Robert F. Werner Insider Trading Activity
Robert F. Werner has been net-selling over the last 12 months with 0 purchases and 18 sales across 1 company.
TWST is the most-traded position with 18 trades. The largest single transaction was a sale of TWST for $320K on Feb 4, 2026.
Performance Scorecard
Forward stock performance after each transaction by Robert F. Werner. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -15.0% | 25% | 20 |
| 90 days | — | -28.6% | 19% | 16 |
| 120 days | — | -45.9% | 0% | 16 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersTWST · Twist Bioscience Corp
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 26, 2026 | TWST | Sell | 800 | $62.48 | $50K | −1.6% | Chief Accounting Officer | |
May 21, 2026 Filed 3d late | TWST | Sell | 688 | $53.26 | $37K | −1.4% | Chief Accounting Officer | |
May 8, 2026 | TWST | Sell | 4,961 | $56.88 | $282K | −9.1% | Chief Accounting Officer | |
May 4, 2026 | TWST | Sell | 164 | $57.15 | $9K | −0.3% | Chief Accounting Officer | |
Mar 6, 2026 | TWST | Sell | 246 | $46.43 | $11K | −0.4% | Chief Accounting Officer | |
Feb 23, 2026 | TWST | Sell | 1,693 | $46.71 | $79K | −3.0% | Chief Accounting Officer | |
Feb 4, 2026 | TWST | Sell | 7,000 | $45.65 | $320K | −10.6% | Chief Accounting Officer | |
Feb 3, 2026 | TWST | Sell | 175 | $46.58 | $8K | −0.3% | Chief Accounting Officer | |
Dec 8, 2025 | TWST | Sell | 230 | $32.88 | $8K | −0.3% | Chief Accounting Officer | |
Nov 24, 2025 | TWST | Sell | 822 | $28.71 | $24K | −1.2% | Chief Accounting Officer | |
Nov 21, 2025 | TWST | Sell | 229 | $26.50 | $6K | −0.3% | Chief Accounting Officer | |
Nov 3, 2025 | TWST | Sell | 160 | $32.08 | $5K | −0.3% | Chief Accounting Officer | |
Oct 30, 2025 | TWST | Sell | 1,016 | $31.44 | $32K | −2.0% | Chief Accounting Officer | |
Oct 6, 2025 | TWST | Sell | 2,041 | $32.19 | $66K | −4.2% | Chief Accounting Officer | |
Sep 8, 2025 | TWST | Sell | 235 | $25.76 | $6K | −0.5% | Chief Accounting Officer | |
Aug 25, 2025 | TWST | Sell | 853 | $27.69 | $24K | −1.7% | Chief Accounting Officer | |
Aug 21, 2025 | TWST | Sell | 238 | $25.96 | $6K | −0.5% | Chief Accounting Officer | |
Aug 4, 2025 | TWST | Sell | 186 | $28.36 | $5K | −0.4% | Chief Accounting Officer | |
Jun 6, 2025 | TWST | Sell | 225 | $31.75 | $7K | −0.4% | Chief Accounting Officer | |
May 23, 2025 Filed 3d late | TWST | Sell | 839 | $27.73 | $23K | −1.6% | Chief Accounting Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| TWST | Twist Bioscience Corp | 20 | $1.0M |
Other insiders at Twist Bioscience Corp
7 other tracked filers at TWST.