Insider Trades58 trades
| Date↓ | Side | Ticker↕ | Insider↕ | Role↕ | Shares↕ | Price↕ | Mkt Cap↕ | 52W High↕ | 52W Low↕ | Value↕ | % Chg↕ | Rule↕ | AI View↕ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 13,233 | $21.45 | $937.7M | -29.60% | +32.23% | $283.9K | -0.88% | 10b5-1 | Stalk |
| Mar 15, 2026 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 1,033 | $18.18 | $937.7M | -29.60% | +32.23% | $18.8K | -0.84% | — | Stalk |
| Mar 15, 2026 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,225 | $18.18 | $937.7M | -29.60% | +32.23% | $22.3K | -0.71% | — | Stalk |
| Mar 15, 2026 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 1,973 | $18.18 | $937.7M | -29.60% | +32.23% | $35.9K | -1.11% | — | Stalk |
| Mar 15, 2026 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 12,692 | $18.18 | $937.7M | -29.60% | +32.23% | $230.7K | -0.30% | — | Stalk |
| Mar 10, 2026 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 1,870 | $18.91 | $937.7M | -29.60% | +32.23% | $35.4K | -0.94% | — | Stalk |
| Mar 10, 2026 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 2,215 | $18.91 | $937.7M | -29.60% | +32.23% | $41.9K | -0.86% | — | Stalk |
| Mar 10, 2026 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 3,297 | $18.91 | $937.7M | -29.60% | +32.23% | $62.3K | -1.09% | — | Stalk |
| Mar 10, 2026 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 19,180 | $18.91 | $937.7M | -29.60% | +32.23% | $362.7K | -0.40% | — | Stalk |
| Mar 6, 2026 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 1,144 | $19.34 | $937.7M | -29.60% | +32.23% | $22.1K | -1.26% | — | Stalk |
| Mar 6, 2026 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,357 | $19.34 | $937.7M | -29.60% | +32.23% | $26.2K | -0.99% | — | Stalk |
| Mar 6, 2026 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 2,146 | $19.34 | $937.7M | -29.60% | +32.23% | $41.5K | -1.73% | — | Stalk |
| Mar 6, 2026 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 10,850 | $19.34 | $937.7M | -29.60% | +32.23% | $209.8K | -0.27% | — | Stalk |
| Mar 4, 2026 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 965 | $19.96 | $937.7M | -29.60% | +32.23% | $19.3K | -1.06% | — | Stalk |
| Mar 4, 2026 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,124 | $19.96 | $937.7M | -29.60% | +32.23% | $22.4K | -0.81% | — | Stalk |
| Mar 4, 2026 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 1,744 | $19.96 | $937.7M | -29.60% | +32.23% | $34.8K | -1.39% | — | Stalk |
| Mar 4, 2026 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 8,201 | $19.96 | $937.7M | -29.60% | +32.23% | $163.7K | -0.20% | — | Stalk |
| Dec 17, 2025 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 19,574 | $18.76 | $937.7M | -29.60% | +32.23% | $367.3K | +0.00% | — | Stalk |
| Jun 13, 2025 | Buy | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 200,000 | $13.03 | $937.7M | -29.60% | +32.23% | $2.6M | +7.01% | — | Stalk |
| May 19, 2025 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 273 | $24.79 | $937.7M | -29.60% | +32.23% | $6.8K | -0.22% | — | Stalk |
| Mar 15, 2025 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 2,762 | $27.31 | $937.7M | -29.60% | +32.23% | $75.4K | -1.48% | — | Stalk |
| Mar 15, 2025 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 3,189 | $27.30 | $937.7M | -29.60% | +32.23% | $87.0K | -1.14% | — | Stalk |
| Mar 15, 2025 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 4,972 | $27.28 | $937.7M | -29.60% | +32.23% | $135.6K | -1.92% | — | Stalk |
| Mar 14, 2025 | Buy | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 927,885 | $20.21 | $937.7M | -29.60% | +32.23% | $18.8M | +0.48% | — | Stalk |
| Mar 6, 2025 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 1,141 | $28.32 | $937.7M | -29.60% | +32.23% | $32.3K | -1.54% | — | Stalk |
| Mar 6, 2025 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,354 | $28.32 | $937.7M | -29.60% | +32.23% | $38.3K | -1.15% | — | Stalk |
| Mar 6, 2025 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 2,141 | $28.32 | $937.7M | -29.60% | +32.23% | $60.6K | -2.24% | — | Stalk |
| Mar 6, 2025 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 12,714 | $28.32 | $937.7M | -29.60% | +32.23% | $360.1K | -0.35% | — | Stalk |
| Mar 4, 2025 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 963 | $27.62 | $937.7M | -29.60% | +32.23% | $26.6K | -1.29% | — | Stalk |
| Mar 4, 2025 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,121 | $27.62 | $937.7M | -29.60% | +32.23% | $31.0K | -0.95% | — | Stalk |
| Mar 4, 2025 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 8,179 | $27.62 | $937.7M | -29.60% | +32.23% | $225.9K | -0.23% | — | Stalk |
| Mar 4, 2025 | Buy | AMPH | William J Peters | CFO, EVP & TREASURER | 13,460 | $19.65 | $937.7M | -29.60% | +32.23% | $264.5K | +0.52% | 10b5-1 | Stalk |
| Dec 12, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 30,000 | $28.09 | $937.7M | -29.60% | +32.23% | $842.8K | +0.00% | — | Stalk |
| Nov 12, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 13,786 | $31.91 | $937.7M | -29.60% | +32.23% | $440.0K | +0.00% | — | Stalk |
| Nov 11, 2024 | Sell | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 250,000 | $48.57 | $937.7M | -29.60% | +32.23% | $12.1M | -6.47% | — | Stalk |
| Nov 6, 2024 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 10,428 | $32.54 | $937.7M | -29.60% | +32.23% | $339.3K | +0.00% | 10b5-1 | Stalk |
| Nov 6, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 14,852 | $32.54 | $937.7M | -29.60% | +32.23% | $483.3K | +0.00% | 10b5-1 | Stalk |
| Sep 13, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 6,000 | $31.61 | $937.7M | -29.60% | +32.23% | $189.6K | +0.00% | — | Stalk |
| Sep 13, 2024 | Buy | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 100,000 | $14.69 | $937.7M | -29.60% | +32.23% | $1.5M | +3.54% | — | Stalk |
| Aug 26, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 8,000 | $31.65 | $937.7M | -29.60% | +32.23% | $253.2K | +0.00% | — | Stalk |
| Jul 31, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 20,564 | $32.23 | $937.7M | -29.60% | +32.23% | $662.8K | +0.00% | 10b5-1 | Stalk |
| Jun 27, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 3,596 | $40.93 | $937.7M | -29.60% | +32.23% | $147.2K | -1.87% | 10b5-1 | Stalk |
| Jun 10, 2024 | Buy | AMPH | Jack Y. Zhang | CEO & CHIEF SCIENTIFIC OFFICER | 100,000 | $14.69 | $937.7M | -29.60% | +32.23% | $1.5M | +3.54% | — | Stalk |
| Jun 4, 2024 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 272 | $42.22 | $937.7M | -29.60% | +32.23% | $11.5K | -0.36% | — | Stalk |
| May 19, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 387 | $43.48 | $937.7M | -29.60% | +32.23% | $16.8K | -0.40% | — | Stalk |
| Mar 15, 2024 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 4,424 | $43.05 | $937.7M | -29.60% | +32.23% | $190.5K | -1.89% | — | Stalk |
| Mar 15, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 5,535 | $43.05 | $937.7M | -29.60% | +32.23% | $238.3K | -1.51% | — | Stalk |
| Mar 15, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 11,645 | $43.05 | $937.7M | -29.60% | +32.23% | $501.3K | -3.66% | — | Stalk |
| Mar 15, 2024 | Buy | AMPH | Jack Y. Zhang | CEO & Chief Scientific Officer | 1,667,175 | $24.10 | $937.7M | -29.60% | +32.23% | $40.2M | +3.55% | — | Stalk |
| Mar 6, 2024 | Sell | AMPH | Yakob Liawatidewi | EVP CORP ADMIN CENTER | 1,221 | $46.31 | $937.7M | -29.60% | +32.23% | $56.5K | -1.52% | — | Stalk |
| Mar 6, 2024 | Sell | AMPH | Rong Zhou | SENIOR EVP, PRODUCTION CENTER | 1,390 | $46.31 | $937.7M | -29.60% | +32.23% | $64.4K | -1.11% | — | Stalk |
| Mar 6, 2024 | Sell | AMPH | Jack Y. Zhang | CEO & Chief Scientific Officer | 10,021 | $46.31 | $937.7M | -29.60% | +32.23% | $464.1K | -0.31% | — | Stalk |
| Mar 6, 2024 | Sell | AMPH | William J Peters | CFO, EVP & TREASURER | 29,152 | $35.82 | $937.7M | -29.60% | +32.23% | $1.0M | -1.95% | 10b5-1 | Stalk |
| Jan 10, 2024 | Sell | AMPH | Mary Z. Luo | COO,Chief Scientist & Chairman | 131,386 | $54.59 | $937.7M | -29.60% | +32.23% | $7.2M | -2.85% | 10b5-1 | Stalk |
| Jan 8, 2024 | Sell | AMPH | Mary Z. Luo | COO,Chief Scientist & Chairman | 219,800 | $58.23 | $937.7M | -29.60% | +32.23% | $12.8M | -1.63% | 10b5-1 | Stalk |
| Dec 1, 2023 | Sell | AMPH | Rong Zhou | Senior EVP, Production Center | 15,660 | $37.12 | $937.7M | -29.60% | +32.23% | $581.2K | +0.00% | — | Stalk |
| Nov 14, 2023 | Sell | AMPH | William J Peters | CFO, EVP & Treasurer | 118,500 | $35.64 | $937.7M | -29.60% | +32.23% | $4.2M | +0.00% | 10b5-1 | Stalk |
| Sep 6, 2023 | Sell | AMPH | William J Peters | CFO, EVP & Treasurer | 117,243 | $34.97 | $937.7M | -29.60% | +32.23% | $4.1M | -0.58% | 10b5-1 | Stalk |