Leff Jonathan S Insider Trades

Insider Trading History

Track insider trading activity for Leff Jonathan 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
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $203k 55,150 shares
Last Trade
May 19, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$184k 55,150 shares
$3.33
$3.68
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $69.9k 19,000 shares
Last Trade
May 13, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$35.7k 19,000 shares
$1.88
$3.68
BiomX
BiomX PHGE
Director
Holding Value $8.12k 17,600 shares
Last Trade
Apr 14, 2025 Sale (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.5k 17,600 shares
$0.54
$0.46
BiomX
BiomX PHGE
Director
Holding Value $8.12k 17,600 shares
Last Trade
Apr 14, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$9.5k 17,600 shares
$0.54
$0.46
BiomX
BiomX PHGE
Director
Holding Value $122k 264,000 shares
Last Trade
Jul 11, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$879k 264,000 shares
$3.33
$0.46
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $69.9k 19,000 shares
Last Trade
May 29, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$134k 19,000 shares
$7.07
$3.68
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $30.5k 8,300 shares
Last Trade
May 09, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$42.2k 8,300 shares
$5.09
$3.68
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $30.5k 8,300 shares
Last Trade
May 10, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$24.3k 8,300 shares
$2.92
$3.68
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $30.5k 8,300 shares
Last Trade
May 12, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$85.8k 8,300 shares
$10.34
$3.68
Larimar Therapeutics
Larimar Therapeutics LRMR
Director
Holding Value $61.1k 16,600 shares
Last Trade
Sep 29, 2020 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$247k 16,600 shares
$14.89
$3.68
Protara Therapeutics
Protara Therapeutics TARA
Director
Holding Value $50.8k 12,700 shares
Last Trade
Jun 08, 2018 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$1.27M 12,700 shares
$100.00
$4.00
Protara Therapeutics
Protara Therapeutics TARA
Director
Holding Value $53.3k 13,333 shares
Last Trade
Aug 02, 2017 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$693k 13,333 shares
$52.00
$4.00
Alpine Immune Sciences
Alpine Immune Sciences ALPN
Director
Holding Value $497k 7,650 shares
Last Trade
Sep 11, 2015 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$468k 7,650 shares
$61.12
$64.97
Alpine Immune Sciences
Alpine Immune Sciences ALPN
Director
Holding Value $746k 11,475 shares
Last Trade
Jul 16, 2015 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$803k 11,475 shares
$69.96
$64.97
Viracta Therapeutics
Viracta Therapeutics VIRX
10% owner
Holding Value $98 10,000 shares
Last Trade
Jun 05, 2008 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
No data
No data
$0.01
Viracta Therapeutics
Viracta Therapeutics VIRX
10% owner
Holding Value $98 10,000 shares
Last Trade
Jun 05, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
No data
No data
$0.01
Viracta Therapeutics
Viracta Therapeutics VIRX
Director
Holding Value $42.2k 4,304,075 shares
Last Trade
May 30, 2007 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
No data
No data
$0.01
Viracta Therapeutics
Viracta Therapeutics VIRX
10% owner
Holding Value $98 10,000 shares
Last Trade
Jun 19, 2006 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
No data
No data
$0.01
Viracta Therapeutics
Viracta Therapeutics VIRX
10% owner
Holding Value $2.37k 241,546 shares
Last Trade
Mar 17, 2006 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
No data
No data
$0.01
Viracta Therapeutics
Viracta Therapeutics VIRX
10% owner
Holding Value $35.5k 3,626,875 shares
Last Trade
Mar 17, 2006 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
No data
No data
$0.01

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