SEC CIK 1387890
Stevenson Mark P
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| TMOview stock → | 62,141 | 2022-02-25 |
| IRview stock → | 11,705.552 | 2026-02-26 |
Position History — TMO
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — TMO
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2022-02-25 | Tax withholding | 1,880 | $549.83 | 62,141 |
| 2022-02-23 | Tax withholding | 1,200 | $528.58 | 64,021 |
| 2022-02-23 | Tax withholding | 1,035 | $528.58 | 65,221 |
| 2022-02-23 | Grant / award | 7,000 | $0.00 | 66,256 |
| 2021-12-01 | Option exercise (derivative) | 12,375 | $0.00 | 0 |
| 2021-12-01 | Option exercise | 12,375 | $157.68 | 86,181 |
| 2021-12-01 | Option exercise | 14,550 | $190.59 | 73,806 |
| 2021-12-01 | Open-market sale | 1,738 | $633.67 | 65,121 |
| 2021-12-01 | Open-market sale | 1,204 | $634.82 | 63,917 |
| 2021-12-01 | Open-market sale | 3,354 | $635.96 | 60,563 |
| 2021-12-01 | Open-market sale | 1,307 | $636.76 | 59,256 |
| 2021-12-01 | Open-market sale | 1,408 | $626.54 | 84,773 |
| 2021-12-01 | Open-market sale | 1,364 | $627.46 | 83,409 |
| 2021-12-01 | Open-market sale | 2,350 | $628.50 | 81,059 |
| 2021-12-01 | Open-market sale | 2,393 | $629.55 | 78,666 |
| 2021-12-01 | Open-market sale | 2,759 | $630.70 | 75,907 |
| 2021-12-01 | Open-market sale | 4,317 | $632.79 | 66,859 |
| 2021-12-01 | Open-market sale | 4,731 | $631.80 | 71,176 |
| 2021-11-02 | Option exercise (derivative) | 12,375 | $0.00 | 12,375 |
| 2021-11-02 | Option exercise (derivative) | 14,550 | $0.00 | 14,550 |
| 2021-11-02 | Open-market sale | 2,033 | $640.97 | 59,865 |
| 2021-11-02 | Open-market sale | 3,848 | $640.00 | 61,898 |
| 2021-11-02 | Open-market sale | 5,741 | $639.06 | 65,746 |
| 2021-11-02 | Open-market sale | 3,682 | $638.01 | 71,487 |
| 2021-11-02 | Open-market sale | 4,008 | $636.90 | 75,169 |
| 2021-11-02 | Open-market sale | 5,004 | $635.92 | 79,177 |
| 2021-11-02 | Open-market sale | 1,500 | $635.09 | 84,181 |
| 2021-11-02 | Open-market sale | 500 | $633.27 | 85,681 |
| 2021-11-02 | Option exercise | 12,375 | $157.68 | 86,181 |
| 2021-11-02 | Option exercise | 14,550 | $190.59 | 73,806 |
| 2021-11-02 | Open-market sale | 609 | $642.26 | 59,256 |
| 2021-11-01 | Option exercise (derivative) | 12,375 | $0.00 | 24,750 |
| 2021-11-01 | Option exercise (derivative) | 14,550 | $0.00 | 29,100 |
| 2021-11-01 | Open-market sale | 800 | $636.82 | 59,256 |
| 2021-11-01 | Open-market sale | 900 | $635.78 | 60,056 |
| 2021-11-01 | Open-market sale | 5,209 | $634.71 | 60,956 |
| 2021-11-01 | Open-market sale | 6,169 | $633.92 | 66,165 |
| 2021-11-01 | Open-market sale | 3,769 | $631.72 | 74,701 |
| 2021-11-01 | Open-market sale | 4,141 | $630.69 | 78,470 |
| 2021-11-01 | Open-market sale | 2,000 | $629.71 | 82,611 |
| 2021-11-01 | Open-market sale | 1,570 | $628.61 | 84,611 |
| 2021-11-01 | Option exercise | 12,375 | $157.68 | 86,181 |
| 2021-11-01 | Option exercise | 14,550 | $190.59 | 73,806 |
| 2021-11-01 | Open-market sale | 2,367 | $632.70 | 72,334 |
| 2021-08-27 | Tax withholding | 1,158 | $548.51 | 59,256 |
| 2021-08-26 | Tax withholding | 1,038 | $552.77 | 60,414 |
| 2021-08-25 | Tax withholding | 635 | $548.08 | 61,452 |
| 2021-08-23 | Tax withholding | 267 | $552.61 | 62,087 |
| 2021-08-02 | Option exercise (derivative) | 12,375 | $0.00 | 37,125 |
| 2021-08-02 | Option exercise (derivative) | 14,550 | $0.00 | 43,650 |
| 2021-08-02 | Option exercise | 14,550 | $190.59 | 76,904 |
| 2021-08-02 | Open-market sale | 1,100 | $535.64 | 71,160 |
| 2021-08-02 | Open-market sale | 5,909 | $534.66 | 72,260 |
| 2021-08-02 | Open-market sale | 9,610 | $533.74 | 78,169 |
| 2021-08-02 | Open-market sale | 1,500 | $532.73 | 87,779 |
| 2021-08-02 | Option exercise | 12,375 | $157.68 | 89,279 |
| 2021-08-02 | Open-market sale | 3,565 | $536.85 | 67,595 |
| 2021-08-02 | Open-market sale | 500 | $543.56 | 62,354 |
| 2021-08-02 | Open-market sale | 200 | $542.15 | 62,854 |
| 2021-08-02 | Open-market sale | 557 | $540.69 | 63,054 |
| 2021-08-02 | Open-market sale | 700 | $538.75 | 63,611 |
| 2021-08-02 | Open-market sale | 3,284 | $537.76 | 64,311 |
| 2021-02-26 | Tax withholding | 2,251 | $450.08 | 62,302 |
| 2021-02-25 | Tax withholding | 1,880 | $451.47 | 64,553 |
| 2021-02-23 | Grant / award (derivative) | 17,875 | $0.00 | 17,875 |
| 2021-02-23 | Grant / award (derivative) | 58,200 | $0.00 | 58,200 |
| 2021-02-23 | Tax withholding | 1,170 | $458.81 | 62,433 |
| 2021-02-23 | Grant / award | 4,000 | $0.00 | 66,433 |
| 2021-02-23 | Grant / award | 10,019 | $0.00 | 63,603 |
| 2020-12-09 | Gift | 5,320 | $0.00 | 57,379 |
| 2020-12-09 | Gift | 5,320 | $0.00 | 62,699 |
| 2020-12-09 | Gift | 5,320 | $0.00 | 52,059 |
| 2020-12-09 | Gift | 5,320 | $0.00 | 5,320 |
| 2020-12-07 | Option exercise (derivative) | 23,825 | $0.00 | 0 |
| 2020-12-07 | Open-market sale | 14,133 | $473.84 | 53,584 |
| 2020-12-07 | Option exercise | 23,825 | $129.77 | 67,717 |
| 2020-12-04 | Option exercise (derivative) | 23,825 | $0.00 | 23,825 |
| 2020-12-04 | Open-market sale | 14,113 | $476.46 | 43,892 |
| 2020-12-04 | Option exercise | 23,825 | $129.77 | 58,005 |
| 2020-08-25 | Option exercise (derivative) | 22,000 | $0.00 | 0 |
| 2020-08-25 | Option exercise | 22,000 | $131.07 | 56,561 |
| 2020-08-25 | Open-market sale | 22,000 | $420.16 | 34,561 |
| 2020-08-25 | Tax withholding | 381 | $422.29 | 34,180 |
| 2020-08-24 | Option exercise (derivative) | 22,000 | $0.00 | 22,000 |
| 2020-08-24 | Option exercise | 22,000 | $131.07 | 70,621 |
| 2020-08-24 | Open-market sale | 22,000 | $429.55 | 48,621 |
| 2020-07-24 | Option exercise (derivative) | 25,000 | $0.00 | 0 |
| 2020-07-24 | Open-market sale | 3,631 | $406.31 | 48,621 |
| 2020-07-24 | Open-market sale | 5,969 | $405.55 | 52,252 |
| 2020-07-24 | Open-market sale | 8,037 | $404.48 | 58,221 |
| 2020-07-24 | Open-market sale | 5,363 | $403.54 | 66,258 |
| 2020-07-24 | Open-market sale | 1,300 | $402.50 | 71,621 |
| 2020-07-24 | Open-market sale | 300 | $401.03 | 72,921 |
| 2020-07-24 | Open-market sale | 400 | $399.69 | 73,221 |
| 2020-07-24 | Option exercise | 25,000 | $124.28 | 73,621 |
| 2020-06-29 | Gift | 14,060 | $0.00 | 68,019 |
| 2020-06-29 | Gift | 14,060 | $0.00 | 34,561 |
| 2020-05-18 | Option exercise (derivative) | 25,000 | $0.00 | 25,000 |
| 2020-05-18 | Open-market sale | 748 | $351.03 | 48,621 |
| 2020-05-18 | Open-market sale | 3,151 | $350.16 | 49,369 |
| 2020-05-18 | Open-market sale | 8,249 | $349.16 | 52,520 |
| 2020-05-18 | Open-market sale | 9,870 | $348.30 | 60,769 |
| 2020-05-18 | Option exercise | 25,000 | $124.28 | 73,621 |
| 2020-05-18 | Open-market sale | 2,982 | $347.32 | 70,639 |
| 2020-04-24 | Option exercise (derivative) | 25,000 | $0.00 | 50,000 |
| 2020-04-24 | Option exercise | 25,000 | $124.28 | 73,538 |
| 2020-04-24 | Open-market sale | 13,509 | $328.73 | 48,538 |
| 2020-04-24 | Open-market sale | 800 | $324.55 | 72,738 |
| 2020-04-24 | Open-market sale | 1,533 | $325.76 | 71,205 |
| 2020-04-24 | Open-market sale | 1,690 | $326.88 | 69,515 |
| 2020-04-24 | Open-market sale | 7,468 | $327.85 | 62,047 |
| 2020-03-04 | Option exercise (derivative) | 25,000 | $0.00 | 75,000 |
| 2020-03-04 | Open-market sale | 25,000 | $324.28 | 48,538 |
| 2020-03-04 | Option exercise | 25,000 | $124.28 | 73,538 |
| 2020-02-27 | Tax withholding | 2,307 | $297.08 | 48,538 |
| 2020-02-26 | Tax withholding | 2,251 | $309.16 | 50,845 |
| 2020-02-25 | Grant / award (derivative) | 23,150 | $0.00 | 23,150 |
| 2020-02-25 | Grant / award | 5,725 | $0.00 | 41,788 |
| 2020-02-25 | Grant / award | 12,714 | $0.00 | 54,502 |
| 2020-02-25 | Tax withholding | 1,406 | $309.63 | 53,096 |
| 2019-08-28 | Tax withholding | 1,386 | $276.06 | 36,063 |
| 2019-08-27 | Tax withholding | 966 | $272.93 | 37,449 |
| 2019-08-26 | Tax withholding | 520 | $270.92 | 38,415 |
| 2019-08-24 | Tax withholding | 1,532 | $269.36 | 38,935 |
| 2019-03-11 | Gift | 53,959 | $0.00 | 40,362 |
| 2019-03-11 | Gift | 53,959 | $0.00 | 53,959 |
| 2019-02-28 | Tax withholding | 2,129 | $259.57 | 94,321 |
| 2019-02-27 | Tax withholding | 2,309 | $259.14 | 96,450 |
| 2019-02-26 | Grant / award (derivative) | 31,925 | $0.00 | 31,925 |
| 2019-02-26 | Tax withholding | 1,663 | $253.99 | 98,759 |
| 2019-02-26 | Grant / award | 7,800 | $0.00 | 100,422 |
| 2019-02-26 | Grant / award | 15,225 | $0.00 | 92,622 |
| 2018-08-28 | Tax withholding | 1,156 | $237.96 | 77,397 |
| 2018-08-27 | Tax withholding | 581 | $237.92 | 78,553 |
| 2018-08-25 | Tax withholding | 1,481 | $234.71 | 79,134 |
| 2018-08-24 | Tax withholding | 1,534 | $234.71 | 80,615 |
| 2018-02-28 | Tax withholding | 2,376 | $208.58 | 82,022 |
| 2018-02-27 | Grant / award (derivative) | 38,900 | $0.00 | 38,900 |
| 2018-02-27 | Grant / award | 15,600 | $0.00 | 86,966 |
| 2018-02-27 | Tax withholding | 2,568 | $210.68 | 84,398 |
| 2018-02-27 | Grant / award | 8,700 | $0.00 | 71,366 |
| 2018-02-23 | Tax withholding | 1,610 | $211.71 | 62,666 |
| 2017-09-07 | Grant / award (derivative) | 72,700 | $0.00 | 72,700 |
| 2017-08-28 | Tax withholding | 815 | $178.43 | 64,276 |
| 2017-08-25 | Tax withholding | 1,738 | $177.22 | 65,091 |
| 2017-08-25 | Tax withholding | 3,406 | $177.22 | 66,829 |
| 2017-08-24 | Tax withholding | 1,501 | $175.96 | 70,235 |
| 2017-02-28 | Grant / award (derivative) | 49,500 | $0.00 | 49,500 |
| 2017-02-28 | Tax withholding | 2,266 | $157.68 | 71,586 |
| 2017-02-28 | Grant / award | 14,375 | $0.00 | 63,452 |
| 2017-02-28 | Grant / award | 10,400 | $0.00 | 73,852 |
| 2017-02-24 | Tax withholding | 1,735 | $158.98 | 49,077 |
| 2016-02-24 | Grant / award (derivative) | 47,650 | $0.00 | 47,650 |
| 2016-02-24 | Grant / award | 13,875 | $0.00 | 41,543 |
| 2016-02-24 | Tax withholding | 2,409 | $129.77 | 50,634 |
| 2016-02-24 | Grant / award | 11,500 | $0.00 | 53,043 |
| 2015-08-26 | Tax withholding | 2,838 | $125.26 | 27,668 |
| 2015-08-25 | Tax withholding | 869 | $120.05 | 30,506 |
| 2015-02-25 | Grant / award (derivative) | 44,000 | $0.00 | 44,000 |
| 2015-02-25 | Grant / award | 11,100 | $0.00 | 31,180 |
| 2014-08-26 | Tax withholding | 1,703 | $120.71 | 20,047 |
| 2014-02-26 | Grant / award (derivative) | 100,000 | $0.00 | 100,000 |
| 2014-02-26 | Grant / award | 21,750 | $0.00 | 21,750 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.