Filing Details

Accession Number:
0001012975-11-000247
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-09-02 17:56:26
Reporting Period:
2011-08-31
Filing Date:
2011-09-02
Accepted Time:
2011-09-02 17:56:26
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1333170 Nxstage Medical Inc. NXTM Electromedical & Electrotherapeutic Apparatus (3845) 043454702
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1192212 O. Philippe Chambon C/o New Leaf Venture Partners
7 Times Square, Suite 3502
New York NY 10036
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2011-08-31 57,480 $18.47 2,102,914 No 4 S Indirect See footnotes
Common Stock Disposition 2011-09-01 2,085 $18.52 2,100,829 No 4 S Indirect See footnotes
Common Stock Acquisiton 2011-09-01 112,862 $5.50 2,213,691 No 4 X Indirect See footnotes
Common Stock Disposition 2011-09-01 34,892 $17.79 2,178,799 No 4 S Indirect See footnotes
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Indirect See footnotes
No 4 S Indirect See footnotes
No 4 X Indirect See footnotes
No 4 S Indirect See footnotes
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Warrants (right to buy) Disposition 2011-09-01 112,862 $0.00 112,862 $5.50
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
85,964 2008-05-22 2013-05-22 No 4 X Indirect
Footnotes
  1. See Footnote 1 in Exhibit 99.1
  2. See Footnote 2 in Exhibit 99.1
  3. See Footnote 3 in Exhibit 99.1
  4. See Footnote 4 in Exhibit 99.1
  5. See Footnote 5 in Exhibit 99.1
  6. See Footnote 6 in Exhibit 99.1
  7. See Footnote 7 in Exhibit 99.1
  8. See Footnote 8 in Exhibit 99.1