NASDAQ:TWST

Twist Bioscience Stock Insider Trading

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$91.55
+0.220 (+0.241%)
At Close: Jul 31, 2026

Twist Bioscience Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -95.24. In total, the insiders bought 355.59K and sold 384.24K TWST shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-95.24
Buy 355.59K shares
Sell 384.24K shares
28% Buy Activity
Weak Negative Correlation
Sell Signal Medium Confidence
Feb 17, 2026

Analysis Breakdown:

  • Strongly supported by a very low Insider Power Score of -95.24.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Apr 27, 2026
Sell
Common Stock
S-Sale
Starovasnik Melissa A.
Director
Director 500
Value: $30.9K
Apr 23, 2026
Sell
Common Stock
S-Sale
Finn Patrick John
President And COO
CEO / President 2 321
Value: $141.0K
Apr 22, 2026
Buy
Common Stock
M-Exempt
Leproust Emily M.
Chief Executive Officer
CEO / President 8 061
Value: $71.1K
Apr 22, 2026
Sell
Common Stock
S-Sale
Leproust Emily M.
Chief Executive Officer
CEO / President 151
Value: $10K
Apr 22, 2026
Sell
Common Stock
S-Sale
Leproust Emily M.
Chief Executive Officer
CEO / President 7 910
Value: $516.3K
Apr 22, 2026
Buy
Employee Stock Option (right to buy)
M-Exempt
Leproust Emily M.
Chief Executive Officer
CEO / President 8 061
Value: $71.1K
Apr 21, 2026
Buy
Common Stock
M-Exempt
Leproust Emily M.
Chief Executive Officer
CEO / President 1 610
Value: $14.2K
Apr 21, 2026
Buy
Employee Stock Option (right to buy)
M-Exempt
Leproust Emily M.
Chief Executive Officer
CEO / President 1 610
Value: $14.2K
Apr 21, 2026
Sell
Common Stock
S-Sale
Leproust Emily M.
Chief Executive Officer
CEO / President 1 610
Value: $104.7K
Apr 17, 2026
Sell
Common Stock
S-Sale
Laponis Adam
Chief Financial Officer
C-Suite Officer 4 000
Value: $240.0K
Apr 14, 2026
Sell
Common Stock
S-Sale
Laponis Adam
Chief Financial Officer
C-Suite Officer 3 000
Value: $165.0K
Apr 09, 2026
Sell
Common Stock
S-Sale
Laponis Adam
Chief Financial Officer
C-Suite Officer 2 597
Value: $129.6K
Apr 01, 2026
Sell
Common Stock
S-Sale
Starovasnik Melissa A.
Director
Director 1 000
Value: $51.0K
Mar 20, 2026
Sell
Common Stock
S-Sale
Green Paula
SVP Of Human Resources
Officer 297
Value: $13.0K
Mar 20, 2026
Sell
Common Stock
S-Sale
Cho Dennis
See Remarks
Officer 354
Value: $15.5K
Mar 20, 2026
Sell
Common Stock
S-Sale
Leproust Emily M.
Chief Executive Officer
CEO / President 1 742
Value: $76.3K
Mar 17, 2026
Buy
Stock Option (right to buy)
M-Exempt
Chess Robert
Director
Director 10 000
Value: $118.9K
Mar 17, 2026
Sell
Common Stock
S-Sale
Chess Robert
Director
Director 10 000
Value: $470.0K
Mar 17, 2026
Buy
Common Stock
M-Exempt
Chess Robert
Director
Director 10 000
Value: $118.9K
Mar 06, 2026
Sell
Common Stock
S-Sale
Leproust Emily M.
Chief Executive Officer
CEO / President 2 423
Value: $112.5K
Mar 06, 2026
Sell
Common Stock
S-Sale
Werner Robert F.
Chief Accounting Officer
Officer 246
Value: $11.4K
Mar 06, 2026
Sell
Common Stock
S-Sale
Cho Dennis
See Remarks
Officer 425
Value: $19.7K
Mar 06, 2026
Sell
Common Stock
S-Sale
Green Paula
SVP Of Human Resources
Officer 935
Value: $43.4K
Feb 23, 2026
Sell
Common Stock
S-Sale
Laponis Adam
Chief Financial Officer
C-Suite Officer 2 085
Value: $97.4K
Feb 23, 2026
Sell
Common Stock
S-Sale
Werner Robert F.
Chief Accounting Officer
Officer 1 693
Value: $79.1K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT TWIST BIOSCIENCE CORP.
Twist Bioscience
Twist Bioscience Corporation, a synthetic biology company, manufactures and sells synthetic DNA-based products. The company's DNA synthesis platform enables the manufacturing of synthetic DNA by writing DNA on a silicon chip. It offers synthetic DNA-based products, including synthetic genes, tools for sample preparation, antibody libraries for drug discovery and development, and DNA as a digital data storage medium. The company has collaboration ...
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