Chow Gregory K. Insider Trades

Insider Trading History

Track insider trading activity for Chow Gregory K.. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Sutro Biopharma
Sutro Biopharma STRO
CFO
Holding Value $1.15M 40,000 shares
Last Trade
Mar 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$925k 45,000 shares
$20.54
$28.68
Sutro Biopharma
Sutro Biopharma STRO
CFO
Holding Value $235k 8,200 shares
Last Trade
Dec 23, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$85.1k 8,200 shares
$10.38
$28.68
Sutro Biopharma
Sutro Biopharma STRO
CFO
Holding Value $566k 19,750 shares
Last Trade
Oct 15, 2025 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$16k 19,750 shares
$0.81
$28.68
Sutro Biopharma
Sutro Biopharma STRO
CFO
Holding Value $7.89M 275,000 shares
Last Trade
Jun 02, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$248k 275,000 shares
$0.90
$28.68
Aptose Biosciences
Aptose Biosciences APTO
Executive VP & CFO
Holding Value $587k 343,000 shares
Last Trade
Jan 04, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$22.5M 343,000 shares
$65.55
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Executive VP & CFO
Holding Value $398k 232,846 shares
Last Trade
Jul 10, 2020 Sale (Open Market)Shares sold on the open market or in a private sale.
$11.4M 126,668 shares
$90.30
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Executive VP & CFO
Holding Value $615k 359,514 shares
Last Trade
Mar 10, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$23.9M 225,000 shares
$106.20
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Executive VP & CFO
Holding Value $615k 359,514 shares
Last Trade
Mar 10, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$23.9M 225,000 shares
$106.20
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Executive VP & CFO
Holding Value $2.05M 1,200,000 shares
Last Trade
Jan 31, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$123M 1,200,000 shares
$102.90
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $230k 134,514 shares
Last Trade
Jun 05, 2019 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$208k 7,500 shares
$27.75
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $217k 127,014 shares
Last Trade
Mar 13, 2019 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$407k 15,000 shares
$27.15
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $513k 300,000 shares
Last Trade
Jan 02, 2019 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.9M 300,000 shares
$33.00
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jan 22, 2018 Sale
$17.4M 350,000 shares
$49.80
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jan 19, 2018 Sale
$6.91M 150,000 shares
$46.05
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jun 06, 2017 Sale
$773k 50,000 shares
$15.45
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Mar 28, 2017 Sale
$1.65M 100,000 shares
$16.50
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Mar 31, 2016 Sale
$2.7M 60,000 shares
$45.00
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jun 10, 2015 Sale
$5M 60,000 shares
$83.25
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jul 18, 2014 Sale
$4.74M 64,167 shares
$73.80
$1.71
Aptose Biosciences
Aptose Biosciences APTO
Senior VP & CFO
Holding Value $0 0 shares
Last Trade
Jun 16, 2014 Sale
$1.75M 22,083 shares
$79.20
$1.71

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