Mathias J Barton
Insider
First SEC filing: May 6, 2010 · Latest: May 6, 2010
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 6, 2019 | DORM | F | 1,264 | $82.03 | $103,686 | 60,665 Direct | -2.04% | Disposed | 50.0% (price as of 2026-10-02) |
| March 6, 2019 | DORM | A | 4,439 | · | · | 61,929 Direct | +7.72% | Acquired | (price as of 2026-10-02) |
| Feb. 28, 2019 | DORM | I | 1,988 | $80.90 | $160,829 | 0 Indirect | -100.00% | Disposed | 52.1% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 12,160 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 8,934 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 8,134 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | F | 9,870 | $89.38 | $882,181 | 57,490 Direct | -14.65% | Disposed | 37.7% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 12,160 | $72.55 | $882,208 | 67,360 Direct | +22.03% | Acquired | 69.6% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | F | 7,860 | $89.38 | $702,527 | 55,200 Direct | -12.46% | Disposed | 37.7% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 8,934 | $78.64 | $702,570 | 63,060 Direct | +16.51% | Acquired | 56.5% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | F | 3,784 | $89.38 | $338,214 | 54,126 Direct | -6.53% | Disposed | 37.7% (price as of 2026-10-02) |
| Jan. 2, 2019 | DORM | M | 8,134 | $41.59 | $338,293 | 57,910 Direct | +16.34% | Acquired | 195.9% (price as of 2026-10-02) |
| Dec. 8, 2018 | DORM | F | 1,139 | $81.13 | $92,407 | 49,776 Direct | -2.24% | Disposed | 51.7% (price as of 2026-10-02) |
| Nov. 30, 2018 | DORM | S 10b5-1 | 3,459 | $88.00 | $304,392 | 50,915 Direct | -6.36% | Disposed | 39.8% (price as of 2026-10-02) |
| Nov. 30, 2018 | DORM | S 10b5-1 | 12,541 | $87.28 | $1,094,578 | 54,374 Direct | -18.74% | Disposed | 41.0% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | M | 2,978 | · | · | 8,934 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | M | 8,135 | · | · | 8,134 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | S 10b5-1 | 1,500 | $89.37 | $134,055 | 66,915 Direct | -2.19% | Disposed | 37.7% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | S 10b5-1 | 6,485 | $88.90 | $576,516 | 68,415 Direct | -8.66% | Disposed | 38.4% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | S 10b5-1 | 14,886 | $87.78 | $1,306,693 | 74,900 Direct | -16.58% | Disposed | 40.2% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | F | 2,677 | $87.48 | $234,184 | 89,786 Direct | -2.90% | Disposed | 40.7% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | M | 2,978 | $78.64 | $234,190 | 92,463 Direct | +3.33% | Acquired | 56.5% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | F | 1,581 | $87.48 | $138,306 | 89,485 Direct | -1.74% | Disposed | 40.7% (price as of 2026-10-02) |
| Nov. 29, 2018 | DORM | M | 8,135 | $41.59 | $338,335 | 91,066 Direct | +9.81% | Acquired | 195.9% (price as of 2026-10-02) |
| Nov. 27, 2018 | DORM | G | 7,500 | · | · | 82,931 Direct | -8.29% | Disposed | (price as of 2026-10-02) |
| Sept. 14, 2018 | DORM | S 10b5-1 | 11,699 | $82.50 | $965,168 | 90,431 Direct | -11.46% | Disposed | 49.2% (price as of 2026-10-02) |
| Sept. 14, 2018 | DORM | S 10b5-1 | 4,315 | $81.72 | $352,622 | 102,130 Direct | -4.05% | Disposed | 50.6% (price as of 2026-10-02) |
| Sept. 13, 2018 | DORM | S 10b5-1 | 507 | $82.20 | $41,675 | 106,445 Direct | -0.47% | Disposed | 49.7% (price as of 2026-10-02) |
| Sept. 13, 2018 | DORM | S 10b5-1 | 4,059 | $81.37 | $330,281 | 106,952 Direct | -3.66% | Disposed | 51.2% (price as of 2026-10-02) |
| Sept. 12, 2018 | DORM | S 10b5-1 | 14,420 | $81.30 | $1,172,346 | 111,011 Direct | -11.50% | Disposed | 51.4% (price as of 2026-10-02) |
| March 7, 2018 | DORM | F | 915 | $72.55 | $66,383 | 125,273 Direct | -0.73% | Disposed | 69.6% (price as of 2026-10-02) |
| March 7, 2018 | DORM | A | 12,160 | · | · | 12,160 Direct | · | Acquired | (price as of 2026-10-02) |
| March 7, 2018 | DORM | A | 3,213 | · | · | 126,188 Direct | +2.61% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2018 | DORM | F | 1,115 | $71.36 | $79,566 | 122,975 Direct | -0.90% | Disposed | 72.4% (price as of 2026-10-02) |
| Dec. 8, 2017 | DORM | F | 1,260 | $65.56 | $82,606 | 124,090 Direct | -1.01% | Disposed | 87.7% (price as of 2026-10-02) |
| Sept. 14, 2017 | DORM | G | 4,000 | · | · | 125,350 Direct | -3.09% | Disposed | (price as of 2026-10-02) |
| Feb. 27, 2017 | DORM | A | 11,912 | · | · | 11,912 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 27, 2017 | DORM | F | 902 | $78.64 | $70,933 | 129,350 Direct | -0.69% | Disposed | 56.5% (price as of 2026-10-02) |
| Feb. 27, 2017 | DORM | A | 2,863 | · | · | 130,252 Direct | +2.25% | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2017 | DORM | F | 1,056 | $69.95 | $73,867 | 127,547 Direct | -0.82% | Disposed | 75.9% (price as of 2026-10-02) |
| Feb. 12, 2017 | DORM | F | 1,214 | $69.95 | $84,919 | 127,389 Direct | -0.94% | Disposed | 75.9% (price as of 2026-10-02) |
| Dec. 8, 2016 | DORM | A | 8,000 | · | · | 128,603 Direct | +6.63% | Acquired | (price as of 2026-10-02) |
| Aug. 26, 2016 | DORM | S | 200 | $62.54 | $12,508 | 600 Indirect | -25.00% | Disposed | 96.8% (price as of 2026-10-02) |
| April 28, 2016 | DORM | F | 2,519 | $53.33 | $134,338 | 120,603 Direct | -2.05% | Disposed | 130.8% (price as of 2026-10-02) |
| Feb. 12, 2016 | DORM | A | 16,269 | · | · | 16,269 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 12, 2016 | DORM | A | 6,600 | · | · | 123,122 Direct | +5.66% | Acquired | (price as of 2026-10-02) |
| April 28, 2015 | DORM | F | 2,519 | $48.09 | $121,139 | 116,522 Direct | -2.12% | Disposed | 155.9% (price as of 2026-10-02) |
| July 31, 2014 | DORM | M | 32,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 31, 2014 | DORM | M | 32,500 | $6.24 | $202,800 | 119,041 Direct | +37.55% | Acquired | 1872.1% (price as of 2026-10-02) |
| April 28, 2014 | DORM | F | 2,519 | $56.23 | $141,643 | 86,541 Direct | -2.83% | Disposed | 118.9% (price as of 2026-10-02) |
| Nov. 18, 2013 | DORM | M | 7,500 | · | · | 32,500 Direct | -18.75% | Disposed | (price as of 2026-10-02) |
| Nov. 18, 2013 | DORM | M | 7,500 | $6.24 | $46,800 | 89,060 Direct | +9.20% | Acquired | 1872.1% (price as of 2026-10-02) |
| May 8, 2013 | DORM | S | 5,479 | $41.75 | $228,748 | 81,560 Direct | -6.29% | Disposed | 194.8% (price as of 2026-10-02) |
| May 7, 2013 | DORM | S | 20,000 | $40.86 | $817,200 | 87,039 Direct | -18.68% | Disposed | 201.2% (price as of 2026-10-02) |
| April 28, 2013 | DORM | F | 2,521 | $35.81 | $90,277 | 107,039 Direct | -2.30% | Disposed | 243.6% (price as of 2026-10-02) |
| March 14, 2013 | DORM | S | 34,000 | $36.49 | $1,240,660 | 109,560 Direct | -23.68% | Disposed | 237.2% (price as of 2026-10-02) |
| Feb. 26, 2013 | DORM | M | 34,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 26, 2013 | DORM | M | 34,000 | $2.54 | $86,360 | 143,560 Direct | +31.03% | Acquired | 4744.9% (price as of 2026-10-02) |
| Dec. 10, 2012 | DORM | M | 6,000 | · | · | 34,000 Direct | -15.00% | Disposed | (price as of 2026-10-02) |
| Dec. 10, 2012 | DORM | M | 6,000 | $2.54 | $15,240 | 109,560 Direct | +5.79% | Acquired | 4744.9% (price as of 2026-10-02) |
| Aug. 16, 2012 | DORM | S | 2,651 | $29.25 | $77,542 | 103,560 Direct | -2.50% | Disposed | 320.7% (price as of 2026-10-02) |
| Aug. 14, 2012 | DORM | S | 22,501 | $29.25 | $658,154 | 106,211 Direct | -17.48% | Disposed | 320.7% (price as of 2026-10-02) |
| Aug. 13, 2012 | DORM | S | 8,346 | $29.01 | $242,117 | 128,712 Direct | -6.09% | Disposed | 324.2% (price as of 2026-10-02) |
| Aug. 10, 2012 | DORM | S | 2,054 | $29.00 | $59,566 | 137,058 Direct | -1.48% | Disposed | 324.3% (price as of 2026-10-02) |
| Aug. 8, 2012 | DORM | S | 10,000 | $29.65 | $296,500 | 139,112 Direct | -6.71% | Disposed | 315.0% (price as of 2026-10-02) |
| May 31, 2012 | DORM | S | 2,320 | $49.75 | $115,420 | 75,780 Direct | -2.97% | Disposed | 394.7% (price as of 2026-10-02) |
| May 31, 2012 | DORM | S | 2,680 | $49.75 | $133,330 | 78,100 Direct | -3.32% | Disposed | 394.7% (price as of 2026-10-02) |
| May 16, 2012 | DORM | M | 25,000 | · | · | 20,000 Direct | -55.56% | Disposed | (price as of 2026-10-02) |
| May 16, 2012 | DORM | M | 25,000 | $5.08 | $127,000 | 80,780 Direct | +44.82% | Acquired | 4744.9% (price as of 2026-10-02) |
| April 28, 2012 | DORM | F | 1,224 | $49.31 | $60,355 | 74,556 Direct | -1.62% | Disposed | 399.1% (price as of 2026-10-02) |
| Nov. 22, 2011 | DORM | S 10b5-1 | 2,692 | $38.09 | $102,538 | 55,780 Direct | -4.60% | Disposed | 546.2% (price as of 2026-10-02) |
| Nov. 21, 2011 | DORM | S 10b5-1 | 1,397 | $38.02 | $53,114 | 58,472 Direct | -2.33% | Disposed | 547.3% (price as of 2026-10-02) |
| Nov. 18, 2011 | DORM | S 10b5-1 | 4,347 | $38.12 | $165,708 | 59,869 Direct | -6.77% | Disposed | 545.6% (price as of 2026-10-02) |
| Nov. 16, 2011 | DORM | S 10b5-1 | 600 | $38.00 | $22,800 | 64,216 Direct | -0.93% | Disposed | 547.7% (price as of 2026-10-02) |
| Nov. 15, 2011 | DORM | S 10b5-1 | 1,500 | $38.00 | $57,000 | 64,816 Direct | -2.26% | Disposed | 547.7% (price as of 2026-10-02) |
| Nov. 8, 2011 | DORM | S 10b5-1 | 1,600 | $38.01 | $60,816 | 66,316 Direct | -2.36% | Disposed | 547.5% (price as of 2026-10-02) |
| Nov. 7, 2011 | DORM | S | 1,000 | $38.03 | $38,030 | 67,916 Direct | -1.45% | Disposed | 547.2% (price as of 2026-10-02) |
| Nov. 4, 2011 | DORM | S | 300 | $38.02 | $11,406 | 68,916 Direct | -0.43% | Disposed | 547.3% (price as of 2026-10-02) |
| Nov. 3, 2011 | DORM | S 10b5-1 | 6,522 | $38.25 | $249,466 | 69,216 Direct | -8.61% | Disposed | 543.5% (price as of 2026-10-02) |
| Nov. 2, 2011 | DORM | S 10b5-1 | 5,042 | $38.03 | $191,747 | 75,738 Direct | -6.24% | Disposed | 547.2% (price as of 2026-10-02) |
| April 28, 2011 | DORM | A | 20,000 | · | · | 80,780 Direct | +32.91% | Acquired | (price as of 2026-10-02) |
| March 9, 2011 | DORM | M | 25,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 9, 2011 | DORM | M | 25,000 | $1.50 | $37,500 | 60,780 Direct | +69.87% | Acquired | 16308.0% (price as of 2026-10-02) |
| Dec. 10, 2010 | DORM | S | 25,000 | $44.79 | $1,119,750 | 35,780 Direct | -41.13% | Disposed | 449.5% (price as of 2026-10-02) |
| May 4, 2010 | DORM | C | 25,000 | $1.50 | $37,500 | 25,000 Direct | -50.00% | Disposed | 16308.0% (price as of 2026-10-02) |
| Nov. 18, 2009 | DORM | S | 13,258 | $15.50 | $205,499 | 35,780 Direct | +58.87% | Acquired | 1487.9% (price as of 2026-10-02) |
| Nov. 17, 2009 | DORM | S | 2,287 | $15.50 | $35,448 | 49,038 Direct | -4.46% | Disposed | 1487.9% (price as of 2026-10-02) |
| Nov. 16, 2009 | DORM | S | 9,455 | $15.50 | $146,552 | 51,325 Direct | -15.56% | Disposed | 1487.9% (price as of 2026-10-02) |
| Sept. 14, 2009 | DORM | S | 4,866 | $15.00 | $72,990 | 60,780 Direct | -7.41% | Disposed | 1540.8% (price as of 2026-10-02) |
| Sept. 11, 2009 | DORM | S | 9,871 | $15.02 | $148,262 | 65,646 Direct | -13.07% | Disposed | 1538.6% (price as of 2026-10-02) |
| Sept. 8, 2009 | DORM | S | 500 | $15.05 | $7,525 | 75,517 Direct | -0.66% | Disposed | 1535.3% (price as of 2026-10-02) |
| Sept. 4, 2009 | DORM | S | 400 | $15.00 | $6,000 | 76,017 Direct | -0.52% | Disposed | 1540.8% (price as of 2026-10-02) |
| Sept. 4, 2009 | DORM | S | 6,075 | $15.01 | $91,186 | 76,417 Direct | -7.36% | Disposed | 1539.7% (price as of 2026-10-02) |
| Aug. 25, 2009 | DORM | S | 3,288 | $15.07 | $49,550 | 82,482 Direct | -3.83% | Disposed | 1533.2% (price as of 2026-10-02) |
| Aug. 19, 2009 | DORM | X | 25,000 | $1.50 | $37,500 | 115,000 Direct | +27.78% | Acquired | 16308.0% (price as of 2026-10-02) |
| Jan. 3, 2005 | DORM | A | 10,000 | $24.95 | $249,500 | 70,000 Direct | +16.67% | Acquired | 1872.9% (price as of 2026-10-02) |
| May 24, 2004 | DORM | G | 200 | · | · | 200 Indirect | · | Acquired | (price as of 2026-10-02) |
| May 24, 2004 | DORM | G | 200 | · | · | 30,390 Direct | -0.65% | Disposed | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2019 | DORM | Employee Stock Option (right to buy) | Common Stock | $72.55 | Jan. 30, 2019 | 12,160 | Disposed |
| Jan. 2, 2019 | DORM | Employee Stock Option (right to buy) | Common Stock | $78.64 | Jan. 30, 2019 | 8,934 | Disposed |
| Jan. 2, 2019 | DORM | Employee Stock Option (right to buy) | Common Stock | $41.59 | Jan. 30, 2019 | 8,134 | Disposed |
| Nov. 29, 2018 | DORM | Employee Stock Option (right to buy) | Common Stock | $78.64 | Feb. 27, 2022 | 2,978 | Disposed |
| Nov. 29, 2018 | DORM | Employee Stock Option (right to buy) | Common Stock | $41.59 | Feb. 12, 2021 | 8,135 | Disposed |
| March 7, 2018 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $72.55 | March 7, 2023 | 12,160 | Acquired |
| Feb. 27, 2017 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $78.64 | Feb. 28, 2022 | 11,912 | Acquired |
| Feb. 12, 2016 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $41.59 | Feb. 12, 2021 | 16,269 | Acquired |
| July 31, 2014 | DORM | Employee Stock Option (right to buy) | Common Stock | $6.24 | Jan. 3, 2015 | 32,500 | Disposed |
| Nov. 18, 2013 | DORM | Employee Stock Option (right to buy) | Common Stock | $6.24 | Jan. 3, 2015 | 7,500 | Disposed |
| Feb. 26, 2013 | DORM | Employee Stock Option (right to buy) | Common Stock | $2.54 | May 30, 2013 | 34,000 | Disposed |
| Dec. 10, 2012 | DORM | Employee Stock Option (right to buy) | Common Stock | $2.54 | May 30, 2013 | 6,000 | Disposed |
| May 16, 2012 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $5.08 | May 30, 2013 | 25,000 | Disposed |
| March 9, 2011 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $1.50 | July 8, 2011 | 25,000 | Disposed |
| May 4, 2010 | DORM | Stock Option | Common Stock | $1.50 | July 8, 2011 | 25,000 | Disposed |
| Aug. 19, 2009 | DORM | Stock Option | Common Stock | $1.50 | July 9, 2011 | 25,000 | Acquired |
| Jan. 3, 2005 | DORM | Employee Stock Option (Right to Buy) | Common Stock | $24.95 | Jan. 3, 2015 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $16,154 | · | · | · | · | · | $200,000 | $290,460 |
| 2018 | $700,000 | · | · | · | $307,351 | · | $16,800 | $1,584,149 |
| 2017 | $682,692 | · | · | · | $594,302 | · | $10,800 | $1,847,759 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.