Insider · CIK 0001590947
Robert F. Werner
officer
Files at TWST (Twist Bioscience Corp). First filing Nov 6, 2024, latest Oct 5, 2026.
In brief
Robert F. Werner files SEC Form 4 as officer at TWST (Twist Bioscience Corp). Since Nov 6, 2024, Robert F. Werner has reported 0 open-market buys worth $0 and 30 open-market sells worth $1.8M, the latest filed on Oct 5, 2026.
A track record needs three past buys with six months of prices behind them; Robert F. Werner has 0, so none is measured yet.
The newest scored trade: sold $280k of TWST on Oct 2, 2026, filed Oct 5, 2026, scored 44 (moderate). In the last 12 months: 0 buys worth $0 and 16 sells worth $1.5M.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 30
$0 bought, $1.8M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
TWST: Twist Bioscience Corp
TWSTOct 9, 2026 · close 159.78
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 44Moderate | Twist Bioscience Corp | $280k 1,482 shares | -3% | +641% from low-2% from high | |
| 35Weak | Twist Bioscience Corp | $29k 238 shares | -1% | +430% from low-16% from high | |
| 42Moderate | Twist Bioscience Corp | $213k 1,523 shares | -3% | +503% from low0% from high | |
| 30Weak | Twist Bioscience Corp | $14k 167 shares | -0% | +318% from low-2% from high | |
| 40Moderate | Twist Bioscience Corp | $94k 1,359 shares | -3% | +190% from low-5% from high | |
| 37Weak | Twist Bioscience Corp | $50k 800 shares | -2% | +169% from low0% from high | |
| 36Weak | Twist Bioscience Corp | $37k 688 shares | -1% | +144% from low-7% from high | |
| 44Moderate | Twist Bioscience Corp | $282k 4,961 shares | -9% | +135% from low-10% from high | |
| 30Weak | Twist Bioscience Corp | $9,372 164 shares | -0% | +133% from low-11% from high | |
| 30Weak | Twist Bioscience Corp | $11k 246 shares | -0% | +94% from low-15% from high | |
| 39Weak | Twist Bioscience Corp | $79k 1,693 shares | -3% | +99% from low-12% from high | |
| 50Moderate | Twist Bioscience Corp | $328k 7,175 shares | -11% | +92% from low-14% from high | |
| 30Weak | Twist Bioscience Corp | $7,562 230 shares | -0% | +33% from low-40% from high | |
| 35Weak | Twist Bioscience Corp | $30k 1,051 shares | -2% | +18% from low-47% from high | |
| 30Weak | Twist Bioscience Corp | $5,133 160 shares | -0% | +31% from low-42% from high | |
| 35Weak | Twist Bioscience Corp | $32k 1,016 shares | -2% | +29% from low-42% from high | |
| 38Weak | Twist Bioscience Corp | $66k 2,041 shares | -4% | +32% from low-41% from high | |
| 30Weak | Twist Bioscience Corp | $6,054 235 shares | -0% | +5% from low-51% from high | |
| 30Weak | Twist Bioscience Corp | $24k 853 shares | -2% | +10% from low-49% from high | |
| 30Weak | Twist Bioscience Corp | $6,179 238 shares | -0% | +6% from low-51% from high | |
| 30Weak | Twist Bioscience Corp | $5,276 186 shares | -0% | +7% from low-44% from high | |
| 30Weak | Twist Bioscience Corp | $7,144 225 shares | -0% | +12% from low-42% from high | |
| 30Weak | Twist Bioscience Corp | $23k 839 shares | -2% | +0% from low-48% from high | |
| 30Weak | Twist Bioscience Corp | $7,199 242 shares | -0% | 0% from low-47% from high | |
| 30Weak | Twist Bioscience Corp | $6,099 162 shares | -0% | +4% from low-34% from high | |
| 30Weak | Twist Bioscience Corp | $12k 226 shares | -0% | - | |
| 36Weak | Twist Bioscience Corp | $35k 789 shares | -2% | - | |
| 38Weak | Twist Bioscience Corp | $65k 1,448 shares | -3% | - | |
| 38Weak | Twist Bioscience Corp | $65k 1,448 shares | -3% | - | |
| 30Weak | Twist Bioscience Corp | $6,484 156 shares | -0% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Oct 2, 2026 | TWST Twist Bioscience Corp | 1,482 0.00% of outstanding | $280k | Oct 2, 2026 | $257k |
| Sep 8, 2026 | TWST Twist Bioscience Corp | 238 0.00% of outstanding | $29k | Sep 8, 2026 | $322k |
| Aug 24, 2026 | TWST Twist Bioscience Corp | 854 0.00% of outstanding | $120k | Aug 24, 2026 | $251k |
| Aug 21, 2026 | TWST Twist Bioscience Corp | 669 0.00% of outstanding | $93k | Aug 21, 2026 | $195k |
| Aug 3, 2026 | TWST Twist Bioscience Corp | 167 0.00% of outstanding | $14k | Aug 3, 2026 | $472k |
| Jun 8, 2026 | TWST Twist Bioscience Corp | 232 0.00% of outstanding | $16k | Jun 8, 2026 | $378k |
| Jun 8, 2026 | TWST Twist Bioscience Corp | 1,127 0.00% of outstanding | $78k | Jun 8, 2026 | $378k |
| May 26, 2026 | TWST Twist Bioscience Corp | 800 0.00% of outstanding | $50k | May 26, 2026 | $419k |
| May 21, 2026 | TWST Twist Bioscience Corp | 688 0.00% of outstanding | $37k | May 21, 2026 | $382k |
| May 8, 2026 | TWST Twist Bioscience Corp | 4,961 0.01% of outstanding | $282k | May 8, 2026 | $100k |
| May 4, 2026 | TWST Twist Bioscience Corp | 164 0.00% of outstanding | $9,372 | May 4, 2026 | $410k |
| Mar 6, 2026 | TWST Twist Bioscience Corp | 246 0.00% of outstanding | $11k | Mar 6, 2026 | $414k |
| Feb 23, 2026 | TWST Twist Bioscience Corp | 1,693 0.00% of outstanding | $79k | Feb 23, 2026 | $359k |
| Feb 4, 2026 | TWST Twist Bioscience Corp | 7,000 0.01% of outstanding | $320k | Feb 4, 2026 | $45k |
| Feb 3, 2026 | TWST Twist Bioscience Corp | 175 0.00% of outstanding | $8,151 | Feb 3, 2026 | $42k |
| Dec 8, 2025 | TWST Twist Bioscience Corp | 230 0.00% of outstanding | $7,562 | Dec 8, 2025 | $138k |
| Nov 24, 2025 | TWST Twist Bioscience Corp | 822 0.00% of outstanding | $24k | Nov 24, 2025 | $139k |
| Nov 21, 2025 | TWST Twist Bioscience Corp | 229 0.00% of outstanding | $6,069 | Nov 21, 2025 | $139k |
| Nov 3, 2025 | TWST Twist Bioscience Corp | 160 0.00% of outstanding | $5,133 | Nov 3, 2025 | $139k |
| Oct 30, 2025 | TWST Twist Bioscience Corp | 1,016 0.00% of outstanding | $32k | Oct 30, 2025 | $107k |
| Oct 6, 2025 | TWST Twist Bioscience Corp | 2,041 0.00% of outstanding | $66k | Oct 6, 2025 | $41k |
| Sep 8, 2025 | TWST Twist Bioscience Corp | 235 0.00% of outstanding | $6,054 | Sep 8, 2025 | $35k |
| Aug 25, 2025 | TWST Twist Bioscience Corp | 853 0.00% of outstanding | $24k | Aug 25, 2025 | $19k |
| Aug 21, 2025 | TWST Twist Bioscience Corp | 238 0.00% of outstanding | $6,179 | Aug 21, 2025 | $43k |
| Aug 4, 2025 | TWST Twist Bioscience Corp | 186 0.00% of outstanding | $5,276 | Aug 4, 2025 | $44k |
Transactions
Every row this insider has filed, 40 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,482 | $188.88 | $280k | 42,917 | 8 d ago |
| Sep 8, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -238 | $122.62 | $29k | 44,399 | 33 d ago |
| Aug 21, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -669 | $139.07 | $93k | 45,491 | Aug 25, 2026 |
| Aug 24, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -854 | $140.77 | $120k | 44,637 | Aug 25, 2026 |
| Aug 3, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -167 | $85.32 | $14k | 46,160 | Aug 5, 2026 |
| Jun 8, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -232 | $69.84 | $16k | 47,954 | Jun 10, 2026 |
| Jun 8, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,127 | $69.07 | $78k | 46,827 | Jun 10, 2026 |
| Jun 8, 2026 | TWST Twist Bioscience Corp | GGift Common Stock | -500 | $0.00 | $0 | 46,327 | Jun 10, 2026 |
| May 26, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -800 | $62.48 | $50k | 48,186 | May 28, 2026 |
| May 21, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -688 | $53.26 | $37k | 48,986 | May 26, 2026 |
| May 8, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -4,961 | $56.88 | $282k | 49,674 | May 12, 2026 |
| May 4, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -164 | $57.15 | $9,372 | 54,635 | May 6, 2026 |
| Mar 6, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -246 | $46.43 | $11k | 54,799 | Mar 10, 2026 |
| Feb 23, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,693 | $46.71 | $79k | 55,045 | Feb 25, 2026 |
| Feb 9, 2026 | TWST Twist Bioscience Corp | GGift Common Stock | -2,000 | $0.00 | $0 | 56,738 | Feb 11, 2026 |
| Feb 3, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -175 | $46.58 | $8,151 | 65,738 | Feb 5, 2026 |
| Feb 4, 2026 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -7,000 | $45.65 | $320k | 58,738 | Feb 5, 2026 |
| Dec 8, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -230 | $32.88 | $7,562 | 65,913 | Dec 10, 2025 |
| Nov 21, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -229 | $26.50 | $6,069 | 66,965 | Nov 25, 2025 |
| Nov 24, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -822 | $28.71 | $24k | 66,143 | Nov 25, 2025 |
| Nov 18, 2025 | TWST Twist Bioscience Corp | AGrant or award Common Stock | +16,324 | $0.00 | $0 | 67,194 | Nov 20, 2025 |
| Nov 3, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -160 | $32.08 | $5,133 | 50,870 | Nov 5, 2025 |
| Oct 30, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,016 | $31.44 | $32k | 51,030 | Nov 3, 2025 |
| Oct 28, 2025 | TWST Twist Bioscience Corp | AGrant or award Common Stock | +5,633 | $0.00 | $0 | 52,046 | Oct 30, 2025 |
| Oct 6, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -2,041 | $32.19 | $66k | 46,413 | Oct 8, 2025 |
| Sep 8, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -235 | $25.76 | $6,054 | 48,454 | Sep 10, 2025 |
| Aug 25, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -853 | $27.69 | $24k | 48,689 | Aug 27, 2025 |
| Aug 21, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -238 | $25.96 | $6,179 | 49,542 | Aug 25, 2025 |
| Aug 4, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -186 | $28.36 | $5,276 | 49,780 | Aug 6, 2025 |
| Jun 6, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -225 | $31.75 | $7,144 | 49,966 | Jun 10, 2025 |
| May 23, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -839 | $27.73 | $23k | 50,191 | May 28, 2025 |
| May 21, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -242 | $29.75 | $7,199 | 51,030 | May 23, 2025 |
| May 5, 2025 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -162 | $37.65 | $6,099 | 51,272 | May 7, 2025 |
| Dec 6, 2024 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -226 | $52.70 | $12k | 53,043 | Dec 10, 2024 |
| Dec 4, 2024 | TWST Twist Bioscience Corp | AGrant or award Common Stock | +8,438 | $0.00 | $0 | 53,269 | Dec 6, 2024 |
| Nov 25, 2024 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -789 | $44.20 | $35k | 44,831 | Nov 27, 2024 |
| Nov 6, 2024 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,448 | $44.61 | $65k | 45,620 | Nov 15, 2024 |
| Nov 6, 2024 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -1,448 | $44.61 | $65k | 45,620 | Nov 8, 2024 |
| Nov 4, 2024 | TWST Twist Bioscience Corp | AGrant or award Common Stock | +8,500 | $0.00 | $0 | 47,224 | Nov 6, 2024 |
| Nov 4, 2024 | TWST Twist Bioscience Corp | SOpen-market sale Common Stock | -156 | $41.56 | $6,484 | 47,068 | Nov 6, 2024 |
Questions about Robert F. Werner
Answered from the filings on this page, as of the latest one.
Is Robert F. Werner buying or selling?
In the last 12 months Robert F. Werner reported 0 open-market buys worth $0 and 16 open-market sells worth $1.5M on SEC Form 4; the latest was sold $280k of TWST on Oct 2, 2026. Grants, option exercises and tax withholding are not counted.
How did Robert F. Werner's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Robert F. Werner has 0.
Where does Robert F. Werner file Form 4?
Robert F. Werner has filed Form 4 at TWST (Twist Bioscience Corp) as Chief Accounting Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.