The lack of material dollar amounts relative to $3.8B market cap means this cluster is unlikely to move the stock on its own. However, if TWST is near a catalyst event (earnings, pipeline data, or M&A), the simultaneous C-suite liquidation could amplify bearish positioning. Monitor for any subsequent 8-K or Form 144 filings that might indicate the sales were part of a larger block trade. With the cross-filing amplifiers triggered (cluster + earnings/agreement/press context), any forthcoming material announcement should be viewed through the lens of insider selling having preceded it.
Price Chart
Executive Summary
Six TWST insiders—including the CEO, CFO, and COO—collectively sold 16,796 shares for ~$807K on May 21, 2026, all at $53.257. While this represents only ~0.02% of the $3.8B market cap (well below the 0.1% materiality threshold), the uniformity of execution on a single day at an identical price suggests a coordinated liquidity event (e.g., share settlement upon vesting) rather than opportunistic selling. However, the simultaneous sale by the entire C-suite introduces modest cautionary color, especially given the stock's recent run-up.
Key Financial Metrics
Key Facts
- Six insiders sold on May 21, 2026, at $53.257/share: CEO (6,888 sh), CFO (2,019 sh), COO (4,160 sh), CAO (688 sh), SVP HR (1,399 sh), and a VP-level executive (1,642 sh)
- Total cluster value is ~$807K, representing ~0.02% of TWST's $3.8B market cap
- All six trades executed on the same day at an identical price, consistent with a pre-arranged 10b5-1 plan or tax-related share withholding on a vesting event
- No open-market purchases occurred in this cluster
- The cluster sale value is trivial relative to market cap (0.02%), falling below the 0.1% floor for material insider selling
Financial Impact
~$807K total insider sales, or ~0.02% of market cap — immaterial by both absolute and relative measures
Risk Factors
- If the May 21 sales were opportunistic rather than 10b5-1-scheduled, the identical-price same-day cluster signals potential shared negative information among the C-suite
- Back-to-back insider selling by different cohorts (this cluster + the 8 trades for $1.9M in the prior 30 days) could pressure sentiment even at small dollar amounts
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-TWST-1779826026297 |
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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