Kosan Biosciences Inc (KOSN)

HEALTH CARE: PHARMACEUTICALS
SIC: SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
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3832 BAY CENTER PLACE HAYWARD, CA 94545

Develops drug candidates from a class of natural product compounds known as polyketides. In March 2005, it had two polyketide-derived agents in Phase II and Phase Ib clinical trials for the treatment of cancer: KOS-862 (Epothilone D) and 17-AAG, a geldanamycin analog and Hsp90 inhibitor.

View SEC Filings from KOSN instead.
Q1 2021 All 13F Filers Prior Change Hedge Funds 1 Prior Change
No data found for this quarter.
1 hedge funds and active managers as identified by whalewisdom.com through public filings.

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Funds Holding KOSN (via 13F filings)

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*Shares are split adjusted
*Please note that if a filer hasn't submitted a 13F filing for a quarter then the filer's shares will be listed as "Sold All"

Mutual Funds Holding KOSN BETA

Active Schedule 13D and 13G filings

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Open Market Buys/Sells Last 60 Days

Open Market Buys (P)

none

Open Market Sells (S)

none

Exercise Derivative Conversion (M)

none

Current/Former Insiders

Insider Name Type Last Reported Shares Held Last Reported Date Filings in past year

KIM HELEN SUSAN PRESIDENT AND CEO

  • Officer
No longer subject to file 2008-06-26 0

TIMMERMANS PIETER B SVP DRUG DISC & PRECLIN DEV

  • Officer
No longer subject to file 2008-06-26 0

LICARI PETER SVP MANUFACTURING & OPERATIONS

  • Officer
No longer subject to file 2008-06-26 0

TITUS GARY SR. VP AND CFO

  • Officer
No longer subject to file 2008-06-26 0

WRIGHT JONATHAN K. SVP AND GENERAL COUNSEL

  • Officer
No longer subject to file 2008-06-26 0

WALSH CHRISTOPHER T PHD

  • Director
No longer subject to file 2008-06-26 0

KHOSLA CHAITAN PHD

  • Director
No longer subject to file 2008-06-26 0

DELEAGE JEAN

  • Director
0 2008-06-26 0

CLEMENS KEVAN

  • Director
No longer subject to file 2008-06-26 0

CHABNER BRUCE A MD

  • Director
No longer subject to file 2008-06-26 0

DAVIS PETER PHD

  • Director
No longer subject to file 2008-06-26 0

COHEN PAMELA SARAH CHIEF MEDICAL OFFICER

  • Officer
0 2008-06-26 0

JOHNSON ROBERT G JR MD PHD PRESIDENT AND CEO

  • Officer
  • Director
0 2008-01-02 0

Insider Transactions Last 60 Days

Reporting Owners Filing Date Trans Date Trans Code Shares Share Price Acquired
Disposed
Shares Owned after D/I 10b5 Perf 1d* Perf 5d* Perf 1m* Max Gain Max Gain Days Max Loss Max Loss Days
No current insider transactions

* -

Transaction Code Definitions
Code Definition
A Grant, award or other acquisition pursuant to Rule 16b-3(d)
C Conversion of derivative security
D Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
E Expiration of short derivative position
F Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
G Bona fide gift
H Expiration (or cancellation) of long derivative position with value received
I Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities
J Other acquisition or disposition
L Small acquisition under Rule 16a-6
M Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
O Exercise of out-of-the-money derivative security
P Open market or private purchase of non-derivative or derivative security
S Open market or private sale of non-derivative or derivative security
U Disposition pursuant to a tender of shares in a change of control transaction
W Acquisition or disposition by will or the laws of descent and distribution
X Exercise of in-the-money or at-the-money derivative security
Z Deposit into or withdrawal from voting trust

IBR Securities Loan Availability

Updated throughout the day, this shows the number of shares available to borrow. Data provided by Interactive Brokers

Security Date/Time Rebate Rate Fee Rate Shares Available

Current Active Short Positions

Holder Issuer Net Short Position Position Date Origin

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