- Company Directors - S
- Stemberg Thomas
Insider Trading History of Stemberg Thomas
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Stemberg Thomas since 2006.
The trader's CIK number is 1180655.
At the time of the last reporting, Stemberg Thomas was the Director of Carmax Inc. (stock ticker symbol KMX).
Also see all insider trading activities at Carmax Inc.
Note that in the past
STEMBERG THOMAS also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Polycom Inc (PLCM) by Stemberg Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2007 | PLCM | 0 | $0 | 63,260 | $2,153,538 | 63,260 | $1,060,805 |
| 2006 | PLCM | 0 | $0 | 37,450 | $894,493 | 37,450 | $396,782 |
Yearly summary of insider trading at Petsmart Inc (PETM) by Stemberg Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2011 | PETM | 0 | $0 | 2,588 | $115,743 | 3,588 | $45,621 |
| 2009 | PETM | 0 | $0 | 18,255 | $415,556 | 20,255 | $127,100 |
| 2008 | PETM | 0 | $0 | 8,000 | $218,824 | 11,000 | $82,029 |
| 2007 | PETM | 0 | $0 | 2,185 | $59,220 | 2,185 | $15,567 |
| 2006 | PETM | 0 | $0 | 13,815 | $388,932 | 13,815 | $205,302 |
Yearly summary of insider trading at Lululemon Athletica Inc. (LULU) by Stemberg Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | LULU | 0 | $0 | 5,310 | $345,734 | 5,310 | $36,718 |
| 2012 | LULU | 0 | $0 | 21,202 | $1,593,418 | 23,202 | $245,473 |
| 2011 | LULU | 0 | $0 | 23,000 | $1,399,320 | 0 | $0 |
| 2010 | LULU | 0 | $0 | 8,477 | $372,988 | 9,477 | $185,768 |
| 2008 | LULU | 6,000 | $91,260 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Carmax Inc (KMX) by Stemberg Thomas
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | KMX | 0 | $0 | 8,775 | $570,334 | 7,610 | $110,268 |
| 2014 | KMX | 0 | $0 | 14,376 | $726,394 | 14,376 | $270,757 |
| 2012 | KMX | 2,500 | $62,725 | 19,166 | $666,136 | 21,166 | $293,279 |
| 2010 | KMX | 0 | $0 | 3,598 | $107,975 | 3,598 | $56,560 |
| 2008 | KMX | 10,000 | $106,990 | 0 | $0 | 0 | $0 |
Insider trading activities at 4 companies by Stemberg Thomas:
1. Polycom Inc (PLCM)
2. Petsmart Inc (PETM)
3. Lululemon Athletica Inc. (LULU)
4. Carmax Inc (KMX)
Table 1. Insider trading of Polycom Inc (PLCM) by Stemberg Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2007-02-14 | PLCM | Option Ex | 43,260 | 19.38 | 838,205 |
| 2007-02-14 | PLCM | Sale | 43,260 | 34.07 | 1,473,868 |
| 2007-02-13 | PLCM | Sale | 10,000 | 33.91 | 339,150 |
| 2007-02-12 | PLCM | Sale | 10,000 | 34.05 | 340,520 |
| 2007-02-13 | PLCM | Option Ex | 10,000 | 13.06 | 130,600 |
| 2007-02-12 | PLCM | Option Ex | 10,000 | 9.20 | 92,000 |
| 2006-08-31 | PLCM | Option Ex | 37,450 | 10.60 | 396,782 |
| 2006-08-31 | PLCM | Sale | 37,450 | 23.89 | 894,493 |
Table 2. Insider trading of Petsmart Inc (PETM) by Stemberg Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2011-09-20 | PETM | Option Ex | 3,588 | 12.71 | 45,621 |
| 2011-09-20 | PETM | Sale | 2,588 | 44.72 | 115,743 |
| 2009-10-13 | PETM | Option Ex | 20,255 | 6.28 | 127,100 |
| 2009-10-13 | PETM | Sale | 18,255 | 22.76 | 415,556 |
| 2008-09-05 | PETM | Sale | 8,000 | 27.35 | 218,824 |
| 2008-09-05 | PETM | Option Ex | 9,000 | 7.53 | 67,779 |
| 2008-02-05 | PETM | Option Ex | 2,000 | 7.12 | 14,250 |
| 2007-12-05 | PETM | Option Ex | 1,139 | 7.12 | 8,115 |
| 2007-12-05 | PETM | Sale | 1,139 | 28.34 | 32,276 |
| 2007-11-26 | PETM | Sale | 1,046 | 25.76 | 26,944 |
| 2007-11-26 | PETM | Option Ex | 1,046 | 7.12 | 7,452 |
| 2006-11-22 | PETM | Option Ex | 4,185 | 19.00 | 79,515 |
| 2006-11-22 | PETM | Sale | 4,185 | 29.40 | 123,039 |
| 2006-09-13 | PETM | Option Ex | 9,630 | 13.06 | 125,787 |
| 2006-09-13 | PETM | Sale | 9,630 | 27.61 | 265,893 |
Table 3. Insider trading of Lululemon Athletica Inc. (LULU) by Stemberg Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-03-30 | LULU | Option Ex | 5,310 | 6.92 | 36,718 |
| 2015-03-30 | LULU | Sale | 5,310 | 65.11 | 345,734 |
| 2012-09-12 | LULU | Option Ex | 5,308 | 6.92 | 36,704 |
| 2012-09-12 | LULU | Sale | 4,308 | 76.54 | 329,730 |
| 2012-03-27 | LULU | Sale | 16,894 | 74.80 | 1,263,688 |
| 2012-03-27 | LULU | Option Ex | 17,894 | 11.67 | 208,769 |
| 2011-09-19 | LULU | Sale | 23,000 | 60.84 | 1,399,320 |
| 2010-06-16 | LULU | Option Ex | 9,477 | 19.60 | 185,768 |
| 2010-06-16 | LULU | Sale | 8,477 | 44.00 | 372,988 |
| 2008-12-15 | LULU | Buy | 3,000 | 7.17 | 21,510 |
| 2008-09-29 | LULU | Buy | 3,000 | 23.25 | 69,750 |
Table 4. Insider trading of Carmax Inc (KMX) by Stemberg Thomas
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-07-22 | KMX | Sale | 7,610 | 66.38 | 505,151 |
| 2015-07-22 | KMX | Option Ex | 7,610 | 14.49 | 110,268 |
| 2015-01-28 | KMX | Sale | 915 | 62.56 | 57,242 |
| 2011-05-03 | KMX | Sale | 100 | 34.28 | 3,428 |
| 2011-05-19 | KMX | Sale | 150 | 30.09 | 4,513 |
| 2014-11-04 | KMX | Option Ex | 9,091 | 14.86 | 135,092 |
| 2014-11-04 | KMX | Sale | 9,091 | 55.12 | 501,095 |
| 2014-04-15 | KMX | Option Ex | 5,285 | 25.67 | 135,665 |
| 2014-04-15 | KMX | Sale | 5,285 | 42.63 | 225,299 |
| 2012-12-31 | KMX | Sale | 13,402 | 36.72 | 492,121 |
| 2012-12-31 | KMX | Option Ex | 14,402 | 15.31 | 220,566 |
| 2012-06-28 | KMX | Buy | 2,500 | 25.09 | 62,725 |
| 2012-01-09 | KMX | Option Ex | 6,764 | 10.75 | 72,713 |
| 2012-01-09 | KMX | Sale | 5,764 | 30.19 | 174,015 |
| 2010-10-29 | KMX | Option Ex | 3,598 | 15.72 | 56,560 |
| 2010-10-29 | KMX | Sale | 3,598 | 30.01 | 107,975 |
| 2008-10-14 | KMX | Buy | 10,000 | 10.70 | 106,990 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Stemberg Thomas
(Director of Carmax Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.