Posner Brian S Insider Trades

Insider Trading History

Track insider trading activity for Posner Brian S. 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
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $583k 24,500 shares
Last Trade
Jun 08, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$33.9k 2,000 shares
$16.94
$23.78
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $836k 35,152 shares
Last Trade
Jun 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$599k 35,152 shares
$17.04
$23.78
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int ACGLP
Director
Holding Value $0 0 shares
Last Trade
Jun 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$75k 3,000 shares
$24.99
$24.99
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int ACGLN
Director
Holding Value $0 0 shares
Last Trade
Jun 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$49.3k 3,000 shares
$16.43
$16.14
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int ACGLO
Director
Holding Value $0 0 shares
Last Trade
Jun 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$59k 3,000 shares
$19.66
$19.30
Arch Capital Group
Arch Capital Group ACGL
Director
Holding Value $0 0 shares
Last Trade
Jun 03, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$264k 3,000 shares
$87.89
$101.53
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $535k 22,500 shares
Last Trade
Jun 03, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$43.7k 2,500 shares
$17.48
$23.78
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $476k 20,000 shares
Last Trade
May 26, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$36.4k 2,000 shares
$18.21
$23.78
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $428k 18,000 shares
Last Trade
May 20, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$42.8k 2,500 shares
$17.12
$23.78
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int ACGLO
Director
Holding Value $0 0 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$40.7k 2,000 shares
$20.37
$19.30
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int ACGLP
Director
Holding Value $0 0 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$50k 2,000 shares
$24.99
$24.99
Arch Capital Group
Arch Capital Group ACGL
Director
Holding Value $0 0 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$188k 2,000 shares
$93.83
$101.53
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int ACGLN
Director
Holding Value $0 0 shares
Last Trade
May 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$34.3k 2,000 shares
$17.14
$16.14
Arch Capital Group
Arch Capital Group ACGL
Director
Holding Value $12.4M 122,175 shares
Last Trade
May 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$195k 2,071 shares
$94.14
$101.53
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int ACGLO
Director
Holding Value $2.36M 122,175 shares
Last Trade
May 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$41.9k 2,071 shares
$20.21
$19.30
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int
Arch Capital Group Ltd - 5.25% PRF PERPETUAL USD 25 - Ser E 1/1000th Int ACGLP
Director
Holding Value $3.05M 122,175 shares
Last Trade
May 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$51.8k 2,071 shares
$24.99
$24.99
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int
Arch Capital Group Ltd - 4.55% PRF PERPETUAL USD 25 - Ser G 1/1,000th Int ACGLN
Director
Holding Value $1.97M 122,175 shares
Last Trade
May 05, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$35.4k 2,071 shares
$17.10
$16.14
Dyne Therapeutics
Dyne Therapeutics DYN
Director
Holding Value $369k 15,500 shares
Last Trade
Mar 30, 2026 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$34.2k 2,000 shares
$17.08
$23.78
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int
Arch Capital Group Ltd - 5.45% PRF PERPETUAL USD 25 - Ser F 1/1000 th Int ACGLO
Director
Holding Value $38.6k 2,000 shares
Last Trade
Mar 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$61.5k 3,000 shares
$20.49
$19.30
Arch Capital Group
Arch Capital Group ACGL
Director
Holding Value $203k 2,000 shares
Last Trade
Mar 11, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$284k 3,000 shares
$94.81
$101.53

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