Bill Peck
Insider
First SEC filing: Oct. 30, 2018 · Latest: Oct. 30, 2018
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 1, 2019 | TWST | D 10b5-1 | 15,637 | $25.10 | $392,489 | 646,112 Direct | -2.36% | Disposed | 716.7% (price as of 2026-10-05) |
| Nov. 1, 2019 | TWST | D 10b5-1 | 4,363 | $24.43 | $106,588 | 661,749 Direct | -0.65% | Disposed | 739.1% (price as of 2026-10-05) |
| Oct. 24, 2019 | TWST | A | 11,910 | · | · | 11,910 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 24, 2019 | TWST | A | 2,780 | · | · | 666,112 Direct | +0.42% | Acquired | (price as of 2026-10-05) |
| Oct. 1, 2019 | TWST | S 10b5-1 | 100 | $24.36 | $2,436 | 663,332 Direct | -0.02% | Disposed | 741.5% (price as of 2026-10-05) |
| Oct. 1, 2019 | TWST | S 10b5-1 | 7,600 | $23.79 | $180,804 | 663,432 Direct | -1.13% | Disposed | 761.7% (price as of 2026-10-05) |
| Oct. 1, 2019 | TWST | S 10b5-1 | 12,300 | $22.71 | $279,333 | 671,032 Direct | -1.80% | Disposed | 802.7% (price as of 2026-10-05) |
| Sept. 16, 2019 | TWST | S 10b5-1 | 19,153 | $30.06 | $575,739 | 683,332 Direct | -2.73% | Disposed | 582.0% (price as of 2026-10-05) |
| Sept. 13, 2019 | TWST | S 10b5-1 | 400 | $30.00 | $12,000 | 702,485 Direct | -0.06% | Disposed | 583.3% (price as of 2026-10-05) |
| Sept. 3, 2019 | TWST | S 10b5-1 | 2,454 | $29.82 | $73,178 | 702,885 Direct | -0.35% | Disposed | 587.5% (price as of 2026-10-05) |
| Sept. 3, 2019 | TWST | S 10b5-1 | 6,500 | $28.88 | $187,720 | 705,339 Direct | -0.91% | Disposed | 609.8% (price as of 2026-10-05) |
| Sept. 3, 2019 | TWST | S 10b5-1 | 11,493 | $27.87 | $320,310 | 711,839 Direct | -1.59% | Disposed | 635.6% (price as of 2026-10-05) |
| Nov. 19, 2018 | TWST | A | 15,002 | · | · | 723,332 Direct | +2.12% | Acquired | (price as of 2026-10-05) |
| Nov. 19, 2018 | TWST | A | 35,004 | · | · | 35,004 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Oct. 24, 2019 | TWST | Employee Stock Option (right to buy) | Common Stock | $23.33 | Oct. 23, 2029 | 11,910 | Acquired |
| Nov. 19, 2018 | TWST | Employee Stock Option (right to buy) | Common Stock | $26.66 | Nov. 18, 2028 | 35,004 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.