19 transactions on file (0 open-market purchases and 2 open-market sales on this page).
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-12-09 | Da Shengwei (Sean) CEO · Director · 10% owner Grant / award | Grant / award | +16,000,000 | - | - | 16,000,000 |
| 2025-12-09 | Da Shengwei (Sean) CEO · Director · 10% owner Grant / award | Grant / award | +500,000 | - | - | 16,500,000 |
| 2025-12-09 | Da Shengwei (Sean) CEO · Director · 10% owner Grant / award | Grant / award | +550,000 | - | - | 17,050,000 |
| 2025-12-09 | Harraden Circle Investments, LLC 10% owner Open-market sale | Open-market sale | −98,520 | $14.03 | −1.38M | 365,027 |
| 2025-12-09 | Harraden Circle Investments, LLC 10% owner Open-market sale | Open-market sale | −26,548 | $14.74 | −391.43K | 338,479 |
14 more transactions are on Measure
The assistant answers from what AMCI has actually filed: 4 annual reports filed with the SEC. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
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Source
From SEC Form 4 filings, filed by officers, directors and 10%-owners within two business days of a transaction. “Indirect” holdings (a trust, an LLC, a family member) are included and not distinguished from direct ones in this table.
Past transactions say nothing about future ones, and none of this is investment advice.
Every Form 4 AMCI insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
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Each stake priced at the quarter it was filed, and diffed against the quarter before: who added, who trimmed, who left.
Every position they holdMeasure
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Whether this is one decision or a pattern, and how it compares with AMCI's own history of insider activity.
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