InsiderTrades

CRANDELL KEITH

SEC CIK 1219039 · EDGAR

Buying vs selling by month open-market trades, last 60 months, all 5 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
BOLDBoundless Bio, Inc.10% 16.0K — $39.8K 22026-07-012026-07-01
MASS908 Devices Inc.Dir, 10% 39.4K — — 52022-06-152026-06-10
TWSTTwist Bioscience CorpDir, 10% 27.6K — $4.82M 82021-02-112026-02-05
QTRXQuanterix CorpDir, 10% 131.2K — — 172021-03-092023-04-03
VIRVir Biotechnology, Inc.10% 52.3K — — 22022-08-302022-08-30

Most active insiders at BOLD, 12 months

#InsiderTitleBoughtSold
1 TANG KEVIN10% $1.52M$54.4K
2 ARCH Venture Fund IX, L.P.10% —$39.8K
3 CRANDELL KEITH10% —$39.8K

Transactions 34

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DI 2026-07-06 17:44 2026-07-01 BOLD Boundless Bio, Inc. CRANDELL KEITH 10% M - OptEx $1.03 +16.0K 16.0K New +$16.5K
DI 2026-07-06 17:44 2026-07-01 BOLD Boundless Bio, Inc. CRANDELL KEITH 10% S - Sale+OE $2.49 -16.0K 0 -100% -$39.8K
D 2026-06-12 16:46 2026-06-10 MASS 908 Devices Inc. CRANDELL KEITH Dir M - OptEx — +14.1K 39.4K +56% —
2026-02-09 2026-02-05 TWST Twist Bioscience Corp CRANDELL KEITH Dir A - Grant $0.00 +5,095 27.6K +23% $0
D 2025-06-13 2025-06-11 MASS 908 Devices Inc. CRANDELL KEITH Dir, 10% M - OptEx — +11.4K 25.3K +82% —
2025-02-07 2025-02-05 TWST Twist Bioscience Corp CRANDELL KEITH Dir A - Grant $0.00 +4,472 22.5K +25% $0
D 2024-06-14 2024-06-12 MASS 908 Devices Inc. CRANDELL KEITH Dir, 10% M - OptEx — +7,777 13.9K +126% —
2024-02-09 2024-02-06 TWST Twist Bioscience Corp CRANDELL KEITH Dir A - Grant $0.00 +5,815 18.0K +48% $0
D 2023-06-16 2023-06-14 MASS 908 Devices Inc. CRANDELL KEITH Dir, 10% M - OptEx — +4,771 6,150 +346% —
2023-04-04 2023-04-03 QTRX Quanterix Corp CRANDELL KEITH Dir A - Grant $11.16 +1,170 131.2K +0.9% +$13.1K
2023-02-09 2023-02-07 TWST Twist Bioscience Corp CRANDELL KEITH Dir, 10% A - Grant $0.00 +8,212 12.2K +206% $0
DM 2023-01-04 2023-01-03 QTRX Quanterix Corp CRANDELL KEITH Dir A - Grant $1.43 +9,098 130.1K +8% +$13.1K
2022-10-05 2022-10-03 QTRX Quanterix Corp CRANDELL KEITH Dir A - Grant $10.48 +1,326 121.0K +1% +$13.9K
MI 2022-09-01 2022-08-30+ VIR Vir Biotechnology, Inc. CRANDELL KEITH 10% J - Other $0.00 -994.1K 52.3K -95% $0
M 2022-09-01 2022-08-30+ VIR Vir Biotechnology, Inc. CRANDELL KEITH 10% J - Other $0.00 +29.1K 27.6K New $0
2022-07-06 2022-07-01 QTRX Quanterix Corp CRANDELL KEITH Dir, 10% A - Grant $16.79 +893 119.6K +0.8% +$15.0K
D 2022-06-17 2022-06-15 MASS 908 Devices Inc. CRANDELL KEITH Dir, 10% M - OptEx — +1,379 1,379 New —
2022-04-05 2022-04-01 QTRX Quanterix Corp CRANDELL KEITH Dir, 10% A - Grant $30.47 +492 118.7K +0.4% +$15.0K
2022-02-10 2022-02-08 TWST Twist Bioscience Corp CRANDELL KEITH Dir A - Grant $0.00 +3,491 3,977 +718% $0
DM 2022-01-05 2022-01-03 QTRX Quanterix Corp CRANDELL KEITH Dir, 10% A - Grant $4.38 +2,975 118.0K +3% +$13.0K
DM 2022-01-05 2021-11-16+ QTRX Quanterix Corp CRANDELL KEITH Dir, 10% J - Other $0.00 +19.3K 106.0K +22% $0
DMI 2022-01-05 2021-11-16+ QTRX Quanterix Corp CRANDELL KEITH Dir, 10% J - Other $0.00 -600.2K 177.2K -77% $0
2021-10-05 2021-10-01 QTRX Quanterix Corp CRANDELL KEITH Dir, 10% A - Grant $51.18 +254 96.0K +0.3% +$13.0K
M 2021-10-05 2021-08-10+ QTRX Quanterix Corp CRANDELL KEITH Dir, 10% J - Other $0.00 +19.9K 85.8K +30% $0
MI 2021-10-05 2021-08-10+ QTRX Quanterix Corp CRANDELL KEITH Dir, 10% J - Other $0.00 -620.0K 354.4K -64% $0
2021-08-13 2021-08-12 TWST Twist Bioscience Corp CRANDELL KEITH Dir S - Sale $106.93 -1,412 486 -74% -$151.0K
MI 2021-08-13 2021-02-11+ TWST Twist Bioscience Corp CRANDELL KEITH Dir J - Other $0.00 -978.0K 0 -100% $0
MI 2021-08-13 2021-08-12 TWST Twist Bioscience Corp CRANDELL KEITH Dir S - Sale $107.01 -43.6K 78.6K -36% -$4.66M
MAI 2021-07-06 2021-03-09+ QTRX Quanterix Corp CRANDELL KEITH Dir J - Other $0.00 -850.0K 883.9K -49% $0
MA 2021-07-06 2021-03-09+ QTRX Quanterix Corp CRANDELL KEITH Dir J - Other $0.00 +27.3K 28.1K +3,489% $0
A 2021-07-06 2021-04-01 QTRX Quanterix Corp CRANDELL KEITH Dir A - Grant $61.45 +211 41.9K +0.5% +$13.0K
M 2021-07-06 2021-05-13+ QTRX Quanterix Corp CRANDELL KEITH Dir J - Other $0.00 +33.7K 53.2K +173% $0
2021-07-06 2021-07-01 QTRX Quanterix Corp CRANDELL KEITH Dir A - Grant $59.48 +218 75.9K +0.3% +$13.0K
MI 2021-07-06 2021-05-13+ QTRX Quanterix Corp CRANDELL KEITH Dir J - Other $0.00 -1.05M 745.2K -58% $0

Purchase Sale Sale after option exercise All abbreviations