Crandell Keith insider trades

Name: Crandell Keith Form 4 insider trades
Creator: WaveMan
License: https://wave-man.com/terms

Crandell Keith has filed 25 Form 4s with the SEC that we hold, for Quanterix Corp (QTRX) (Director), Twist Bioscience Corp (TWST) (Director), 908 Devices Inc. (MASS) (Director) and DALS (Director, 10% owner), among 6 companies in all. Across all of them we count 1 purchase worth $16.0M and 4 sales worth $4.9M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($39.8K). The largest single trade was a purchase of 1,600,000 shares of DALS worth $16.0M, dated 2021-07-30. The first filing on our record is dated 2021-07-06 and the latest 2026-07-06.

Quanterix Corp (QTRX)

Director · 9 filings · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Twist Bioscience Corp (TWST)

Director · 6 filings · 3 purchases and sales

Trade date	Code	Shares	Value as filed	Filed
2021-08-12	S, sale reported on Form 4	1,412	$151.0K	2021-08-13
2021-08-12	S, sale reported on Form 4	2,555	$274.8K	2021-08-13
2021-08-12	S, sale reported on Form 4	41,033	$4.4M	2021-08-13

908 Devices Inc. (MASS)

Director · 5 filings · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

DALS

Director, 10% owner · 3 filings · 1 purchase or sale

Trade date	Code	Shares	Value as filed	Filed
2021-07-30	P, purchase reported on Form 4	1,600,000	$16.0M	2021-08-03

Boundless Bio, Inc. (BOLD)

10% owner · 1 filing · 1 purchase or sale

Trade date	Code	Shares	Value as filed	Filed
2026-07-01	S, sale reported on Form 4	16,000	$39.8K	2026-07-06

Vir Biotechnology, Inc. (VIR)

10% owner · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1219039) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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