Mason Stephen M Insider Trades

Insider Trading History

Track insider trading activity for Mason Stephen M. 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
Holding Value $5.83M 25,490 shares
Last Trade
Dec 01, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$126k 595 shares
$212.26
$228.91
Holding Value $14.8M 64,663 shares
Last Trade
Aug 19, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$6.19M 41,575 shares
$148.82
$228.91
Holding Value $15.5M 67,660 shares
Last Trade
Aug 15, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$4.63M 30,811 shares
$150.22
$228.91
Holding Value $22.5M 98,471 shares
Last Trade
Aug 15, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.34M 8,957 shares
$149.61
$228.91
Holding Value $20.5M 89,514 shares
Last Trade
Aug 12, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$7.98M 54,537 shares
$146.30
$228.91
Holding Value $8.01M 34,977 shares
Last Trade
Jun 30, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$952k 5,694 shares
$167.18
$228.91
Holding Value $0 0 shares
Last Trade
Aug 19, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.64M 14,961 shares
$109.79
$228.91
Holding Value $9.4M 41,071 shares
Last Trade
Aug 19, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$5.13M 46,998 shares
$109.21
$228.91
Holding Value $20.1M 87,669 shares
Last Trade
Aug 19, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.64M 14,961 shares
$109.79
$228.91
Holding Value $16.6M 72,708 shares
Last Trade
Aug 16, 2024 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$214k 1,985 shares
$107.91
$228.91
Holding Value $17.1M 74,693 shares
Last Trade
Aug 15, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.3M 12,047 shares
$107.91
$228.91
Holding Value $14.3M 62,646 shares
Last Trade
Aug 15, 2024 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$2.2M 20,667 shares
$106.36
$228.91
Holding Value $19.1M 83,313 shares
Last Trade
Aug 13, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$4.71M 45,958 shares
$102.58
$228.91
Holding Value $14.6M 63,860 shares
Last Trade
Aug 17, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$3.27M 37,500 shares
$87.32
$228.91
Holding Value $17.1M 74,855 shares
Last Trade
Aug 16, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.2M 13,274 shares
$90.40
$228.91
Holding Value $14.1M 61,581 shares
Last Trade
Aug 15, 2023 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$2.39M 25,701 shares
$92.99
$228.91
Holding Value $20M 87,282 shares
Last Trade
Aug 07, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.53M 38,282 shares
$92.22
$228.91
Holding Value $25.2M 110,216 shares
Last Trade
Nov 07, 2022 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.37M 16,864 shares
$80.98
$228.91
Holding Value $11.2M 49,000 shares
Last Trade
Nov 07, 2022 Sale (Open Market)Shares sold on the open market or in a private sale.
$4.95M 61,216 shares
$80.87
$228.91
Holding Value $0 0 shares
Last Trade
Nov 07, 2022 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$986k 12,176 shares
$80.98
$228.91

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