Keith Crandell

CIK 1219039 · View on SEC EDGAR ↗

Activist

First SEC filing: May 6, 2026 · Latest: May 6, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 90 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

90 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 12, 2021 TWST S 2,555 $107.56 $274,816 76,047 Indirect -3.25% Disposed 27.8% (price as of 2026-08-20)
Aug. 12, 2021 TWST S 41,033 $106.98 $4,389,710 78,602 Indirect -34.30% Disposed 28.5% (price as of 2026-08-20)
Aug. 12, 2021 TWST S 1,412 $106.93 $150,985 486 Direct -74.39% Disposed 28.6% (price as of 2026-08-20)
Dec. 22, 2020 MASS P 300,000 $20.00 $6,000,000 5,725,045 Indirect +5.53% Acquired -48.4% (price as of 2026-08-20)
Dec. 7, 2020 TWST S 21,288 $103.40 $2,201,179 288,104 Indirect -6.88% Disposed 32.9% (price as of 2026-08-20)
Dec. 7, 2020 TWST S 53,712 $103.40 $5,553,821 726,834 Indirect -6.88% Disposed 32.9% (price as of 2026-08-20)
Nov. 2, 2018 TWST P 60,000 $14.00 $840,000 954,146 Indirect +6.71% Acquired 881.9% (price as of 2026-08-20)
Nov. 2, 2018 TWST P 15,000 $14.00 $210,000 2,407,422 Indirect +0.63% Acquired 881.9% (price as of 2026-08-20)
Nov. 27, 2017 QTRX S 2,152 $4.28 $9,211 352,800 Indirect -0.61% Disposed -28.5% (price as of 2026-08-20)
Nov. 27, 2017 QTRX S 9,328 $4.28 $39,924 352,184 Indirect -2.58% Disposed -28.5% (price as of 2026-08-20)

Showing latest 100 of 132 transactions

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
June 11, 2026 MASS Stock Option (option to buy) Common Stock (6,209) $8.22 June 10, 2036 6,209 Acquired
June 11, 2026 MASS Restricted Stock Units Common Stock (13,656) — — 13,656 Acquired
June 10, 2026 MASS Restricted Stock Units Common Stock (14,083) — — 14,083 Disposed
June 17, 2021 MASS Restricted Stock Unit Common Stock, par value $0.001 (1,379) — — 1,379 Acquired
June 17, 2021 MASS Stock Option (option to buy) Common Stock, par value $0.001 (2,455) $41.70 June 17, 2031 2,455 Acquired
Feb. 3, 2021 TWST Director Stock Option (right to buy) Common Stock (973) $189.96 Feb. 2, 2031 973 Acquired
Dec. 22, 2020 MASS Series E Preferred Stock Common Stock, par value $0.001 (180,578) — — 180,578 Disposed
Dec. 22, 2020 MASS Series D Preferred Stock Common Stock, par value $0.001 (665,661) — — 665,661 Disposed
Dec. 22, 2020 MASS Series C Preferred Stock Common Stock, par value $0.001 (669,977) — — 669,977 Disposed
Dec. 22, 2020 MASS Series B Preferred Stock Common Stock, par value $0.001 (981,443) — — 981,443 Disposed
Dec. 22, 2020 MASS Series A Preferred Stock Common Stock, par value $0.001 (2,927,386) — — 2,927,386 Disposed
Dec. 17, 2020 MASS Stock Option (option to buy) Common Stock, par value $0.001 (14,410) $20.00 — 14,410 Acquired
Feb. 4, 2020 TWST Director Stock Option (right to buy) Common Stock $26.20 Feb. 3, 2030 11,297 Acquired
Feb. 4, 2020 TWST Director Stock Option (right to buy) Common Stock (5,648) $26.20 Feb. 3, 2030 5,648 Acquired
July 23, 2019 TWST Director Stock Option (right to buy) Common Stock $30.41 July 22, 2029 10,588 Acquired
July 23, 2019 TWST Director Stock Option (right to buy) Common Stock (5,590) $30.41 July 22, 2029 5,590 Acquired
Nov. 2, 2018 TWST Series D Preferred Stock Common Stock (894,146) — — 894,146 Disposed
Nov. 2, 2018 TWST Series D Preferred Stock Common Stock (224,726) — — 224,726 Disposed
Nov. 2, 2018 TWST Series C Preferred Stock Common Stock (266,776) — — 266,776 Disposed
Nov. 2, 2018 TWST Series B Preferred Stock Common Stock (718,275) — — 718,275 Disposed
Nov. 2, 2018 TWST Series A Preferred Stock Common Stock (1,182,645) — — 1,182,645 Disposed
Aug. 7, 2018 QTRX Stock Option (Right to Buy) Common Stock (7,900) $14.80 Aug. 7, 2028 7,900 Acquired
Dec. 11, 2017 QTRX Series D Preferred Stock Common Stock (1,271,684) — — 4,087,193 Disposed
Dec. 11, 2017 QTRX Series D Preferred Stock Common Stock (381,507) — — 1,226,158 Disposed
Dec. 11, 2017 QTRX Series C Preferred Stock Common Stock (109,769) — — 352,800 Disposed
Dec. 11, 2017 QTRX Series B Preferred Stock Common Stock (477,042) — — 1,533,214 Disposed
Dec. 11, 2017 QTRX Series A-2 Preferred Stock Common Stock (1,045,426) — — 3,360,000 Disposed
Dec. 11, 2017 QTRX Series A-1 Preferred Stock Common Stock (398,257) — — 1,280,000 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (669) — — 2,152 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (861) — — 2,768 Acquired
Nov. 27, 2017 QTRX Warrant to Purchase Series C Preferred Stock (right to buy) [F7] Series C Preferred Stock (2,768) $3.33 Nov. 30, 2017 2,768 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (2,902) — — 9,328 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (3,731) — — 11,993 Acquired
Nov. 27, 2017 QTRX Warrant to Purchase Series C Preferred Stock (right to buy) [F7] Series C Preferred Stock (11,993) $3.33 Nov. 30, 2017 11,993 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (4,464) — — 14,350 Disposed
Nov. 27, 2017 QTRX Series C Preferred Stock [F7] Common Stock (5,740) — — 18,450 Acquired
Nov. 27, 2017 QTRX Warrant to Purchase Series C Preferred Stock (right to buy) [F7] Series C Preferred Stock (18,450) $3.33 Nov. 30, 2017 18,450 Disposed
Oct. 29, 2004 BGMS 6% Convertible Exchangeable Preferred Stock Common — — 200,000 Acquired
March 19, 2004 BGMS Warrants to purchase Common Stock Common (88,390) — Feb. 4, 2007 89,002 Disposed
March 19, 2004 BGMS Series F Convertible Preferred Stock Common (163,473) — — 899,104 Disposed
March 19, 2004 BGMS 6% Convertible Promissory Notes Common (354,837) — April 30, 2004 354,837 Disposed
March 19, 2004 BGMS Warrants to purchase Common Stock Common (91,943) — Nov. 12, 2006 92,580 Disposed
March 19, 2004 BGMS Warrants to purchase Common Stock Common (21,365) — Aug. 8, 2005 26,918 Disposed
March 19, 2004 BGMS Warrants to purchase Series A Convertible Preferred Stock Common (17,425) — Aug. 31, 2007 50,237 Disposed
March 19, 2004 BGMS Series E Convertible Preferred Stock Common (170,045) — — 935,251 Disposed
March 19, 2004 BGMS Series D Convertible Preferred Stock Common (240,352) — — 1,321,942 Disposed
March 19, 2004 BGMS Series C Convertible Preferred Stock Common (203,502) — — 1,119,265 Disposed
March 19, 2004 BGMS Series B Convertible Preferred Stock Common (371,900) — — 2,045,454 Disposed
March 19, 2004 BGMS Series A Convertible Preferred Stock Common (143,539) — — 789,469 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 43 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Dec. 17, 2020 MASS Series A Preferred Stock→ Common Stock, par value $0.001 (2,927,386) 2,927,386 Indirect
Dec. 17, 2020 MASS Series B Preferred Stock→ Common Stock, par value $0.001 (981,443) 981,443 Indirect
Dec. 17, 2020 MASS Series C Preferred Stock→ Common Stock, par value $0.001 (669,977) 669,977 Indirect
Dec. 17, 2020 MASS Series D Preferred Stock→ Common Stock, par value $0.001 (665,661) 665,661 Indirect
Dec. 17, 2020 MASS Series E Preferred Stock→ Common Stock, par value $0.001 (180,578) 180,578 Indirect
Oct. 30, 2018 TWST Series A Preferred Stock→ Common Stock (1,182,645) 1,182,645 Indirect
Oct. 30, 2018 TWST Series B Preferred Stock→ Common Stock (718,275) 718,275 Indirect
Oct. 30, 2018 TWST Series C Preferred Stock→ Common Stock (266,776) 266,776 Indirect
Oct. 30, 2018 TWST Series D Preferred Stock→ Common Stock (224,726) 224,726 Indirect
Oct. 30, 2018 TWST Series D Preferred Stock→ Common Stock (894,146) 894,146 Indirect
Dec. 6, 2017 QTRX Series A-1 Preferred Stock→ Common Stock (398,257) 398,257 Indirect
Dec. 6, 2017 QTRX Series A-2 Preferred Stock→ Common Stock (1,045,426) 1,045,426 Indirect
Dec. 6, 2017 QTRX Series B Preferred Stock→ Common Stock (477,042) 477,042 Indirect
Dec. 6, 2017 QTRX Series C Preferred Stock→ Common Stock (109,769) 109,769 Indirect
Dec. 6, 2017 QTRX Series D Preferred Stock→ Common Stock (381,507) 381,507 Indirect
Dec. 6, 2017 QTRX Series D Preferred Stock→ Common Stock (1,271,684) 1,271,684 Indirect
June 1, 2004 ALNY Common Stock 222,500 Indirect
June 1, 2004 ALNY Series B Convertible Preferred Stock→ Common Stock — Indirect
June 1, 2004 ALNY Series C Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series A Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series B Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series C Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series D Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series E Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Series F Convertible Preferred Stock→ Common Stock — Indirect
March 16, 2004 BGMS Warrants to purchase Series A Convertible Preferred Stock→ Series A Convertible Preferred Stock/Common Stock — Indirect
March 16, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 16, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 16, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 16, 2004 BGMS 6% Convertible Promissory Notes→ Common Stock — Indirect
March 16, 2004 BGMS 6% Convertible Promissory Notes→ Common Stock — Indirect
March 10, 2004 BGMS Series A Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Series B Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Series C Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Series D Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Series E Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Series F Convertible Preferred Stock→ Common Stock — Indirect
March 10, 2004 BGMS Warrants to purchase Series A Convertible Preferred Stock→ Series A Convertible Preferred Stock/Common Stock — Indirect
March 10, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 10, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 10, 2004 BGMS Warrants to purchase Common Stock→ Common Stock — Indirect
March 10, 2004 BGMS 6% Convertible Promissory Notes→ Common Stock — Indirect
March 10, 2004 BGMS 6% Convertible Promissory Notes→ Common Stock — Indirect