As filed with the Securities and Exchange Commission on February 22, 2019
Registration
No. 333-130241
Registration
No. 333-141804
Registration
No. 333-149225
Registration
No. 333-151857
Registration
No. 333-158142
Registration
No. 333-160109
Registration
No. 333-176014
Registration
No. 333-196414
Registration
No. 333-206132
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-130241
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-141804
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-149225
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-151857
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-158142
Post-Effective Amendment No. 2 to Form
S-8
Registration Statement
No. 333-160109
Post-Effective Amendment No. 2 to Form
S-8
Registration Statement
No. 333-176014
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-196414
Post-Effective Amendment No. 1 to Form
S-8
Registration Statement
No. 333-206132
UNDER
THE SECURITIES ACT OF 1933
NXSTAGE
MEDICAL, INC.
(Exact name of registrant as specified in its charter)
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Delaware
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04-3454702
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(State or other jurisdiction of incorporation or
organization)
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(I.R.S. Employer Identification No.)
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350 Merrimack Street
Lawrence, MA 01843
(978)
687-4700
(
Address, including zip code, and telephone number, including area code, of
registrants principal executive offices)
1999 Stock
Option and Grant Plan
2005 Stock Incentive Plan
2005 Employee Stock Purchase Plan
2014 Omnibus Incentive Plan
(Full Titles of the Plans)
William Valle
Chief Executive Officer
NxStage Medical, Inc.
350 Merrimack Street
Lawrence, MA 01843
(978)
687-4700
(Name, address, including zip code, and telephone number, including area code, of
agent for service)
With copies to:
Paul Kinsella
Zachary Blume
Ropes & Gray LLP
Prudential Tower
800
Boylston St.
Boston, Massachusetts 02199
(617)
951-7000
Indicate by check mark whether
the registrant is a large accelerated filer, an accelerated filer, a
non-accelerated
filer, a smaller reporting company or an emerging growth company. See the definitions of large accelerated
filer, accelerated filer, smaller reporting company, and emerging growth company in Rule
12b-2
of the Exchange Act.
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Large accelerated filer
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☒
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Accelerated filer
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☐
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Non-accelerated filer
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☐
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Smaller reporting company
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☐
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Emerging growth company
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☐
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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐