Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $752.00
- Value
- $2,256,000
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•67 filings
ASX
ASE Technology Holding Co., Ltd.
Net sales of $2.3M over the last 3 months
1 seller account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
−$2,256,000
0 buyers · 1 sellers
12-month purchases
$0.00
0 distinct insiders
12-month sales
$369,746,968
3 distinct insiders
Highlighted alerts
39
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
No executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
71
Raw transactions
Everything returned by the filing
39
Voluntary view
P/S trades after deterministic checks
32
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- M
- Shares
- 300,000
- Price
- $98.60
- Footnotes
- 2
The option exercise price reflects New Taiwan dollars. Reflects stock options to purchase Ordinary Shares. These stock options were granted on August 18, 2023 and vest in seven semi-annual installments. 40% of the options vested on August 18, 2025, 10% of the options vested on February 18, 2026, and the remaining installments will vest at 10% each on August 18 2026, February 18, 2027, August 18, 2027, February 18, 2028 and August 18, 2028.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $665.00
- Value
- $1,995,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $688.00
- Value
- $2,064,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 2,000
- Price
- $687.00
- Value
- $1,374,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $709.00
- Value
- $2,127,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 2,000
- Price
- $687.00
- Value
- $1,374,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $664.00
- Value
- $1,992,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $697.00
- Value
- $2,091,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 5,000
- Price
- $667.00
- Value
- $3,335,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 3,000
- Price
- $611.00
- Value
- $1,833,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 5,000
- Price
- $617.00
- Value
- $3,085,000
Uang Du-Tsuen
Chief Administration Officer
SaleAlert
- Shares
- 5,000
- Price
- $607.00
- Value
- $3,035,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 2,000
- Price
- $653.00
- Value
- $1,306,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $630.00
- Value
- $5,670,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $590.00
- Value
- $5,310,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $538.00
- Value
- $4,842,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $505.00
- Value
- $4,545,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $477.00
- Value
- $4,293,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $483.00
- Value
- $4,347,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $506.00
- Value
- $4,554,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $563.00
- Value
- $5,067,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $560.00
- Value
- $5,040,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $473.00
- Value
- $4,257,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $487.67
- Value
- $4,389,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $466.50
- Value
- $4,198,500
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $463.50
- Value
- $4,171,500
Chen Tien-Szu
GM, ASE Inc. Chung-Li Branch
SaleAlert
- Shares
- 80,000
- Price
- $471.00
- Value
- $37,680,000
Chen Tien-Szu
GM, ASE Inc. Chung-Li Branch
SaleAlert
- Shares
- 50,000
- Price
- $467.00
- Value
- $23,350,000
Chen Tien-Szu
GM, ASE Inc. Chung-Li Branch
SaleAlert
- Shares
- 72,000
- Price
- $466.00
- Value
- $33,552,000
Chen Tien-Szu
GM, ASE Inc. Chung-Li Branch
SaleAlert
- Shares
- 328,000
- Price
- $465.11
- Value
- $152,554,998
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $461.50
- Value
- $4,153,500
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $454.00
- Value
- $4,086,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $446.00
- Value
- $4,014,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $432.00
- Value
- $3,888,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $427.00
- Value
- $3,843,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $408.33
- Value
- $3,674,970
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $387.00
- Value
- $3,483,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $388.00
- Value
- $3,492,000
Chen Jeffrey
Director
SaleAlert
- Shares
- 9,000
- Price
- $380.50
- Value
- $3,424,500
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 12, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $752.00 | $2,256,000 | |
| Jul 22, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $665.00 | $1,995,000 | |
| Jul 15, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $688.00 | $2,064,000 | |
| Jul 06, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 2,000 | $687.00 | $1,374,000 | |
| Jul 01, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $709.00 | $2,127,000 | |
| Jun 30, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 2,000 | $687.00 | $1,374,000 | |
| Jun 30, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $664.00 | $1,992,000 | |
| Jun 23, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $697.00 | $2,091,000 | |
| Jun 22, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 5,000 | $667.00 | $3,335,000 | |
| Jun 18, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 3,000 | $611.00 | $1,833,000 | |
| Jun 03, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 5,000 | $617.00 | $3,085,000 | |
| Jun 01, 2026 | Uang Du-Tsuen Chief Administration Officer | Sale | 5,000 | $607.00 | $3,035,000 | |
| May 27, 2026 | Chen Jeffrey Director | Sale | 2,000 | $653.00 | $1,306,000 | |
| May 26, 2026 | Chen Jeffrey Director | Sale | 9,000 | $630.00 | $5,670,000 | |
| May 25, 2026 | Chen Jeffrey Director | Sale | 9,000 | $590.00 | $5,310,000 | |
| May 22, 2026 | Chen Jeffrey Director | Sale | 9,000 | $538.00 | $4,842,000 | |
| May 21, 2026 | Chen Jeffrey Director | Sale | 9,000 | $505.00 | $4,545,000 | |
| May 20, 2026 | Chen Jeffrey Director | Sale | 9,000 | $477.00 | $4,293,000 | |
| May 19, 2026 | Chen Jeffrey Director | Sale | 9,000 | $483.00 | $4,347,000 | |
| May 18, 2026 | Chen Jeffrey Director | Sale | 9,000 | $506.00 | $4,554,000 | |
| May 15, 2026 | Chen Jeffrey Director | Sale | 9,000 | $563.00 | $5,067,000 | |
| May 14, 2026 | Chen Jeffrey Director | Sale | 9,000 | $560.00 | $5,040,000 | |
| Apr 24, 2026 | Chen Jeffrey Director | Sale | 9,000 | $473.00 | $4,257,000 | |
| Apr 23, 2026 | Chen Jeffrey Director | Sale | 9,000 | $487.67 | $4,389,000 | |
| Apr 22, 2026 | Chen Jeffrey Director | Sale | 9,000 | $466.50 | $4,198,500 | |
| Apr 21, 2026 | Chen Jeffrey Director | Sale | 9,000 | $463.50 | $4,171,500 | |
| Apr 20, 2026 | Chen Tien-Szu GM, ASE Inc. Chung-Li Branch | Sale | 80,000 | $471.00 | $37,680,000 | |
| Apr 20, 2026 | Chen Tien-Szu GM, ASE Inc. Chung-Li Branch | Sale | 50,000 | $467.00 | $23,350,000 | |
| Apr 20, 2026 | Chen Tien-Szu GM, ASE Inc. Chung-Li Branch | Sale | 72,000 | $466.00 | $33,552,000 | |
| Apr 20, 2026 | Chen Tien-Szu GM, ASE Inc. Chung-Li Branch | Sale | 328,000 | $465.11 | $152,554,998 | |
| Apr 20, 2026 | Chen Jeffrey Director | Sale | 9,000 | $461.50 | $4,153,500 | |
| Apr 17, 2026 | Chen Jeffrey Director | Sale | 9,000 | $454.00 | $4,086,000 | |
| Apr 16, 2026 | Chen Jeffrey Director | Sale | 9,000 | $446.00 | $4,014,000 | |
| Apr 15, 2026 | Chen Jeffrey Director | Sale | 9,000 | $432.00 | $3,888,000 | |
| Apr 14, 2026 | Chen Jeffrey Director | Sale | 9,000 | $427.00 | $3,843,000 | |
| Apr 13, 2026 | Chen Jeffrey Director | Sale | 9,000 | $408.33 | $3,674,970 | |
| Apr 10, 2026 | Chen Jeffrey Director | Sale | 9,000 | $387.00 | $3,483,000 | |
| Apr 09, 2026 | Chen Jeffrey Director | Sale | 9,000 | $388.00 | $3,492,000 | |
| Apr 08, 2026 | Chen Jeffrey Director | Sale | 9,000 | $380.50 | $3,424,500 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.