Insider trading activities (stock purchases, sales, and option exercises)
reported by insiders of Knowles Corp (KN)
since 2015 are shown in Table 1 and Table 2.
Table 1 shows the monthly insider trading data of Knowles Corp.
Table 2 shows the detailed insider transactions.
This company's CIK number is 1587523.
Total stock buying since 2015: $1,940,764.
Total stock sales since 2015: $31,152,314.
Total stock option exercises since 2015: $29,186,133.
Table 3. Detailed insider trading at Knowles Corp (KN)
| Trade Date |
Insider Name |
Trade Type |
Shares |
Price ($) |
Value ($) |
| 2025-08-25 | Cabrera Raymond D. (SVP, Chief HR Officer) | Option Ex | 24,116 | 16.07 | 387,544 |
| 2025-08-22 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 30,145 | 16.07 | 484,430 |
| 2025-08-13 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 42,017 | 16.77 | 704,625 |
| 2025-08-05 | Shavers Cheryl L (Director) | Sale | 21,047 | 20.02 | 421,360 |
| 2025-07-29 | Bastarrica Air A. Jr. (Vice President, Controller) | Sale | 10,000 | 20.94 | 209,400 |
| 2025-07-28 | Perna Robert J (SVP, General Counsel & Sec) | Sale | 56,130 | 20.47 | 1,149,093 |
| 2025-07-28 | Perna Robert J (SVP, General Counsel & Sec) | Option Ex | 56,130 | 17.08 | 958,700 |
| 2025-05-15 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 5,545 | 17.25 | 95,678 |
| 2025-02-26 | Perna Robert J (SVP, General Counsel & Sec) | Sale | 10,009 | 17.02 | 170,353 |
| 2024-12-10 | Anderson John S. (Senior Vice President & CFO) | Sale | 93 | 19.50 | 1,813 |
| 2024-12-10 | Niew Jeffrey (President & CEO) | Sale | 4,423 | 19.50 | 86,248 |
| 2024-12-04 | Bastarrica Air A. Jr. (Vice President, Controller) | Option Ex | 4,482 | 16.77 | 75,163 |
| 2024-12-03 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 40,193 | 16.07 | 645,901 |
| 2024-11-25 | Anderson John S. (Senior Vice President & CFO) | Sale | 10,443 | 19.50 | 203,638 |
| 2024-11-07 | Bastarrica Air A. Jr. (Vice President, Controller) | Sale | 3,762 | 19.46 | 73,208 |
| 2024-11-07 | Giesecke Daniel J. (Senior Vice President & COO) | Sale | 323 | 19.39 | 6,262 |
| 2024-11-06 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 34,787 | 14.29 | 497,106 |
| 2024-11-06 | Niew Jeffrey (President & CEO) | Sale | 157,699 | 18.98 | 2,993,127 |
| 2024-11-06 | Niew Jeffrey (President & CEO) | Option Ex | 157,699 | 14.29 | 2,253,518 |
| 2024-11-04 | Perna Robert J (SVP, General Counsel & Sec) | Sale | 21,080 | 17.56 | 370,164 |
| 2024-09-30 | Barnes Keith (Director) | Sale | 6,725 | 17.88 | 120,243 |
| 2024-09-23 | Shavers Cheryl L (Director) | Sale | 12,579 | 17.29 | 217,490 |
| 2024-09-20 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Option Ex | 27,829 | 14.29 | 397,676 |
| 2024-08-23 | Anderson John S. (Senior Vice President & CFO) | Sale | 10,444 | 18.50 | 193,214 |
| 2024-07-11 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 46,382 | 14.29 | 662,798 |
| 2024-05-31 | Barnes Keith (Director) | Sale | 5,186 | 17.45 | 90,495 |
| 2024-02-22 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 10,300 | 16.90 | 174,069 |
| 2023-11-09 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 5,000 | 15.42 | 77,100 |
| 2023-05-18 | Shavers Cheryl L (Director) | Sale | 12,205 | 16.61 | 202,725 |
| 2023-05-03 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 8,490 | 16.36 | 138,896 |
| 2023-02-03 | Bastarrica Air A. Jr. (Vice President, Controller) | Option Ex | 21,825 | 16.42 | 358,366 |
| 2023-01-06 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 47,872 | 11.02 | 527,549 |
| 2023-01-05 | Niew Jeffrey (President & CEO) | Option Ex | 231,915 | 11.02 | 2,555,703 |
| 2022-12-14 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 44,681 | 11.02 | 492,384 |
| 2022-11-10 | Niew Jeffrey (President & CEO) | Option Ex | 200,000 | 11.02 | 2,204,000 |
| 2022-11-02 | Crowley Daniel J (Director) | Buy | 2,000 | 13.97 | 27,940 |
| 2022-05-26 | Niew Jeffrey (President & CEO) | Sale | 77,537 | 18.91 | 1,466,069 |
| 2022-05-26 | Niew Jeffrey (President & CEO) | Option Ex | 100,000 | 11.02 | 1,102,000 |
| 2022-05-23 | Shavers Cheryl L (Director) | Sale | 3,100 | 18.85 | 58,435 |
| 2022-05-09 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 63,830 | 19.07 | 1,217,046 |
| 2022-05-09 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Option Ex | 63,830 | 11.02 | 703,406 |
| 2022-03-30 | Anderson John S. (Senior Vice President & CFO) | Sale | 25,000 | 22.77 | 569,250 |
| 2022-03-30 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 25,000 | 11.02 | 275,500 |
| 2022-03-28 | Giesecke Daniel J. (Senior Vice President & COO) | Sale | 47,873 | 22.19 | 1,062,301 |
| 2022-03-28 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 47,873 | 11.02 | 527,560 |
| 2022-02-25 | Li Ye Jane (Director) | Sale | 13,450 | 21.80 | 293,210 |
| 2022-01-03 | Niew Jeffrey (President & CEO) | Sale | 106,383 | 23.50 | 2,500,000 |
| 2022-01-03 | Niew Jeffrey (President & CEO) | Option Ex | 106,383 | 11.02 | 1,172,340 |
| 2021-12-22 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 16,541 | 21.77 | 360,097 |
| 2021-12-21 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 33,086 | 21.77 | 720,282 |
| 2021-12-13 | Anderson John S. (Senior Vice President & CFO) | Sale | 50,000 | 22.01 | 1,100,700 |
| 2021-12-13 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 50,000 | 11.02 | 551,000 |
| 2021-12-13 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Option Ex | 33,086 | 21.77 | 720,282 |
| 2021-11-12 | Niew Jeffrey (President & CEO) | Sale | 121,396 | 21.62 | 2,625,067 |
| 2021-11-12 | Niew Jeffrey (President & CEO) | Option Ex | 121,396 | 17.91 | 2,174,202 |
| 2021-11-04 | Bastarrica Air A. Jr. (Vice President, Controller) | Sale | 11,132 | 21.18 | 235,820 |
| 2021-11-04 | Bastarrica Air A. Jr. (Vice President, Controller) | Option Ex | 11,132 | 14.29 | 159,076 |
| 2021-11-01 | Giesecke Daniel J. (Senior Vice President & COO) | Sale | 36,419 | 21.15 | 770,261 |
| 2021-11-01 | Giesecke Daniel J. (Senior Vice President & COO) | Option Ex | 36,419 | 17.91 | 652,264 |
| 2021-10-28 | Niew Jeffrey (President & CEO) | Sale | 121,396 | 20.81 | 2,526,493 |
| 2021-10-28 | Niew Jeffrey (President & CEO) | Option Ex | 121,396 | 17.91 | 2,174,202 |
| 2021-08-30 | Anderson John S. (Senior Vice President & CFO) | Sale | 17,071 | 20.12 | 343,536 |
| 2021-08-30 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 17,071 | 17.91 | 305,741 |
| 2021-08-27 | Anderson John S. (Senior Vice President & CFO) | Sale | 17,071 | 19.97 | 340,976 |
| 2021-08-27 | Anderson John S. (Senior Vice President & CFO) | Option Ex | 17,071 | 17.91 | 305,741 |
| 2021-08-27 | Niew Jeffrey (President & CEO) | Sale | 121,396 | 19.99 | 2,426,706 |
| 2021-08-27 | Niew Jeffrey (President & CEO) | Option Ex | 121,396 | 17.91 | 2,174,202 |
| 2021-06-03 | Barnes Keith (Director) | Sale | 6,725 | 20.28 | 136,383 |
| 2021-05-03 | Bastarrica Air A. Jr. (Vice President, Controller) | Sale | 14,234 | 21.20 | 301,760 |
| 2021-05-03 | Bastarrica Air A. Jr. (Vice President, Controller) | Option Ex | 14,234 | 15.15 | 215,645 |
| 2021-04-29 | Shavers Cheryl L (Director) | Sale | 8,000 | 21.09 | 168,720 |
| 2021-04-27 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 36,419 | 21.11 | 768,914 |
| 2021-04-27 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Option Ex | 36,419 | 17.91 | 652,264 |
| 2021-02-10 | Cabrera Raymond D. (SVP, HR & Chief Admin. Officer) | Sale | 6,786 | 20.73 | 140,673 |
| 2021-01-22 | Giesecke Daniel J. (Senior Vice President & COO) | Sale | 5,000 | 20.00 | 100,000 |
| 2021-01-21 | Anderson John S. (Senior Vice President & CFO) | Sale | 5,081 | 19.95 | 101,365 |
| 2021-01-06 | Anderson John S. (Senior Vice President & CFO) | Sale | 4,612 | 18.95 | 87,397 |
| 2020-11-02 | Niew Jeffrey (President & CEO) | Buy | 3,000 | 15.00 | 45,000 |
| 2020-11-02 | Macleod Donald (Director) | Buy | 10,000 | 14.80 | 148,000 |
| 2020-07-31 | Macleod Donald (Director) | Buy | 10,000 | 15.09 | 150,900 |
| 2020-02-11 | Jankov Ronald Steven (Director) | Buy | 5,900 | 16.98 | 100,182 |
| 2020-02-06 | Hirsch Didier (Director) | Buy | 3,000 | 16.14 | 48,420 |
| 2019-11-06 | Anderson John S. (Senior VP & CFO) | Sale | 8,000 | 22.41 | 179,280 |
| 2019-11-06 | Niew Jeffrey (President & CEO) | Sale | 4,671 | 22.75 | 106,265 |
| 2019-11-05 | Niew Jeffrey (President & CEO) | Sale | 20,329 | 22.75 | 462,484 |
| 2019-10-29 | Giesecke Daniel J. (Senior VP & COO) | Sale | 22,595 | 20.85 | 471,105 |
| 2019-10-29 | Scherp Christian (President, Performance Audio) | Sale | 25,000 | 20.93 | 523,250 |
| 2019-08-21 | Niew Jeffrey (President & CEO) | Sale | 4,866 | 20.75 | 100,969 |
| 2019-08-21 | Niew Jeffrey (President & CEO) | Option Ex | 28,025 | 14.28 | 400,197 |
| 2019-08-16 | Shavers Cheryl L (Director) | Sale | 4,000 | 19.98 | 79,916 |
| 2019-08-08 | Niew Jeffrey (President & CEO) | Sale | 4,464 | 20.00 | 89,280 |
| 2019-08-08 | Niew Jeffrey (President & CEO) | Option Ex | 28,025 | 14.28 | 400,197 |
| 2019-08-05 | Li Ye Jane (Director) | Sale | 9,256 | 18.86 | 174,568 |
| 2019-07-31 | Cabrera Raymond D. (Senior VP, HR & CAO) | Sale | 4,000 | 20.64 | 82,560 |
| 2019-07-30 | Anderson John S. (Senior VP & CFO) | Sale | 7,500 | 20.40 | 153,000 |
| 2019-07-26 | Giesecke Daniel J. (Senior VP & COO) | Sale | 8,000 | 20.03 | 160,240 |
| 2019-07-26 | Niew Jeffrey (President & CEO) | Sale | 5,000 | 20.00 | 100,000 |
| 2019-07-26 | Scherp Christian (President, Performance Audio) | Sale | 10,000 | 20.00 | 200,000 |
| 2019-07-25 | Niew Jeffrey (President & CEO) | Sale | 20,000 | 20.00 | 400,000 |
| 2019-06-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 965 | 15.84 | 15,285 |
| 2019-05-10 | Anderson John S. (Senior VP & CFO) | Sale | 7,500 | 18.11 | 135,810 |
| 2019-05-07 | Polacek Michael S. (President, Intelligent Audio) | Buy | 800 | 18.75 | 15,000 |
| 2019-04-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 852 | 17.61 | 15,003 |
| 2019-03-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 926 | 16.28 | 15,075 |
| 2019-02-20 | Niew Jeffrey (President & CEO) | Sale | 11,629 | 16.01 | 186,180 |
| 2019-02-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 961 | 15.66 | 15,049 |
| 2019-01-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,212 | 12.38 | 15,004 |
| 2018-12-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 971 | 15.36 | 14,914 |
| 2018-11-06 | Polacek Michael S. (President, Intelligent Audio) | Buy | 926 | 16.19 | 14,991 |
| 2018-10-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 936 | 15.95 | 14,929 |
| 2018-09-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 827 | 18.12 | 14,985 |
| 2018-07-26 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,634 | 18.30 | 29,902 |
| 2018-07-26 | Jackson Thomas G (Senior VP & General Counsel) | Sale | 2,756 | 18.23 | 50,241 |
| 2018-06-01 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,020 | 14.58 | 14,871 |
| 2018-05-04 | Barnes Keith (Director) | Sale | 3,976 | 13.32 | 52,960 |
| 2018-05-01 | Niew Jeffrey (President & CEO) | Buy | 2,500 | 12.37 | 30,915 |
| 2018-05-01 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,160 | 12.80 | 14,848 |
| 2018-05-01 | Hirsch Didier (Director) | Buy | 7,000 | 12.60 | 88,200 |
| 2018-04-02 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,178 | 12.36 | 14,560 |
| 2018-03-01 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,027 | 14.44 | 14,829 |
| 2018-02-16 | Hirsch Didier (Director) | Buy | 3,000 | 14.45 | 43,335 |
| 2018-02-12 | Hirsch Didier (Director) | Buy | 2,000 | 13.40 | 26,800 |
| 2018-02-01 | Polacek Michael S. (President, Intelligent Audio) | Buy | 975 | 15.21 | 14,829 |
| 2018-01-02 | Polacek Michael S. (President, Intelligent Audio) | Buy | 1,007 | 14.78 | 14,883 |
| 2017-12-01 | Polacek Michael S. (President, Intelligent Audio) | Buy | 965 | 15.40 | 14,861 |
| 2017-11-08 | Polacek Michael S. (President, Intelligent Audio) | Buy | 925 | 16.18 | 14,962 |
| 2017-08-04 | Polacek Michael S. (President, Intelligent Audio) | Buy | 3,246 | 15.40 | 49,988 |
| 2017-03-08 | Niew Jeffrey (President & CEO) | Sale | 3,217 | 18.34 | 58,999 |
| 2017-03-08 | Jackson Thomas G (Senior VP & General Counsel) | Sale | 5,756 | 18.34 | 105,565 |
| 2017-02-22 | Jackson Thomas G (Senior VP & General Counsel) | Sale | 21,277 | 19.30 | 410,646 |
| 2017-02-22 | Jackson Thomas G (Senior VP & General Counsel) | Option Ex | 21,277 | 11.02 | 234,472 |
| 2017-02-21 | Anderson John S. (Senior VP & CFO) | Sale | 2,198 | 19.33 | 42,487 |
| 2017-02-21 | Niew Jeffrey (President & CEO) | Sale | 11,727 | 19.33 | 226,682 |
| 2017-02-21 | Jackson Thomas G (Senior VP & General Counsel) | Sale | 3,909 | 19.33 | 75,560 |
| 2016-11-18 | Barnes Keith (Director) | Sale | 3,485 | 16.05 | 55,934 |
| 2016-08-12 | Barnes Keith (Director) | Sale | 1,693 | 13.73 | 23,244 |
| 2016-07-29 | Jackson Thomas G (Senior VP & General Counsel) | Sale | 3,764 | 13.42 | 50,516 |
| 2016-02-18 | Walker Gordon A. (President, Acoustics) | Buy | 9,000 | 10.87 | 97,821 |
| 2016-02-18 | Niew Jeffrey (President & CEO) | Sale | 4,467 | 11.15 | 49,807 |
| 2016-02-18 | Hirsch Didier (Director) | Buy | 2,000 | 11.10 | 22,200 |
| 2016-02-17 | Niew Jeffrey (President & CEO) | Buy | 2,500 | 10.95 | 27,375 |
| 2016-02-16 | Niew Jeffrey (President & CEO) | Sale | 941 | 9.68 | 9,108 |
| 2015-11-13 | Eul Hermann (Director) | Buy | 1,250 | 15.39 | 19,232 |
| 2015-11-12 | Macleod Donald (Director) | Buy | 15,000 | 15.92 | 238,800 |
| 2015-10-29 | Lochridge Richard K (Director) | Buy | 5,800 | 17.09 | 99,104 |
| 2015-08-24 | Hirsch Didier (Director) | Buy | 1,200 | 14.00 | 16,800 |
| 2015-08-20 | Hirsch Didier (Director) | Buy | 1,000 | 15.00 | 15,000 |
| 2015-08-10 | Ergas Jean Pierre (Director) | Buy | 5,630 | 17.64 | 99,313 |
| 2015-05-29 | Wynn James F. (SVP, Global Supply Chain) | Buy | 1,275 | 19.33 | 24,645 |
| 2015-05-12 | Anderson John S. (Senior VP & CFO) | Buy | 1,000 | 18.60 | 18,600 |
| 2015-05-12 | Giesecke Daniel J. (Senior VP & COO) | Buy | 5,000 | 18.50 | 92,475 |
| 2015-05-08 | Dickinson Paul M (SVP - Corp. Development) | Buy | 6,000 | 18.49 | 110,939 |
Insider trading activities including stock purchases, stock sales, and option exercises
of KN listed in the above tables cannot be completely guaranteed as to their accuracy.
For more insider trading information of Knowles Corp (symbol KN,
CIK number 1587523) see
the Securities and Exchange Commission (SEC) website.