AXTI insider buying and SEC filings, explained
Axt Inc. · CIK 1051627
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$70.0M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 17, 2026 | Sale | Leonard J. Leblanc (Director) sold 4,000 shares at $96.07 ($384K). Holdings down 3% to 113,129 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Jun 10–Aug 7, 2026 | Sale | Leonard J. Leblanc (Director) sold 2,500 shares between Jun 10 and Aug 7 at about $88.57 ($221K). Holdings down 2% to 117,129 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Jun 15, 2026 | Sale | Jesse Chen (Director) sold 6,172 shares at about $115.24 ($711K). Holdings down 11% to 50,275 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 17, 2026 |
| Jun 15, 2026 | Sale | David C. Chang (Director) sold 8,333 shares at $111.17 ($926K). Holdings down 11% to 65,165 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 17, 2026 |
| Jun 11–12, 2026 | Sale | Jesse Chen (Director) sold 22,000 shares between Jun 11 and Jun 12 at about $92.82 ($2.0M). Holdings down 28% to 56,447 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 15, 2026 |
| Jun 8–10, 2026 | Sale | Jesse Chen (Director) sold 16,500 shares between Jun 8 and Jun 10 at about $89.97 ($1.5M). Holdings down 17% to 78,447 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Jun 3–4, 2026 | Sale | Jesse Chen (Director) sold 10,133 shares between Jun 3 and Jun 4 at about $109.50 ($1.1M). Holdings down 10% to 94,193 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 5, 2026 |
| Jun 2, 2026 | Sale | Morris S. Young (CEO and Director) sold 123,601 shares at about $113.33 ($14.0M). Holdings down 5% to 2,149,533 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 3, 2026 |
| Jun 1–2, 2026 | Sale | Jesse Chen (Director) sold 5,200 shares between Jun 1 and Jun 2 at about $111.36 ($579K). Holdings down 5% to 104,326 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 3, 2026 |
| Mar 13, 2026 | Sale | Morris S. Young (CEO and Director) sold 37,905 shares indirectly (by trust) at about $51.13 ($1.9M). Holdings by trust down 2% to 2,275,328 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 12–13, 2026 | Sale | Jesse Chen (Director) sold 14,086 shares between Mar 12 and Mar 13 at about $49.70 ($700K). Holdings down 11% to 109,526 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 12–13, 2026 | Sale | Gary L. Fischer (CFO) sold 89,032 shares between Mar 12 and Mar 13 at about $50.60 ($4.5M). Holdings down 32% to 191,278 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 10, 2026 | Sale | Morris S. Young (CEO and Director) sold 30,832 shares indirectly (by trust) at about $45.60 ($1.4M). Holdings by trust down 1% to 2,313,233 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Sale | David C. Chang (Director) sold 20,000 shares at $46.00 ($920K). Holdings down 22% to 72,744 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10–11, 2026 | Sale | Jesse Chen (Director) sold 29,000 shares between Mar 10 and Mar 11 at about $46.66 ($1.4M). Holdings down 19% to 123,612 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 6–9, 2026 | Sale | Jesse Chen (Director) sold 14,452 shares between Mar 6 and Mar 9 at about $37.54 ($543K). Holdings down 9% to 152,612 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 6–9, 2026 | Sale | Morris S. Young (CEO and Director) sold 134,193 shares indirectly (by trust) between Mar 6 and Mar 9 at about $36.70 ($4.9M). Holdings by trust down 5% to 2,344,065 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Mar 4–5, 2026 | Sale | David C. Chang (Director) sold 40,000 shares between Mar 4 and Mar 5 at about $38.48 ($1.5M). Holdings down 30% to 92,744 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 4–5, 2026 | Sale | Jesse Chen (Director) sold 19,947 shares between Mar 4 and Mar 5 at about $38.51 ($768K). Holdings down 11% to 167,064 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Mar 2–3, 2026 | Sale | Jesse Chen (Director) sold 22,327 shares between Mar 2 and Mar 3 at about $43.08 ($962K). Holdings down 11% to 187,011 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Mar 2, 2026 | Sale | Morris S. Young (CEO and Director) sold 159,536 shares indirectly (by trust) at about $43.32 ($6.9M). Holdings by trust down 6% to 2,482,038 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Mar 2, 2026 | Sale | Gary L. Fischer (CFO) sold 405,233 shares at about $41.46 ($16.8M). Holdings down 59% to 280,310 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Dec 9, 2025 | Sale | David C. Chang (Director) sold 25,000 shares indirectly (by trust) at about $14.84 ($371K). Holdings by trust down 16% to 132,744 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 10, 2025 |
| Dec 8, 2025 | Sale | Morris S. Young (CEO) sold 37,160 shares indirectly (by trust) at about $12.46 ($463K). Holdings by trust down 1% to 2,458,404 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 9, 2025 |
| Nov 28–Dec 2, 2025 | Sale | David C. Chang (Director) sold 50,000 shares indirectly (by trust) between Nov 28, 2025 and Dec 2, 2025 at about $11.53 ($576K). Holdings by trust down 24% to 157,744 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 2, 2025 |
| Nov 17, 2025 | Sale | Morris S. Young (CEO) sold 33,130 shares at about $10.40 ($345K). Holdings down 1% to 2,476,360 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 18, 2025 |
| Nov 13, 2025 | Sale | Gary L. Fischer (CFO) sold 101,297 shares at about $10.14 ($1.0M). Holdings down 22% to 361,997 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 13, 2025 |
| Nov 7, 2025 | Sale | Leonard J. Leblanc (Director) sold 3,637 shares at $8.41 ($31K). Holdings down 3% to 118,875 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
| Nov 6, 2025 | Sale | Gary L. Fischer (CFO) sold 22,675 shares at about $8.87 ($201K). Holdings down 5% to 463,294 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 5, 2025 | Sale | David C. Chang (Director) sold 100,000 shares at $8.94 ($894K). Holdings down 32% to 207,744 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 4–5, 2025 | Sale | Gary L. Fischer (CFO) sold 80,235 shares between Nov 4, 2025 and Nov 5, 2025 at about $8.82 ($708K). Holdings down 14% to 485,969 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
| Nov 3, 2025 | Sale | Morris S. Young (CEO) sold 80,000 shares indirectly (by trust) at about $8.65 ($692K). Holdings by trust down 3% to 2,439,490 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
20 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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