This is a routine pre-planned director sale with no material signal for the stock. Monitor for any acceleration of insider selling or changes in insider sentiment, but this filing alone does not warrant a trading response.
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Executive Summary
Director Robert Chess filed a Form 144 notice to sell 18,417 shares of Twist Bioscience common stock, valued at approximately $2.04 million, pursuant to a 10b5-1 plan adopted on May 8, 2026. The sale is tied to a stock option exercise and represents a routine, pre-planned transaction by a director.
Key Facts
- Director Robert Chess intends to sell 18,417 shares of TWST common stock.
- Estimated market value of the proposed sale is $2,042,261.13.
- Sale is related to a stock option exercise on August 7, 2026.
- The 10b5-1 trading plan was adopted on May 8, 2026.
- Shares represent approximately 0.03% of TWST's $6.8B market cap.
Financial Impact
Proposed sale of ~$2.04M, or ~0.03% of market cap.
Risk Factors
- No material risks identified from this filing.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (TWST) — Batch item 1 | 0001959173-26-005735 |
| Document: 0001959173-26-005735-index.html | 0001959173-26-005735 |
| Document: 0001959173-26-005735.txt | 0001959173-26-005735 |
| 144 Filing (TWST) — Batch item 4 | 0001959173-26-005735 |
| Document: 0001959173-26-005735-index.html | 0001959173-26-005735 |
| Document: 0001959173-26-005735.txt | 0001959173-26-005735 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 10, 2026 21d ago | Insider Cluster | $127.22 $166.99 | ▲ +31.26% | ▲ +31.60% | $187.45 (+47.34%) |
Aug 27, 2026 5w ago | Insider Cluster | $153.10 $128.71 | ▼ −15.93% | ▼ −16.20% | $187.45 (+22.44%) |
Aug 25, 2026 5w ago | Insider Cluster | $151.42 $132.06 | ▼ −12.79% | ▼ −12.25% | $187.45 (+23.79%) |
Aug 21, 2026 6w ago | Insider Cluster | $145.59 $141.38 | ▼ −2.89% | ▼ −3.37% | $187.45 (+28.75%) |
Aug 20, 2026 6w ago | Insider Cluster | $136.23 $153.10 | ▲ +12.38% | ▲ +11.27% | $187.45 (+37.60%) |
Aug 14, 2026 6w ago | Insider Cluster | $124.41 $140.80 | ▲ +13.17% | ▲ +14.36% | $187.45 (+50.67%) |
Aug 14, 2026 6w ago | Insider Cluster | $124.41 $140.80 | ▼ −13.17% | ▼ −14.36% | $187.45 (−50.67%) |
Aug 12, 2026 7w ago | Insider Cluster | $125.29 $136.23 | ▲ +8.73% | ▲ +10.70% | $187.45 (+49.61%) |
Aug 12, 2026 7w ago | 144 | $125.29 $136.23 | ▲ +8.73% | ▲ +10.70% | $187.45 (+49.61%) |
Aug 11, 2026 7w ago | Insider Cluster | $123.12 $116.10 | ▼ −5.70% | ▼ −5.30% | $187.45 (+52.25%) |
US Market Status
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