Nasdaq · CIK 0001881551
STI Solidion Technology Inc.
Insider trading from SEC Form 4. Last filing 26 d ago. Close $5.69 on Oct 9, 2026, +78% from the 52-week low and -84% from the high.
Solidion Technology Inc. (STI) has 20 SEC Form 4 filings on file from 9 insiders, the latest filed on Sep 17, 2026. In the last 90 days insiders made 3 open-market buys worth $50k and 0 open-market sells worth $0, net +$50k.
12 open-market trades have been scored at STI. The newest: Vlad Prantsevich (Chief Financial Officer) bought $7,344 of stock on Sep 14, 2026, filed Sep 16, 2026, scored 43 (moderate). The largest of the 12 shown: Henry Ikezi (10% owner) sold $12M on Jun 4, 2026, scored 50 (moderate). 3 insiders bought within 14 days of each other around Sep 14, 2026.
STI closed at $5.69 on Oct 9, 2026, 78% above its 52-week low and 84% below its 52-week high.
5 Form 144 notices of planned sales are on file, the latest filed Jun 4, 2026.
Last 90 days
Price and insider trades, last year
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
Open-market buys and sells at Solidion Technology Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 43Moderate | Vlad Prantsevich Chief Financial Officer buy | $7,344 1,030 shares | +42% | - | |
| 39Weak | Karin-Joyce Tjon director buy | $36k 5,000 shares | +9% | - | |
| 46Moderate | Jaymes Winters Chief Executive Officer buy | $6,996 984 shares | +26% | - | |
| 35Weak | Henry Ikezi owner buy | $644k 26,000 shares | +4% | +64% from low-82% from high | |
| 50Moderate | Henry Ikezi owner sell | $12M 394,888 shares | -55% | +637% from low-19% from high | |
| 50Moderate | Global Graphene Group, Inc. owner sell | $3.7M 175,000 shares | -10% | +637% from low-19% from high | |
| 12Weak | Global Graphene Group, Inc. owner sell | $10k 1,318 shares | -0% | +155% from low-81% from high | |
| 22Weak | Global Graphene Group, Inc. owner sell | $106k 10,000 shares | -1% | +258% from low-73% from high | |
| 24Weak | Global Graphene Group, Inc. owner sell | $183k 34,000 shares | -3% | +66% from low-88% from high | |
| 12Weak | Global Graphene Group, Inc. owner sell | $17k 5,018 shares | -0% | +7% from low-92% from high | |
| 12Weak | Global Graphene Group, Inc. owner sell | $21k 6,069 shares | -0% | +16% from low-91% from high | |
| 19Weak | Global Graphene Group, Inc. owner sell | $53k 500,000 shares | -1% | +33% from low-86% from high |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 4, 2026 | Global Graphene Group, Inc. 10% Stockholder | 269,342 3.48% of outstanding | $5.7M | Jun 4, 2026 | none |
| Nov 24, 2025 | Global Graphene Group, Inc. 10% Stockholder | 20,000 0.27% of outstanding | $218k | Nov 24, 2025 | $182k |
| Sep 12, 2025 | Global Graphene Group, Inc. 10% Stockholder | 4,000 0.14% of outstanding | $23k | Sep 12, 2025 | $178k |
| Sep 10, 2025 | Global Graphene Group, Inc. 10% Stockholder | 30,000 1.08% of outstanding | $161k | Sep 10, 2025 | $38k |
| Apr 25, 2025 | Global Graphene Group, Inc. Director, 10% Stockholder | 1,000,000 0.74% of outstanding | $110k | Apr 25, 2025 | none |
Transactions
Every row filed, 40 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | John Linzy Davis director | DDisposition to issuer Common Stock | -19,915 | $7.03 | $140k | 32,938 | 26 d ago |
| Sep 14, 2026 | Vlad Prantsevich Chief Financial Officer | JOther Common Stock | +2,425 | $0.00 | $0 | 2,425 | 27 d ago |
| Sep 14, 2026 | Vlad Prantsevich Chief Financial Officer | POpen-market purchase Common Stock | +1,030 | $7.13 | $7,344 | 3,455 | 27 d ago |
| Sep 14, 2026 | Karin-Joyce Tjon director | POpen-market purchase Common Stock | +5,000 | $7.20 | $36k | 58,053 | 28 d ago |
| Sep 9, 2026 | Jaymes Winters Chief Executive Officer | JOther Common Stock | +3,725 | $0.00 | $0 | 3,725 | 28 d ago |
| Sep 9, 2026 | Jaymes Winters Chief Executive Officer | POpen-market purchase Common Stock | +984 | $7.11 | $6,996 | 4,709 | 28 d ago |
| Sep 1, 2026 | John Linzy Davis director | AGrant or award Common Stock | +12,853 | $0.00 | $0 | 52,853 | 40 d ago |
| Sep 1, 2026 | Kimi L Ellen director | AGrant or award Common Stock | +4,296 | $0.00 | $0 | 4,296 | 40 d ago |
| Sep 1, 2026 | Dante W Robinson director | AGrant or award Common Stock | +4,296 | $0.00 | $0 | 4,296 | 40 d ago |
| Sep 1, 2026 | Mark N Schwartz director | AGrant or award Common Stock | +4,296 | $0.00 | $0 | 4,296 | 40 d ago |
| Sep 1, 2026 | Karin-Joyce Tjon director | AGrant or award Common Stock | +12,853 | $0.00 | $0 | 52,853 | 40 d ago |
| Sep 1, 2026 | Karin-Joyce Tjon director | JOther Common Stock | +200 | $0.00 | $0 | 53,053 | 40 d ago |
| Jun 3, 2026 | Henry Ikezi owner | POpen-market purchase Common Stockindirect: By Bayside Project LLC | +1,000 | $4.85 | $4,850 | 690,761 | Jun 11, 2026 |
| Jun 4, 2026 | Henry Ikezi owner | POpen-market purchase Common Stockindirect: By Bayside Project LLC | +23,000 | $24.66 | $567k | 713,761 | Jun 11, 2026 |
| Jun 4, 2026 | Henry Ikezi owner | SOpen-market sale Common Stockindirect: By Bayside Project LLC | -188,951 | $23.43 | $4.4M | 524,810 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | SOpen-market sale Common Stockindirect: By Bayside Project LLC | -13,500 | $44.89 | $606k | 511,310 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | JOther Common Stockindirect: By Madison Bond LLC, see Explanation of Responses | -214,037 | $0.00 | $0 | 2,544,329 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | JOther Common Stockindirect: By FUN Investment Homes LLC, see Explanation of Responses | +214,037 | $0.00 | $0 | 214,037 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | POpen-market purchase Common Stockindirect: By FUN Investment Homes LLC | +2,000 | $36.00 | $72k | 216,037 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | SOpen-market sale Common Stockindirect: By FUN Investment Homes LLC | -192,437 | $37.31 | $7.2M | 23,600 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | MOption exercise Common Stockindirect: By FUN Investment Homes LLC | +214,037 | $3.10 | $662k | 237,637 | Jun 11, 2026 |
| Jun 5, 2026 | Henry Ikezi owner | MOption exercise Series A Warrantsderivativeindirect: FUN Investment Homes LLC | +246,664 | $0.00 | $0 | 0 | Jun 11, 2026 |
| Jun 4, 2026 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -175,000 | $21.09 | $3.7M | 1,569,695 | Jun 5, 2026 |
| Dec 11, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -568 | $7.87 | $4,472 | 1,745,445 | Dec 15, 2025 |
| Dec 12, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -750 | $7.87 | $5,903 | 1,744,695 | Dec 15, 2025 |
| Nov 24, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -1,865 | $10.89 | $20k | 1,754,148 | Nov 26, 2025 |
| Nov 25, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -4,910 | $10.53 | $52k | 1,749,238 | Nov 26, 2025 |
| Nov 26, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -3,225 | $10.39 | $34k | 1,746,013 | Nov 26, 2025 |
| Oct 9, 2025 | Karin-Joyce Tjon director | AGrant or award Common Stock | +40,000 | $0.00 | $0 | 40,000 | Oct 15, 2025 |
| Oct 9, 2025 | John Linzy Davis director | AGrant or award Common Stock | +40,000 | $0.00 | $0 | 40,000 | Oct 14, 2025 |
| Oct 9, 2025 | Global Graphene Group, Inc. owner | JOther Common Stock | +450,000 | $5.08 | $2.3M | 1,756,013 | Oct 14, 2025 |
| Sep 10, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -23,468 | $5.38 | $126k | 1,316,545 | Sep 12, 2025 |
| Sep 11, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -6,532 | $5.25 | $34k | 1,310,013 | Sep 12, 2025 |
| Sep 12, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -4,000 | $5.67 | $23k | 1,306,013 | Sep 12, 2025 |
| Jun 13, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -5,018 | $3.40 | $17k | 1,340,013 | Jun 13, 2025 |
| Jun 10, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | +5,323 | $3.43 | $18k | 1,345,777 | Jun 12, 2025 |
| Jun 11, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -746 | $3.51 | $2,619 | 1,345,031 | Jun 12, 2025 |
| Apr 25, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -301,100 | $0.11 | $33k | 67,753,900 | Apr 29, 2025 |
| Apr 28, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -99,183 | $0.10 | $10k | 67,654,717 | Apr 29, 2025 |
| Apr 29, 2025 | Global Graphene Group, Inc. owner | SOpen-market sale Common Stock | -99,717 | $0.10 | $9,982 | 67,555,000 | Apr 29, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- John Linzy Davisdirector
- Kimi L Ellendirector
- Global Graphene Group, Inc.owner
- Henry Ikeziowner
- Vlad PrantsevichChief Financial Officer
- Dante W Robinsondirector
- Mark N Schwartzdirector
- Karin-Joyce Tjondirector
- Jaymes WintersChief Executive Officer
Questions about STI
Answered from the filings on this page, as of the latest one.
Are insiders buying STI?
As of Sep 17, 2026, SEC Form 4 filings show 3 open-market buys worth $50k by 3 insiders and 0 open-market sells worth $0 by 0 insiders at Solidion Technology Inc. in the last 90 days, net +$50k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade STI on the open market?
Vlad Prantsevich (Chief Financial Officer) bought $7,344 of STI on Sep 14, 2026 and filed the Form 4 on Sep 16, 2026. InsiderTell scored 43 (moderate), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at Solidion Technology Inc.?
9 people have filed a Form 4 at Solidion Technology Inc., among them John Linzy Davis (director), Kimi L Ellen (director), Global Graphene Group, Inc. (10% owner). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
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.