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Mark Slezak

Nanosphere Inc
Total declarations
56
Company
1
▲ Purchases (39 ops.)
€10.3M
▼ Sales (0 ops.)
—

Latest filing published 14 Feb 2013 for NANOSPHERE INC.

Insider track record

Disclosed buys
39
Disclosed sells
0
Signal history

No signal scores available.

Closed purchases

Market purchases
39

Not enough history yet: 0 closed purchases, at least 2 are needed.

Purchases by company

Mark Slezak: trading record in brief

Mark Slezak appears in our data through filings on Nanosphere Inc shares, published by SEC (Form 4). We count 56 filings; the first trade dates from 6 November 2007 and the latest from 8 February 2013.

The open-market record is one-sided, with 39 purchases worth €10.3M and not one sale. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. The rest of the record consists of 1 share grant.

In size, the median ticket on the buying side is €58k.

The record was last updated on 14 February 2013 with a transaction in Nanosphere Inc. The last purchase on record was published on 23 July 2012, which is 5,221 days ago. Typically, a trade is published a median of 2 days after it takes place. For comparison, the SEC allows two business days to file a Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.

Companies and markets linked to Mark Slezak

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations48 total
  • ●
    DirectorExecutivesNanosphere Inc
    0SEC
    2,274,096 shares0Common StockSEC:0001209191-13-008891:0
  • ●
    DirectorExecutivesNanosphere Inc
    0SEC
    2,902,407 shares0Common StockSEC:0001209191-13-008891:1
  • ●
    DirectorExecutivesNanosphere Inc
    0SEC
    5,006,136 shares0Common StockSEC:0001209191-13-008891:2
  • ▲
    DirectorExecutivesNanosphere Inc
    2M USD0SEC
    1,000,000 shares@ US$2.40Common StockSEC:0001209191-12-038804:0
    Canonical exit: 17 Oct 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    157,071 USD0SEC
    79,329 shares@ US$1.98Common StockSEC:0001209191-12-034277:0
    Canonical exit: 12 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    470,979 USD0SEC
    229,746 shares@ US$2.05Common StockSEC:0001209191-12-034277:1
    Canonical exit: 13 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    19,800 USD0SEC
    10,000 shares@ US$1.98Common StockSEC:0001209191-12-033811:0
    Canonical exit: 10 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    78,000 USD0SEC
    40,000 shares@ US$1.95Common StockSEC:0001209191-12-033811:1
    Canonical exit: 11 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    39,200 USD0SEC
    20,000 shares@ US$1.96Common StockSEC:0001209191-12-033446:0
    Canonical exit: 6 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    9,750 USD0SEC
    5,000 shares@ US$1.95Common StockSEC:0001209191-12-033446:1
    Canonical exit: 9 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    27,750 USD0SEC
    15,000 shares@ US$1.85Common StockSEC:0001209191-12-033035:0
    Canonical exit: 4 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    24,920 USD0SEC
    13,116 shares@ US$1.90Common StockSEC:0001209191-12-033035:1
    Canonical exit: 5 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    43,750 USD0SEC
    25,000 shares@ US$1.75Common StockSEC:0001209191-12-032626:0
    Canonical exit: 2 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    555,625 USD0SEC
    317,500 shares@ US$1.75Common StockSEC:0001209191-12-032626:1
    Canonical exit: 3 Sept 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    50,700 USD0SEC
    30,000 shares@ US$1.69Common StockSEC:0001209191-12-031917:0
    Canonical exit: 29 Aug 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    152,019 USD0SEC
    88,900 shares@ US$1.71Common StockSEC:0001209191-12-031917:1
    Canonical exit: 30 Aug 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    16,900 USD0SEC
    10,000 shares@ US$1.69Common StockSEC:0001209191-12-031376:0
    Canonical exit: 27 Aug 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    59,850 USD0SEC
    35,000 shares@ US$1.71Common StockSEC:0001209191-12-031013:0
    Canonical exit: 22 Aug 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    9,359 USD0SEC
    5,505 shares@ US$1.70Common StockSEC:0001209191-12-031013:1
    Canonical exit: 23 Aug 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    313,759 USD0SEC
    285,235 shares@ US$1.10Common StockSEC:0001209191-11-051931:0
    Canonical exit: 12 Jan 2012 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    83,700 USD0SEC
    45,000 shares@ US$1.86Common StockSEC:0001209191-11-039090:0
    Canonical exit: 5 Oct 2011 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    130,200 USD0SEC
    70,000 shares@ US$1.86Common StockSEC:0001209191-11-039090:1
    Canonical exit: 6 Oct 2011 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    170,000 USD0SEC
    100,000 shares@ US$1.70Common StockSEC:0001209191-11-036901:0
    Canonical exit: 26 Sept 2011 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    211,950 USD0SEC
    135,000 shares@ US$1.57Common StockSEC:0001209191-11-036593:0
    Canonical exit: 22 Sept 2011 (T+90)
  • ▲
    DirectorExecutivesNanosphere Inc
    246,000 USD0SEC
    150,000 shares@ US$1.64Common StockSEC:0001209191-11-036593:1
    Canonical exit: 25 Sept 2011 (T+90)

25 of 48 declarations