Ventrus Biosciences Inc

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Ventrus Biosciences Inc
TickerASMB
CIK #0001426800
CUSIP045396207
SectorLife Sciences - Pharmaceutical Preparations
Address787 7th Avenue 48th Floor, New York, NY 10019
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Ventrus Biosciences Inc 2010-05-24 0.7 M Exemption: 506 · Minimum: $25,000 · Remaining: $50,000 · Duration: One year or less · Commission: $289,243 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001426800] 10-K
[0001426800] 10-Q
[0001426800] 3
[0001426800] 4
[0001426800] 5
[0001426800] 8-K
[0001426800] SC 13D
[0001426800] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Paradigm Biocapital Advisors LP Assembly Biosciences Inc [2026-05-11] 0.0
Janus Henderson Group PLC Assembly Biosciences Inc [2025-12-08] 0.0
RA Capital Management LP Assembly Biosciences Inc [2025-08-18] 0.0
Farallon Capital Partners LP Assembly Biosciences Inc [2025-08-15] 0.0
Commodore Capital LP Assembly Biosciences Inc [2025-08-15] 0.0
Schornstein Alexander Assembly Biosciences Inc [2025-08-12] 0.0
Schornstein Alexander Assembly Biosciences Inc [2024-12-23] 0.0
Armistice Capital LLC Assembly Biosciences Inc [2024-11-14] 5.58
Schornstein Alexander Assembly Biosciences Inc [2023-10-31] 0.0
Gilead Sciences Inc Assembly Biosciences Inc [2023-10-25] 19.9
Deep Track Capital LP Assembly Biosciences Inc [2021-10-12] 5.32
Consonance Capital Management LP Assembly Biosciences Inc [2021-02-17] 5.51
Armistice Capital LLC Assembly Biosciences Inc [2021-02-16] 7.9
Consonance Capital Management LP Assembly Biosciences Inc [2021-02-16] 5.51
Consonance Capital Management LP Assembly Biosciences Inc [2021-02-16] 5.51
Vanguard Group Inc Assembly Biosciences Inc [2021-02-10] 5.9
Satter Muneer A Assembly Biosciences Inc [2021-01-04] 6.7
Consonance Capital Management LP Assembly Biosciences Inc [2020-02-14] 6.43
EcoR1 Capital LLC Assembly Biosciences Inc [2019-12-23] 7.7
Rock Springs Capital Management LP Assembly Biosciences Inc [2019-10-07] 5.06
Armistice Capital LLC Assembly Biosciences Inc [2019-04-25] 6.2
Acuta Capital Partners LLC Assembly Biosciences Inc [2019-02-14] 2.8
Wellington Management Group LLP Assembly Biosciences Inc [2019-02-12] 0.1
Acuta Capital Partners LLC Assembly Biosciences Inc [2018-02-14] 5.4
venBio Select Advisor LLC Assembly Biosciences Inc [2018-02-12] 5.3
BlackRock Inc Assembly Biosciences Inc [2018-02-01] 5.4
Acuta Capital Partners LLC Assembly Biosciences Inc [2017-02-13] 5.7
OrbiMed Advisors LLC Assembly Biosciences Inc [2016-02-12] 3.76
Prudential Financial Inc Assembly Biosciences Inc [2015-02-13] 8.4
Jennison Associates LLC Assembly Biosciences Inc [2015-02-09] 8.4
QVT Financial LP Assembly Biosciences Inc [2015-01-02] 5.02
EcoR1 Capital LLC Assembly Biosciences Inc [2014-10-08] 3.7
Baker Bros Advisors LP Ventrus Biosciences Inc [2014-02-14] 9.98
Visium Asset Management LP Ventrus Biosciences Inc [2013-02-11] 5.3
Sophrosyne Capital LLC Ventrus Biosciences Inc [2013-02-05] 5.12
Broadfin Capital LLC Ventrus Biosciences Inc [2013-02-04] 0.55
Baker Bros Advisors LLC Ventrus Biosciences Inc [2013-02-01] 9.4
Sabby Management LLC Ventrus Biosciences Inc [2013-01-24] 5.06
RA Capital Management LLC Ventrus Biosciences Inc [2012-07-03] 0.9
Rosenwald Lindsay A MD Ventrus Biosciences Inc [2012-04-02] 0.99
[2012-02-14] None
Jennison Associates LLC Ventrus Biosciences Inc [2012-02-14] 5.6
FMR LLC Ventrus Biosciences Inc [2012-02-14] 0.0
Prudential Financial Inc Ventrus Biosciences Inc [2012-02-14] 5.6
Form 3/4/5 Filer 2011 - 2026
Assembly Biosciences Inc
Bjorkquist Jeanette M
McHutchison John G
White Nicole S
Gaggar Anuj
Johnson-Pratt Lisa
Mahony Susan
Okazaki Jason A
Delaney William E IV
Altig Anthony E
Consylman Gina
Houghton Michael
Gilead Sciences Inc
Ringo William R
Schornstein Alexander
Cook Robert Donald II
Cihlar Tomas
Samar Michael P
DiMarchi Richard D
Stamm Luisa M
Holubiak Myron Z
Russo Thomas Joseph
Papkoff Jacqueline Sybil
Kim Helen Susan
Lewis Alan
Colonno Richard James
Small Derek A
Auerbach Mark
Lopatin Uri A
Cooper Graham K
EcoR1 Capital Fund Qualified LP
Rollins Thomas E
Barrett David Jonathan
Barbosa Miguel
Zlotnick Adam
Arnold Lee D
Ellison Russell H
Felder Joseph
Rowland Thomas Andrew
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Bjorkquist Jeanette M
Common Stock
2026-03-30 Sell 312 $26.65 8,315
Bjorkquist Jeanette M
Common Stock
2026-03-30 Sell 16 $27.49 440
White Nicole S
Common Stock
2026-03-30 Sell 9 $27.49 247
White Nicole S
Common Stock
2026-03-30 Sell 188 $26.65 5,010
Delaney William E IV
Common Stock
2026-03-29 Grant 26,000 $0.00
Gaggar Anuj
Common Stock
2026-03-29 Grant 26,000 $0.00
White Nicole S
Common Stock
2026-03-29 Grant 26,000 $0.00
Okazaki Jason A
Common Stock
2026-03-29 Grant 94,250 $0.00
Bjorkquist Jeanette M
Common Stock
2026-03-29 Grant 6,500 $0.00
Gilead Sciences Inc
Class A warrants to purchase Common Stock · derivative
2025-08-08 Buy 1,147,960
Gilead Sciences Inc
Common Stock
2025-08-08 Buy 2,295,920
Gilead Sciences Inc
Class B warrants to purchase Common Stock · derivative
2025-08-08 Buy 1,147,960
Bjorkquist Jeanette M
Common Stock
2025-06-16 Grant 300 $0.00
Bjorkquist Jeanette M
Stock Option (right to buy) · derivative
2025-06-16 Grant 600 $0.00
McHutchison John G
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
Consylman Gina
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
Johnson-Pratt Lisa
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
Mahony Susan
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
Ringo William R
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
Houghton Michael
Stock Option (right to buy) · derivative
2025-06-05 Grant 3,500 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 75 13,754,054
2025-12-31 69 13,724,214
2025-09-30 58 12,927,415
2025-06-30 35 3,148,719
2025-03-31 38 3,175,639
2024-12-31 36 3,185,761
2024-09-30 31 1,030,496
2024-06-30 28 1,175,371
2024-03-31 25 652,234
2023-12-31 46 8,687,893
2023-09-30 33 9,748,824
2023-06-30 33 10,480,593
Form 13F Holdings
Firm Period DFND Voting Shares
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