inc. | 8,438 0.01% of outstanding | $43k | Mar 6, 2026 | $52k |
| Dec 11, 2025 | ASPI ASP Isotopes Inc. | 8,438 0.01% of outstanding | $52k | Dec 8, 2025 | $1.0M |
| Nov 17, 2025 | ASPI ASP Isotopes Inc. | 67,500 0.06% of outstanding | $439k | Nov 17, 2025 | $378k |
| Oct 16, 2025 | ASPI ASP Isotopes Inc. | 22,500 0.02% of outstanding | $300k | Oct 14, 2025 | $72k |
| Sep 8, 2025 | ASPI ASP Isotopes Inc. | 8,438 0.01% of outstanding | $69k | Sep 8, 2025 | none |
| Apr 15, 2025 | ASPI ASP Isotopes Inc. | 200,000 0.28% of outstanding | $1.3M | Apr 15, 2025 | none |
Transactions
Every row this insider has filed, 25 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -8,438 | $4.29 | $36k | 2,248,441 | 33 d ago |
| Sep 2, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $3.91 | $98k | 2,256,879 | 39 d ago |
| Jun 8, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -8,438 | $7.00 | $59k | 2,281,879 | Jun 10, 2026 |
| May 28, 2026 | ASPI ASP Isotopes Inc. | AGrant or award Common Stock | +800,000 | - | - | 2,290,317 | Jun 3, 2026 |
| Apr 16, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -22,500 | $5.21 | $117k | 1,490,317 | Apr 17, 2026 |
| Mar 6, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $4.51 | $113k | 1,512,817 | Apr 13, 2026 |
| Mar 6, 2026 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -8,438 | $5.44 | $46k | 1,537,817 | Mar 6, 2026 |
| Dec 8, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -8,438 | $6.20 | $52k | 1,546,255 | Dec 11, 2025 |
| Nov 25, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -25,000 | $5.77 | $144k | 1,554,693 | Nov 28, 2025 |
| Nov 17, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -67,500 | $7.51 | $507k | 1,579,693 | Nov 19, 2025 |
| Oct 14, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -22,500 | $13.60 | $306k | 1,647,193 | Oct 16, 2025 |
| Sep 8, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -8,438 | $8.53 | $72k | 1,411,554 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Common Stock10b5-1 | +150,000 | $0.25 | $38k | 1,564,554 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | FTax withholding Common Stock10b5-1 | -4,396 | $8.53 | $37k | 1,557,158 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Common Stock10b5-1 | +12,000 | $2.00 | $24k | 1,569,158 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | FTax withholding Common Stock10b5-1 | -2,813 | $8.53 | $24k | 1,566,345 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Common Stock10b5-1 | +135,000 | $2.00 | $270k | 1,701,345 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | FTax withholding Common Stock10b5-1 | -31,652 | $8.53 | $270k | 1,669,693 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -150,000 | $0.00 | $0 | 0 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -12,000 | $0.00 | $0 | 0 | Sep 10, 2025 |
| Sep 9, 2025 | ASPI ASP Isotopes Inc. | MOption exercise Employee Stock Option (right to buy)derivative10b5-1 | -135,000 | $0.00 | $0 | 0 | Sep 10, 2025 |
| Apr 15, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -66,666 | $5.75 | $384k | 1,553,326 | Apr 17, 2025 |
| Apr 16, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -66,666 | $5.45 | $363k | 1,486,660 | Apr 17, 2025 |
| Apr 17, 2025 | ASPI ASP Isotopes Inc. | SOpen-market sale Common Stock10b5-1 | -66,668 | $5.62 | $375k | 1,419,992 | Apr 17, 2025 |
| Apr 14, 2025 | ASPI ASP Isotopes Inc. | AGrant or award Common Stock | +400,000 | - | - | 1,619,992 | Apr 15, 2025 |
Questions about Robert Ainscow
Answered from the filings on this page, as of the latest one.
Is Robert Ainscow buying or selling?
In the last 12 months Robert Ainscow reported 0 open-market buys worth $0 and 10 open-market sells worth $1.5M on SEC Form 4; the latest was sold $36k of ASPI on Sep 8, 2026. Grants, option exercises and tax withholding are not counted.
How did Robert Ainscow's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Robert Ainscow has 0.
Where does Robert Ainscow file Form 4?
Robert Ainscow has filed Form 4 at ASPI (ASP Isotopes Inc.) as COO. 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.