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$1.32 +0.01 (+0.76%) At close · Jul 29
Market Cap
$11.25M
Shares
8.52M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

28
Net buyers
-2
Net shares bought
-2.20%
Net buy value
-$367,140
Date Insider Type Shares
2026-06-05
chiang yao-chung
Buy
3,500
2026-06-03
chiang yao-chung
Buy
2,000
2026-05-28
chiang yao-chung
Buy
250
2026-05-27
chiang yao-chung
Buy
2,000
2026-05-26
Taiwan Carbon Nano Technology Corp
Sell
41,000
2026-05-26
lee ting-chuan
Sell
109,988
2026-05-26
TSAI CHUN-JUNG
Sell
27,718
2026-05-22
TSAI CHUN-JUNG
Sell
1,082
2026-05-22
lee ting-chuan
Sell
9,302
2026-05-21
lee ting-chuan
Sell
9,000
2026-05-19
chiang yao-chung
Buy
2,200
2026-05-18
chiang yao-chung
Buy
500
2026-05-05
chiang yao-chung
Buy
129
2026-04-30
chiang yao-chung
Buy
200
2026-04-29
chiang yao-chung
Buy
100
2026-04-15
TSAI CHUN-JUNG
Award
330,000
2026-04-15
lee ting-chuan
Award
570,000
2026-04-15
lee ting-chuan
Other
570,000
2026-04-15
tsai chun-hsien
Award
300,000
2026-04-15
lee ting-chuan
Award
570,000
2026-04-15
TSAI CHUN-JUNG
Other
330,000
2026-04-15
tsai chun-hsien
Award
300,000
2026-04-15
tsai chun-hsien
Other
300,000
2026-04-15
TSAI CHUN-JUNG
Award
330,000
2026-04-12
ASE Test, Inc.
Buy
5,994
2026-01-28
Taiwan Carbon Nano Technology Corp
Sell
46,000
2026-01-09
Taiwan Carbon Nano Technology Corp
Sell
431
2026-01-08
Taiwan Carbon Nano Technology Corp
Sell
850
2025-11-25
WEI PAO-SHENG
Award
50,000
2025-11-25
tsai chung-yi
Other
50,000
2025-11-25
lee ting-chuan
Award
80,000
2025-11-25
TSAI CHUN-JUNG
Award
80,000
2025-11-25
WEI PAO-SHENG
Award
50,000
2025-11-25
chiang yao-chung
Award
50,000
2025-11-25
TSAI CHUN-JUNG
Other
80,000
2025-11-25
chang wen-han
Award
50,000
2025-11-25
Lee Hsin-Liang Christopher
Award
20,000
2025-11-25
chang wen-han
Other
50,000
2025-11-25
tsai chung-yi
Award
50,000
2025-11-25
tsai chun-hsien
Award
80,000
2025-11-25
WEI PAO-SHENG
Other
50,000
2025-11-25
lee ting-chuan
Other
80,000
2025-11-25
chiang yao-chung
Award
50,000
2025-11-25
tsai chun-hsien
Award
80,000
2025-11-25
tsai chun-hsien
Other
80,000
2025-11-25
chiang yao-chung
Other
50,000
2025-11-25
lee ting-chuan
Award
80,000
2025-11-25
TSAI CHUN-JUNG
Award
80,000
2025-11-25
Lee Hsin-Liang Christopher
Award
20,000
2025-11-25
chang wen-han
Award
50,000
Legend Buy — open-market purchase Sell — open-market sale Shares acquired Shares disposed (gift, conversion, tax…)
Showing 1–50 of 347 transactions
Key facts CIK 1014763 CUSIP 00902F402 13F (30d) 1 filings 1 filers Visit website Investor relations