Leff Jonathan S

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Leff Jonathan S
CIK #0001215242
EDGAR Form CIK 2011 - 2026
3 [0001215242]
4 [0001215242]
Form 3/4/5 Subject 2011 - 2026
Zafgen Inc
Leff Jonathan S
BiomX Inc
ARS Pharmaceuticals Inc
Proteon Therapeutics Inc
AveXis Inc
Alpine Immune Sciences Inc
Intermune Inc
Allos Therapeutics Inc
Talon Therapeutics Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Zafgen Inc LRMR
Stock Option (Right to Buy) · derivative
2025-05-13 Grant 19,000 $0.00
BiomX Inc PHGE
Common Stock Options - right to Buy · derivative
2025-04-14 Grant 17,600 $0.00
BiomX Inc PHGE
Common Stock Options - Right to Buy · derivative
2024-07-11 Grant 264,000 $0.00
Zafgen Inc LRMR
Stock Option (Right to Buy) · derivative
2024-05-29 Grant 19,000 $0.00
Zafgen Inc LRMR
Stock Option (Right to Buy) · derivative
2023-05-09 Grant 8,300 $0.00
Zafgen Inc LRMR
Stock Option (Right to Buy) · derivative
2022-05-10 Grant 8,300 $0.00
Zafgen Inc LRMR
Stock Option (right to buy) · derivative
2021-05-12 Grant 8,300 $0.00
Zafgen Inc LRMR
Stock Option (right to buy) · derivative
2020-09-29 Grant 16,600 $0.00
Proteon Therapeutics Inc PRTO
Stock Option (Right to Buy) · derivative
2018-06-08 Grant 12,700 $0.00
Proteon Therapeutics Inc PRTO
Stock Option (Right to Buy) · derivative
2017-08-02 Grant 13,333 $0.00
AveXis Inc AVXS
Stock Option (Right to Buy) · derivative
2016-02-10 Grant 8,385 $0.00
AveXis Inc AVXS
Stock Option (Right to Buy) · derivative
2016-02-10 Grant 18,111 $0.00
Alpine Immune Sciences Inc NVLS
Stock Option (Right to Buy) · derivative
2015-09-11 Grant 7,650 $0.00
Alpine Immune Sciences Inc NVLS
Stock Option (Right to Buy) · derivative
2015-07-16 Grant 11,475
Intermune Inc ITMN
Common Stock
2013-02-28 Tax withheld 7,108 $8.79 62,479
Allos Therapeutics Inc ALTH
Common Stock
2012-09-04 Tender 55,000 $1.82 100,100
Intermune Inc ITMN
Common Stock
2012-06-04 Grant 2,500 $10.10 25,250
Intermune Inc ITMN
Stock Option (Right to Buy) · derivative
2012-06-04 Grant 6,000 $0.00
Talon Therapeutics Inc TLON
Stock Option (right to buy) · derivative
2012-02-17 Grant 35,000 $0.00
Talon Therapeutics Inc TLON
Right to acquire Series A-3 Convertible Preferred Stock · derivative
2012-01-09 Grant 1
showing 20 of 21 most recent transactions
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