SEC CIK 1384707
Stafford Ryan K
Reported ownership across 2 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| LFUSview stock → | 27,130 | 2026-04-27 |
| UFPTview stock → | 0 | 2026-06-04 |
Position History — LFUS
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — LFUS
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-04-27 | Tax withholding | 399 | $403.02 | 27,130 |
| 2026-04-25 | Tax withholding | 455 | $407.14 | 27,529 |
| 2026-04-24 | Tax withholding | 611 | $407.14 | 27,984 |
| 2026-04-24 | Tax withholding | 7 | $407.14 | 28,595 |
| 2026-03-05 | Grant / award | 11 | $323.58 | 28,602 |
| 2026-02-02 | Option exercise (derivative) | 16,839 | $0.00 | 0 |
| 2026-02-02 | Option exercise | 16,839 | $132.08 | 45,430 |
| 2026-02-02 | Open-market sale | 109 | $327.15 | 45,321 |
| 2026-02-02 | Open-market sale | 16,107 | $325.19 | 28,591 |
| 2026-02-02 | Open-market sale | 623 | $326.45 | 44,698 |
| 2025-12-11 | Open-market sale | 2,162 | $268.31 | 28,591 |
| 2025-12-05 | Grant / award | 13 | $258.99 | 30,753 |
| 2025-09-05 | Grant / award | 13 | $259.58 | 30,740 |
| 2025-08-25 | Option exercise (derivative) | 10,206 | $0.00 | 0 |
| 2025-08-25 | Open-market sale | 500 | $262.60 | 30,727 |
| 2025-08-25 | Option exercise | 10,206 | $199.24 | 40,933 |
| 2025-08-25 | Open-market sale | 4,923 | $260.84 | 36,010 |
| 2025-08-25 | Open-market sale | 4,783 | $261.72 | 31,227 |
| 2025-06-05 | Grant / award | 15 | $214.18 | 30,727 |
| 2025-04-28 | Tax withholding | 284 | $179.04 | 30,712 |
| 2025-04-27 | Tax withholding | 297 | $176.06 | 30,996 |
| 2025-04-25 | Tax withholding | 339 | $176.06 | 31,293 |
| 2025-04-24 | Grant / award | 4,661 | $0.00 | 31,632 |
| 2025-01-23 | Grant / award | 2,534 | $0.00 | 26,971 |
| 2024-05-08 | Open-market sale | 2,219 | $256.33 | 24,437 |
| 2024-04-28 | Tax withholding | 337 | $231.64 | 26,656 |
| 2024-04-27 | Tax withholding | 297 | $231.64 | 26,993 |
| 2024-04-25 | Grant / award (derivative) | 10,226 | $0.00 | 10,226 |
| 2024-04-25 | Grant / award | 3,473 | $0.00 | 27,290 |
| 2024-04-22 | Tax withholding | 338 | $228.84 | 23,817 |
| 2024-02-08 | Open-market sale | 1,094 | $241.61 | 24,993 |
| 2024-02-08 | Open-market sale | 838 | $246.24 | 24,155 |
| 2023-04-28 | Tax withholding | 429 | $242.24 | 26,087 |
| 2023-04-27 | Grant / award (derivative) | 9,329 | $0.00 | 9,329 |
| 2023-04-27 | Grant / award | 3,039 | $0.00 | 26,516 |
| 2023-04-22 | Tax withholding | 354 | $245.70 | 24,177 |
| 2022-04-28 | Grant / award (derivative) | 9,506 | $0.00 | 9,506 |
| 2022-04-28 | Grant / award | 2,907 | $0.00 | 24,531 |
| 2022-04-26 | Tax withholding | 443 | $224.38 | 21,624 |
| 2022-04-23 | Tax withholding | 700 | $231.51 | 20,067 |
| 2022-04-23 | Tax withholding | 700 | $245.70 | 23,477 |
| 2022-04-22 | Tax withholding | 380 | $231.51 | 22,767 |
| 2021-11-17 | Option exercise (derivative) | 1,601 | $0.00 | 0 |
| 2021-11-17 | Option exercise | 1,601 | $192.59 | 24,748 |
| 2021-11-17 | Open-market sale | 1,601 | $329.00 | 23,147 |
| 2021-11-12 | Option exercise (derivative) | 7,491 | $0.00 | 1,601 |
| 2021-11-12 | Open-market sale | 2,570 | $328.44 | 28,068 |
| 2021-11-12 | Open-market sale | 3,521 | $329.48 | 24,547 |
| 2021-11-12 | Option exercise | 7,491 | $192.59 | 30,638 |
| 2021-11-12 | Open-market sale | 1,400 | $330.32 | 23,147 |
| 2021-04-27 | Tax withholding | 392 | $275.26 | 23,147 |
| 2021-04-26 | Tax withholding | 443 | $278.77 | 23,539 |
| 2021-04-23 | Tax withholding | 700 | $275.94 | 23,982 |
| 2021-04-22 | Grant / award (derivative) | 10,023 | $0.00 | 10,023 |
| 2021-04-22 | Grant / award | 3,457 | $0.00 | 24,682 |
| 2021-02-16 | Option exercise (derivative) | 2,919 | $0.00 | 0 |
| 2021-02-16 | Open-market sale | 2,919 | $275.00 | 21,225 |
| 2021-02-16 | Option exercise | 2,919 | $154.15 | 24,144 |
| 2021-02-12 | Option exercise (derivative) | 7,184 | $0.00 | 2,919 |
| 2021-02-12 | Option exercise | 7,184 | $154.15 | 28,409 |
| 2021-02-12 | Open-market sale | 7,184 | $275.00 | 21,225 |
| 2020-11-05 | Option exercise (derivative) | 10,750 | $0.00 | 0 |
| 2020-11-05 | Open-market sale | 4,130 | $209.31 | 21,225 |
| 2020-11-05 | Open-market sale | 6,620 | $208.69 | 25,355 |
| 2020-11-05 | Option exercise | 10,750 | $120.15 | 31,975 |
| 2020-08-10 | Open-market sale | 3,116 | $190.00 | 21,225 |
| 2020-06-03 | Open-market sale | 1,647 | $175.70 | 24,341 |
| 2020-04-28 | Tax withholding | 264 | $142.91 | 25,988 |
| 2020-04-27 | Tax withholding | 260 | $141.82 | 26,252 |
| 2020-04-26 | Tax withholding | 293 | $135.49 | 26,512 |
| 2020-04-23 | Grant / award (derivative) | 16,839 | $0.00 | 16,839 |
| 2020-04-23 | Grant / award | 4,742 | $0.00 | 26,805 |
| 2020-02-05 | Open-market sale | 1,805 | $184.50 | 22,063 |
| 2019-07-20 | Tax withholding | 2,478 | $175.00 | 23,868 |
| 2019-04-28 | Tax withholding | 399 | $199.24 | 26,346 |
| 2019-04-27 | Tax withholding | 292 | $199.24 | 26,745 |
| 2019-04-26 | Grant / award (derivative) | 10,206 | $0.00 | 10,206 |
| 2019-04-26 | Grant / award | 3,000 | $0.00 | 27,037 |
| 2019-04-22 | Tax withholding | 294 | $198.05 | 24,037 |
| 2018-06-11 | Option exercise (derivative) | 4,013 | $0.00 | 0 |
| 2018-06-11 | Open-market sale | 4,013 | $230.18 | 24,331 |
| 2018-06-11 | Option exercise | 4,013 | $96.15 | 28,344 |
| 2018-06-07 | Open-market sale | 3,243 | $223.00 | 24,331 |
| 2018-04-28 | Tax withholding | 399 | $192.59 | 27,574 |
| 2018-04-27 | Grant / award (derivative) | 9,092 | $0.00 | 9,092 |
| 2018-04-27 | Grant / award | 2,659 | $0.00 | 27,973 |
| 2018-04-24 | Tax withholding | 466 | $199.26 | 25,314 |
| 2018-04-22 | Tax withholding | 444 | $204.12 | 25,780 |
| 2018-03-13 | Option exercise (derivative) | 8,027 | $0.00 | 4,013 |
| 2018-03-13 | Option exercise | 8,027 | $96.15 | 34,251 |
| 2018-03-13 | Open-market sale | 8,027 | $223.36 | 26,224 |
| 2018-02-26 | Option exercise (derivative) | 10,700 | $0.00 | 0 |
| 2018-02-26 | Open-market sale | 10,700 | $210.00 | 26,224 |
| 2018-02-26 | Option exercise | 10,700 | $94.84 | 36,924 |
| 2017-04-28 | Grant / award (derivative) | 10,103 | $0.00 | 10,103 |
| 2017-04-28 | Grant / award | 2,703 | $0.00 | 26,224 |
| 2017-04-25 | Tax withholding | 1,179 | $157.42 | 23,521 |
| 2017-04-24 | Tax withholding | 327 | $156.17 | 24,700 |
| 2017-04-22 | Tax withholding | 312 | $153.11 | 25,027 |
| 2016-11-18 | Option exercise (derivative) | 13,000 | $0.00 | 0 |
| 2016-11-18 | Open-market sale | 1,300 | $151.98 | 25,339 |
| 2016-11-18 | Option exercise | 13,000 | $66.68 | 38,339 |
| 2016-11-18 | Open-market sale | 11,700 | $150.97 | 26,639 |
| 2016-08-29 | Open-market sale | 1,769 | $127.00 | 25,339 |
| 2016-07-20 | Grant / award | 5,594 | $120.65 | 27,108 |
| 2016-04-26 | Tax withholding | 541 | $121.01 | 21,514 |
| 2016-04-25 | Tax withholding | 468 | $119.41 | 22,055 |
| 2016-04-25 | Tax withholding | 482 | $120.15 | 22,523 |
| 2016-04-22 | Grant / award (derivative) | 10,750 | $0.00 | 10,750 |
| 2016-04-22 | Grant / award | 3,006 | $0.00 | 23,005 |
| 2016-02-16 | Option exercise (derivative) | 11,500 | $0.00 | 0 |
| 2016-02-16 | Open-market sale | 11,500 | $111.00 | 19,999 |
| 2016-02-16 | Option exercise | 11,500 | $63.09 | 31,499 |
| 2016-02-05 | Option exercise (derivative) | 1,000 | $0.00 | 11,500 |
| 2016-02-05 | Option exercise | 1,000 | $63.09 | 20,999 |
| 2016-02-05 | Open-market sale | 1,000 | $110.31 | 19,999 |
| 2015-05-05 | Gift | 52 | $0.00 | 19,999 |
| 2015-05-04 | Open-market sale | 2,389 | $99.98 | 20,051 |
| 2015-04-27 | Tax withholding | 686 | $96.15 | 22,832 |
| 2015-04-27 | Tax withholding | 392 | $97.07 | 22,440 |
| 2015-04-24 | Grant / award (derivative) | 12,040 | $0.00 | 12,040 |
| 2015-04-24 | Grant / award | 3,160 | $0.00 | 23,518 |
| 2014-10-31 | Option exercise (derivative) | 2,200 | $0.00 | 0 |
| 2014-10-31 | Option exercise | 2,200 | $62.21 | 22,558 |
| 2014-10-31 | Open-market sale | 2,200 | $97.95 | 20,358 |
| 2014-07-01 | Option exercise (derivative) | 4,400 | $0.00 | 2,200 |
| 2014-07-01 | Option exercise | 4,400 | $62.21 | 18,293 |
| 2014-07-01 | Open-market sale | 2,200 | $93.95 | 16,093 |
| 2014-07-01 | Open-market sale | 2,200 | $95.95 | 13,893 |
| 2014-06-23 | Open-market sale | 1,213 | $91.95 | 11,693 |
| 2014-06-20 | Open-market sale | 987 | $91.95 | 12,906 |
| 2014-05-12 | Open-market sale | 2,217 | $91.01 | 13,893 |
| 2014-05-08 | Gift | 110 | $0.00 | 20,358 |
| 2014-04-29 | Tax withholding | 269 | $90.78 | 16,110 |
| 2014-04-28 | Tax withholding | 791 | $94.84 | 16,379 |
| 2014-04-25 | Grant / award (derivative) | 10,700 | $0.00 | 10,700 |
| 2014-04-25 | Grant / award | 3,070 | $0.00 | 15,187 |
| 2014-04-25 | Grant / award | 1,983 | $0.00 | 17,170 |
| 2013-11-13 | Option exercise (derivative) | 1,000 | $0.00 | 4,000 |
| 2013-11-13 | Option exercise | 1,000 | $42.13 | 13,117 |
| 2013-11-13 | Open-market sale | 1,000 | $83.45 | 12,117 |
| 2013-11-12 | Option exercise (derivative) | 2,898 | $0.00 | 5,000 |
| 2013-11-12 | Option exercise | 2,898 | $42.13 | 15,015 |
| 2013-11-08 | Option exercise (derivative) | 2,102 | $0.00 | 7,898 |
| 2013-11-08 | Open-market sale | 2,102 | $83.14 | 12,117 |
| 2013-11-08 | Option exercise | 2,102 | $42.13 | 14,219 |
| 2013-05-10 | Option exercise (derivative) | 10,500 | $0.00 | 0 |
| 2013-05-10 | Option exercise | 10,500 | $36.33 | 22,617 |
| 2013-05-10 | Open-market sale | 10,500 | $70.32 | 12,117 |
| 2013-05-07 | Open-market sale | 6,575 | $70.07 | 12,117 |
| 2013-05-07 | Option exercise (derivative) | 6,575 | $0.00 | 0 |
| 2013-05-07 | Option exercise | 6,575 | $13.88 | 25,267 |
| 2013-05-07 | Open-market sale | 6,575 | $70.07 | 18,692 |
| 2013-04-30 | Tax withholding | 378 | $69.82 | 18,692 |
| 2013-04-29 | Tax withholding | 269 | $67.00 | 19,070 |
| 2013-04-27 | Tax withholding | 408 | $66.68 | 19,339 |
| 2013-04-26 | Grant / award (derivative) | 13,000 | $0.00 | 13,000 |
| 2013-04-26 | Grant / award | 3,550 | $0.00 | 19,747 |
| 2013-04-24 | Tax withholding | 712 | $66.37 | 16,197 |
| 2012-06-08 | Disposition to issuer (derivative) | 15,000 | $41.22 | 0 |
| 2012-06-08 | Grant / award | 15,000 | $41.22 | 31,909 |
| 2012-06-08 | Disposition to issuer | 15,000 | $59.50 | 16,909 |
| 2012-05-09 | Option exercise (derivative) | 6,575 | $13.88 | 6,575 |
| 2012-05-09 | Disposition to issuer | 6,575 | $60.00 | 16,909 |
| 2012-05-09 | Grant / award | 6,575 | $13.88 | 23,484 |
| 2012-04-30 | Tax withholding | 368 | $62.67 | 16,909 |
| 2012-04-29 | Tax withholding | 262 | $63.09 | 17,277 |
| 2012-04-27 | Grant / award (derivative) | 12,500 | $0.00 | 12,500 |
| 2012-04-27 | Grant / award | 3,780 | $0.00 | 17,539 |
| 2012-04-25 | Tax withholding | 139 | $61.56 | 13,759 |
| 2012-04-24 | Tax withholding | 692 | $59.79 | 13,898 |
| 2011-06-01 | Option exercise (derivative) | 10,595 | $31.32 | 0 |
| 2011-06-01 | Grant / award | 10,595 | $31.32 | 25,185 |
| 2011-06-01 | Disposition to issuer | 10,595 | $60.00 | 14,590 |
| 2011-05-26 | Option exercise (derivative) | 9,838 | $13.88 | 13,150 |
| 2011-05-26 | Disposition to issuer | 9,838 | $60.02 | 14,590 |
| 2011-05-26 | Grant / award | 9,838 | $13.88 | 24,428 |
| 2011-05-13 | Option exercise (derivative) | 2,878 | $31.32 | 10,595 |
| 2011-05-13 | Grant / award | 2,878 | $31.32 | 17,468 |
| 2011-05-13 | Disposition to issuer | 2,878 | $61.50 | 14,590 |
| 2011-05-12 | Option exercise (derivative) | 3,312 | $13.88 | 22,988 |
| 2011-05-12 | Option exercise (derivative) | 1,102 | $31.32 | 13,473 |
| 2011-05-12 | Grant / award | 3,312 | $13.88 | 17,902 |
| 2011-05-12 | Grant / award | 1,102 | $31.32 | 15,692 |
| 2011-05-12 | Disposition to issuer | 3,312 | $61.50 | 14,590 |
| 2011-05-11 | Option exercise (derivative) | 425 | $31.32 | 14,575 |
| 2011-05-11 | Grant / award | 425 | $31.32 | 15,015 |
| 2011-05-11 | Disposition to issuer | 425 | $61.50 | 14,590 |
| 2011-04-30 | Tax withholding | 368 | $62.21 | 14,590 |
| 2011-04-29 | Grant / award (derivative) | 8,800 | $0.00 | 8,800 |
| 2011-04-29 | Grant / award | 2,500 | $0.00 | 14,958 |
| 2011-04-25 | Tax withholding | 139 | $60.04 | 12,458 |
| 2011-04-24 | Tax withholding | 692 | $59.89 | 12,597 |
| 2010-05-10 | Tax withholding | 791 | $38.00 | 13,289 |
| 2010-04-30 | Grant / award (derivative) | 10,000 | $0.00 | 10,000 |
| 2010-04-30 | Grant / award | 3,510 | $0.00 | 14,080 |
| 2009-04-24 | Grant / award (derivative) | 26,300 | $0.00 | 26,300 |
| 2009-04-24 | Grant / award | 8,800 | $0.00 | 10,570 |
| 2008-04-25 | Grant / award (derivative) | 10,500 | $0.00 | 10,500 |
| 2008-04-25 | Grant / award | 1,770 | $0.00 | 1,770 |
| 2007-04-27 | Grant / award (derivative) | 15,000 | $41.22 | 15,000 |
| 2007-01-03 | Grant / award (derivative) | 15,000 | $31.32 | 15,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.