$1.46
−2.01%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-23.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jun 9, 2026 | chiang yao-chung · director | Purchase | 3,500 | $2.05 |
| Jun 5, 2026 | chiang yao-chung · director | Purchase | 2,000 | $2.13 |
| Jun 1, 2026 | chiang yao-chung · director | Purchase | 250 | $2.30 |
| May 29, 2026 | chiang yao-chung · director | Purchase | 2,000 | $2.00 |
| May 27, 2026 | Taiwan Carbon Nano Technology Corp · 10 percent owner | Sale | 41,000 | $2.36 |
| May 27, 2026 | TSAI CHUN-JUNG · director | Sale | 1,082 | $1.55 |
| May 27, 2026 | TSAI CHUN-JUNG · director | Sale | 27,718 | $1.87 |
| May 27, 2026 | lee ting-chuan · director | Sale | 109,988 | $1.90 |
| May 26, 2026 | lee ting-chuan · director | Sale | 9,000 | $1.56 |
| May 26, 2026 | lee ting-chuan · director | Sale | 9,302 | $1.57 |
| May 20, 2026 | chiang yao-chung · director | Purchase | 500 | $1.65 |
| May 20, 2026 | chiang yao-chung · director | Purchase | 2,200 | $1.68 |
| May 7, 2026 | chiang yao-chung · director | Purchase | 129 | $1.70 |
| May 1, 2026 | chiang yao-chung · director | Purchase | 200 | $1.68 |
| May 1, 2026 | chiang yao-chung · director | Purchase | 100 | $1.75 |
| Apr 17, 2026 | tsai chun-hsien · director, officer: CEO, PRESIDENT, CHAIRMAN | A-Award | 300,000 | $1.61 |
| Apr 17, 2026 | TSAI CHUN-JUNG · director | A-Award | 330,000 | $1.61 |
| Apr 17, 2026 | lee ting-chuan · director | A-Award | 570,000 | $1.61 |
| Apr 15, 2026 | ASE Test, Inc. · 10 percent owner | Purchase | 5,994 | $23 |
| Jan 29, 2026 | Taiwan Carbon Nano Technology Corp · 10 percent owner | Sale | 46,000 | $2.17 |
| Jan 12, 2026 | Taiwan Carbon Nano Technology Corp · 10 percent owner | Sale | 431 | $1.86 |
| Jan 12, 2026 | Taiwan Carbon Nano Technology Corp · 10 percent owner | Sale | 850 | $1.80 |
| Nov 26, 2025 | chang wen-han · director | A-Award | 50,000 | $2.10 |
| Nov 26, 2025 | lee ting-chuan · director | A-Award | 80,000 | $2.10 |
| Nov 26, 2025 | chiang yao-chung · director | A-Award | 50,000 | $2.10 |
| Nov 26, 2025 | TSAI CHUN-JUNG · director | A-Award | 80,000 | $2.10 |
| Nov 26, 2025 | Lee Hsin-Liang Christopher · officer: CFO | A-Award | 20,000 | $2.10 |
| Nov 26, 2025 | WEI PAO-SHENG · director | A-Award | 50,000 | $2.10 |
| Nov 26, 2025 | tsai chung-yi · director | A-Award | 50,000 | $2.10 |
| Nov 26, 2025 | tsai chun-hsien · director, officer: CEO, PRESIDENT, CHAIRMAN | A-Award | 80,000 | $2.10 |
Institutional positioning
13F filings over the trailing two quarters
New 7Increased 5Reduced 6Sold out 0
| Filer | Action | Shares | Filed |
|---|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | New Position | 53,074 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 44,086 | Aug 12, 2026 |
| HRT FINANCIAL LP | New Position | 32,008 | Aug 14, 2026 |
| MARINER, LLC | Increased | 30,800 | May 13, 2026 |
| Keystone Financial Group | Increased | 25,550 | Jul 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 16,024 | Aug 13, 2026 |
| Mariner, LLC | Reduced | 15,800 | Aug 13, 2026 |
| KEYSTONE FINANCIAL GROUP | New Position | 14,550 | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 14,169 | May 8, 2026 |
| VANGUARD FIDUCIARY TRUST CO | Unchanged | 14,169 | Aug 13, 2026 |
| JANE STREET GROUP, LLC | New Position | 11,504 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 9,281 | May 15, 2026 |
| UBS Group AG | Increased | 4,592 | Aug 13, 2026 |
| TOWER RESEARCH CAPITAL LLC (TRC) | Increased | 4,441 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | Reduced | 3,157 | Aug 11, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 9, 2026