| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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Chief Accounting Officer
1 company
Werner Robert F. is a Chief Accounting Officer at TWST. Recent filings cover 0 purchases and 44 sales. Those positions are worth an estimated $8.1M at current prices.
Our model assigns Werner Robert F. a middling insider score of 62/100, based on 29 past trades. Over a 12-month horizon, 57.9% of those trades were profitable, with an average 12-month return of -4.8%.
Werner Robert F.'s largest disclosed position is in TWST as Chief Accounting Officer, worth about $8.1M. The recent filings there lean toward selling, a net 37,339 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 1,482 | $188.88 | $279,926.09 | -3.3% | - | - | |
| Sep 8, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 238 | $122.62 | $29,184.51 | -0.5% | - | - | |
| Aug 24, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 1,523 | $140.02 | $213,255.30 | -3.3% | - | - | |
| Aug 3, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 167 | $85.32 | $14,248.64 | -0.4% | - | - | |
| Jun 8, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 1,359 | $69.20 | $94,045.74 | -2.8% | +82.8% | - | |
| May 26, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 800 | $62.48 | $49,987.20 | -1.6% | +117.0% | - | |
| May 21, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 688 | $53.26 | $36,640.82 | -1.4% | +142.0% | - | |
| May 8, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 4,961 | $56.88 | $282,186.64 | -9.1% | +91.9% | - | |
| May 4, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 164 | $57.15 | $9,372.40 | -0.3% | +79.9% | - | |
| Mar 6, 2026 | TWST Twist Bioscience Corporation | Chief Accounting Officer | Sell | 246 | $46.43 | $11,420.80 | -0.4% | +57.5% | - |