Thomas Stemberg
CIK 1180655 · View on SEC EDGAR ↗
Insider
First SEC filing: July 26, 2007 · Latest: Sept. 27, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 70 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
70 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 22, 2015 | KMX | S | 7,610 | $66.38 | $505,152 | 17,083 Direct | -30.82% | Disposed | -11.1% (price as of 2026-08-19) |
| April 29, 2015 | KMX | S | 800 | $68.66 | $54,928 | 13,967 Indirect | -5.42% | Disposed | -14.1% (price as of 2026-08-19) |
| March 30, 2015 | LULU | S | 5,310 | $65.11 | $345,734 | 3,268 Direct | -61.90% | Disposed | 84.1% (price as of 2026-08-19) |
| Jan. 28, 2015 | KMX | S | 915 | $62.56 | $57,242 | 295 Indirect | -75.62% | Disposed | -5.7% (price as of 2026-08-19) |
| Nov. 4, 2014 | KMX | S | 9,091 | $55.12 | $501,096 | 9,576 Direct | -48.70% | Disposed | 7.0% (price as of 2026-08-19) |
| April 15, 2014 | KMX | S | 5,285 | $42.63 | $225,300 | 27,403 Direct | -16.17% | Disposed | 38.4% (price as of 2026-08-19) |
| Dec. 31, 2012 | KMX | S | 13,402 | $36.72 | $492,121 | 26,332 Direct | -33.73% | Disposed | 60.6% (price as of 2026-08-19) |
| Sept. 12, 2012 | LULU | S | 4,308 | $76.54 | $329,734 | 17,726 Direct | -19.55% | Disposed | 56.6% (price as of 2026-08-19) |
| Sept. 12, 2012 | LULU | S | 4,308 | $76.54 | $329,734 | 17,726 Direct | -19.55% | Disposed | 56.6% (price as of 2026-08-19) |
| June 28, 2012 | KMX | P | 2,500 | $25.09 | $62,725 | 33,332 Direct | +8.11% | Acquired | 135.1% (price as of 2026-08-19) |
| March 27, 2012 | LULU | S | 7,722 | $74.80 | $577,606 | 14,986 Direct | -34.01% | Disposed | 60.3% (price as of 2026-08-19) |
| March 27, 2012 | LULU | S | 2,962 | $74.80 | $221,558 | 14,986 Direct | -16.50% | Disposed | 60.3% (price as of 2026-08-19) |
| March 27, 2012 | LULU | S | 4,308 | $74.80 | $322,238 | 14,986 Direct | -22.33% | Disposed | 60.3% (price as of 2026-08-19) |
| March 27, 2012 | LULU | S | 1,902 | $74.80 | $142,270 | 14,986 Direct | -11.26% | Disposed | 60.3% (price as of 2026-08-19) |
| Jan. 9, 2012 | KMX | S | 5,764 | $30.19 | $174,015 | 28,842 Direct | -16.66% | Disposed | 95.4% (price as of 2026-08-19) |
| Sept. 19, 2011 | LULU | S | 13,000 | $60.86 | $791,180 | 10,000 Indirect | -56.52% | Disposed | 97.0% (price as of 2026-08-19) |
| Sept. 19, 2011 | LULU | S | 10,000 | $60.82 | $608,200 | 0 Indirect | -100.00% | Disposed | 97.1% (price as of 2026-08-19) |
| May 19, 2011 | KMX | S | 50 | $30.09 | $1,504 | 1,210 Indirect | -3.97% | Disposed | 96.0% (price as of 2026-08-19) |
| May 19, 2011 | KMX | S | 50 | $30.09 | $1,504 | 330 Indirect | -13.16% | Disposed | 96.0% (price as of 2026-08-19) |
| May 19, 2011 | KMX | S | 50 | $30.09 | $1,504 | 835 Indirect | -5.65% | Disposed | 96.0% (price as of 2026-08-19) |
| May 3, 2011 | KMX | S | 40 | $34.28 | $1,371 | 1,260 Indirect | -3.08% | Disposed | 72.1% (price as of 2026-08-19) |
| May 3, 2011 | KMX | S | 20 | $34.28 | $686 | 380 Indirect | -5.00% | Disposed | 72.1% (price as of 2026-08-19) |
| May 3, 2011 | KMX | S | 40 | $34.28 | $1,371 | 885 Indirect | -4.32% | Disposed | 72.1% (price as of 2026-08-19) |
| Oct. 29, 2010 | KMX | S | 3,598 | $30.01 | $107,976 | 26,332 Direct | -12.02% | Disposed | 96.6% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,860 | $44.00 | $125,840 | 11,092 Direct | -20.50% | Disposed | 444.9% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,654 | $44.00 | $116,776 | 11,092 Direct | -19.31% | Disposed | 444.9% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,963 | $44.00 | $130,372 | 11,092 Direct | -21.08% | Disposed | 444.9% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,860 | $44.00 | $125,840 | 10,385 Direct | -21.59% | Disposed | 444.9% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,654 | $44.00 | $116,776 | 10,385 Direct | -20.35% | Disposed | 444.9% (price as of 2026-08-19) |
| June 16, 2010 | LULU | S | 2,963 | $44.00 | $130,372 | 10,385 Direct | -22.20% | Disposed | 444.9% (price as of 2026-08-19) |
Showing latest 100 of 143 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 22, 2015 | KMX | Stock Options (Right to Buy) | Common Stock (7,610) | $14.49 | June 26, 2016 | 7,610 | Disposed |
| March 30, 2015 | LULU | Stock Option (Right to Buy) | Common Stock (5,310) | $6.92 | June 15, 2016 | 5,310 | Disposed |
| Nov. 4, 2014 | KMX | Stock Options (Right to Buy) | Common Stock (9,091) | $14.86 | June 27, 2015 | 9,091 | Disposed |
| April 15, 2014 | KMX | Stock Options (Right to Buy) | Common Stock (5,285) | $25.67 | June 29, 2014 | 5,285 | Disposed |
| June 27, 2013 | KMX | Stock Options (Right to Buy) | Common Stock (2,870) | $46.65 | June 27, 2020 | 2,870 | Acquired |
| Dec. 31, 2012 | KMX | Stock Options (Right to Buy) [F3] | Common Stock (6,804) | $17.44 | June 21, 2013 | 6,804 | Disposed |
| Dec. 31, 2012 | KMX | Stock Options (Right to Buy) [F2] | Common Stock (7,598) | $13.19 | June 25, 2013 | 7,598 | Disposed |
| Sept. 12, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (4,308) | $6.92 | June 15, 2016 | 4,308 | Disposed |
| Sept. 12, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (1,000) | $6.92 | June 15, 2016 | 1,000 | Disposed |
| Sept. 12, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (4,308) | $6.92 | June 15, 2016 | 4,308 | Disposed |
| Sept. 12, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (1,000) | $6.92 | June 15, 2016 | 1,000 | Disposed |
| June 28, 2012 | KMX | Stock Options (Right to Buy) | Common Stock (4,897) | $25.12 | June 28, 2019 | 4,897 | Acquired |
| March 27, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (7,722) | $9.00 | July 25, 2018 | 7,722 | Disposed |
| March 27, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (2,962) | $14.29 | June 3, 2018 | 2,962 | Disposed |
| March 27, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (5,308) | $6.92 | June 15, 2016 | 5,308 | Disposed |
| March 27, 2012 | LULU | Stock Option (Right to Buy) | Common Stock (21,142) | $21.22 | June 14, 2017 | 1,902 | Disposed |
| Jan. 9, 2012 | KMX | Stock Options (Right to Buy) [F2] | Common Stock (6,764) | $10.75 | July 1, 2012 | 6,764 | Disposed |
| Dec. 5, 2011 | LULU | Stock Option (Right to Buy) | Common Stock (1,214) | $48.36 | Dec. 5, 2018 | 1,214 | Acquired |
| June 30, 2011 | KMX | Stock Options (Right to Buy) | Common Stock (3,621) | $33.11 | June 30, 2018 | 3,621 | Acquired |
| June 14, 2011 | LULU | Stock Option (Right to Buy) | Common Stock (607) | $91.50 | June 14, 2018 | 607 | Acquired |
| Oct. 29, 2010 | KMX | Stock Options (Right to Buy) [F2] | Common Stock (3,598) | $15.72 | Nov. 19, 2011 | 3,598 | Disposed |
| July 1, 2010 | KMX | Stock Options (Right to Buy) | Common Stock (5,787) | $19.98 | July 1, 2017 | 5,787 | Acquired |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (2,860) | $18.00 | July 25, 2017 | 2,860 | Disposed |
| June 16, 2010 | LULU | Stock option (Right to Buy) | Common Stock (2,654) | $13.83 | June 15, 2016 | 2,654 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (2,963) | $28.58 | June 3, 2018 | 2,963 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (1,000) | $18.00 | July 25, 2017 | 1,000 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (2,860) | $18.00 | July 25, 2017 | 2,860 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (2,654) | $13.83 | June 15, 2016 | 2,654 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (2,963) | $28.58 | June 3, 2018 | 2,963 | Disposed |
| June 16, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (1,000) | $18.00 | July 25, 2017 | 1,000 | Disposed |
| June 14, 2010 | LULU | Stock Option (Right to Buy) | Common Stock (3,807) | $42.43 | June 9, 2017 | 3,807 | Acquired |
| June 26, 2009 | KMX | Stock Options (Right to Buy) | Common Stock (7,610) | $14.49 | June 26, 2016 | 7,610 | Acquired |
| June 15, 2009 | LULU | Stock Option (Right to Buy) | Common Stock (10,617) | $13.83 | June 15, 2016 | 10,617 | Acquired |
| June 27, 2008 | KMX | Stock Options (Right to Buy) | Common Stock (9,091) | $14.86 | June 27, 2015 | 9,091 | Acquired |
| June 4, 2008 | LULU | Stock Option (Right to Buy) | Common Stock (5,926) | $28.58 | June 4, 2018 | 5,926 | Acquired |
| July 26, 2007 | LULU | Stock Option (Right to Buy) | Common Stock (7,721) | $18.00 | July 25, 2017 | 7,721 | Acquired |
| June 29, 2007 | KMX | Stock Options (Right to Buy) | Common Stock (5,285) | $25.67 | June 29, 2014 | 5,285 | Acquired |
| July 13, 2006 | KMX | Stock Options (Right to Buy) [F2] | Common Stock (621) | — | July 1, 2012 | 621 | Disposed |
| July 13, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (404) | — | Nov. 22, 2011 | 404 | Disposed |
| July 13, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (405) | — | Nov. 22, 2011 | 405 | Disposed |
| July 13, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (404) | — | Nov. 19, 2011 | 404 | Disposed |
| July 13, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (621) | — | June 23, 2013 | 621 | Disposed |
| July 13, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (405) | — | Nov. 19, 2011 | 405 | Disposed |
| June 21, 2006 | KMX | Stock Options (Right to Buy) | Common Stock (3,402) | $34.88 | June 21, 2013 | 3,402 | Acquired |
| June 24, 2005 | KMX | Stock Options (Right to buy) [F1] | Common Stock (3,799) | $26.38 | June 24, 2013 | 3,799 | Acquired |
| June 23, 2005 | KMX | Stock Options (Right to buy) | Common Stock (3,709) | $26.38 | June 23, 2015 | 3,709 | Acquired |
| May 11, 2005 | KMX | Stock Options (Right to buy) | Common Stock (1,300) | $21.49 | June 30, 2014 | 1,300 | Acquired |
| May 11, 2005 | KMX | Stock Options (Right to buy) | Common Stock (1,300) | $21.49 | June 30, 2014 | 1,300 | Disposed |
| June 30, 2004 | KMX | Stock Options (Right to buy) | Common Stock (4,003) | $21.49 | June 30, 2014 | 4,003 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.