Tien Bor-Zen
- Shares
- 14.05K
- % company
- <0.01%
- Price
- $73.06
- Value
- $1,026,566
Filed Aug 3, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · Technology · Holders
Taiwan Semiconductor Manufacturing Company Limited (TSM) Insider Trading History
Recent Form 4 insider activity for TSM, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 21, 1:19 PM EDT
Ownership read
TSM insider sentiment: Mixed, sale-heavy.
2 sales and 111 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
TSM
Purchases636.94K
Sales2.50M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Mixed, sale-heavy
$174.26M sold / $47.45M bought
Latest filing
Aug 3, 2026
Most recent holder or insider filing date
Filings shown
119
119 insider
- Latest filing
- Aug 3, 2026
- Most recent holder or insider filing date
- Insider rows
- 119
- Market data source
Recent insider transactions
Taiwan Semiconductor Manufacturing Company Limited (TSM) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Tseng Fang Churng
- Shares
- 10.13M
- % company
- 0.20%
Filed Jul 31, 2026
Tseng Fang Churng
- Shares
- 24.47M
- % company
- 0.47%
Filed Jul 31, 2026
Tien Bor-Zen
- Shares
- 5.00K
- % company
- <0.01%
- Price
- $67.97
- Value
- $339,850
Filed Jul 28, 2026
Tien Bor-Zen
- Shares
- 132
- % company
- <0.01%
- Price
- $390.00
- Value
- $51,480
Filed Jul 28, 2026
Tien Bor-Zen
- Shares
- 127
- % company
- <0.01%
- Price
- $390.00
- Value
- $49,530
Filed Jul 28, 2026
Tien Bor-Zen
- Shares
- 4.00K
- % company
- <0.01%
- Price
- $74.75
- Value
- $299,000
Filed Jul 21, 2026
Tien Bor-Zen
- Shares
- 3.00K
- % company
- <0.01%
- Price
- $74.44
- Value
- $223,320
Filed Jul 21, 2026
Tien Bor-Zen
- Shares
- 2.00K
- % company
- <0.01%
- Price
- $73.98
- Value
- $147,960
Filed Jul 21, 2026
Tien Bor-Zen
- Shares
- 13.05K
- % company
- <0.01%
- Price
- $74.13
- Value
- $967,471
Filed Jul 21, 2026
Lin Shyue-Shyh
- Shares
- 30.27K
- % company
- <0.01%
- Price
- $74.13
- Value
- $2,243,841
Filed Jul 21, 2026
Tien Bor-Zen
- Shares
- 117
- % company
- <0.01%
- Price
- $405.00
- Value
- $47,385
Filed Jul 20, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 14.05K | Aug 3, 2026 |
| 2 | Tseng Fang Churng | 0.20% | GiftGift transfer. Usually non-cash and not an open-market sale. | 10.13M | Jul 31, 2026 |
| 3 | Tseng Fang Churng | 0.47% | GiftGift transfer. Usually non-cash and not an open-market sale. | 24.47M | Jul 31, 2026 |
| 4 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 5.00K | Jul 28, 2026 |
| 5 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 132 | Jul 28, 2026 |
| 6 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 127 | Jul 28, 2026 |
| 7 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 4.00K | Jul 21, 2026 |
| 8 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 3.00K | Jul 21, 2026 |
| 9 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 2.00K | Jul 21, 2026 |
| 10 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 13.05K | Jul 21, 2026 |
| 11 | Lin Shyue-Shyh | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 30.27K | Jul 21, 2026 |
| 12 | Tien Bor-Zen | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 117 | Jul 20, 2026 |
Showing 12 of 119 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported TSM insider?
Tseng Fang Churng has the largest absolute share movement in the displayed TSM filing rows, totaling 34.61 million shares. The action labels provide the transaction context.