Quick Takeaways
- KN - Knowles Corp has 17 insiders with reported activity on this page.
- Net insider value flow over the last year: -$20,196,765.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 17 Insiders of Knowles Corp
- Symbol
- KN on NYSE
- Location
- Itasca, IL
What Changed
- Buy value: ; sell value: $20,196,764.
- Net share flow: -781,117.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$20,196,765.
Buys
$0
Shares: 0
Insiders: 0
Sells
$20,196,765
Shares: 781,117
Insiders: 8
Net
-$20,196,765
Shares: -781,117
Insiders: -8
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 280,299 | $0 | $8,521,045 | -$8,521,045 |
| 3-6 | 0 | 271,440 | $0 | $6,565,756 | -$6,565,756 |
| 6-9 | 0 | 136,656 | $0 | $3,234,433 | -$3,234,433 |
| 9-12 | 0 | 92,722 | $0 | $1,875,530 | -$1,875,530 |
Knowles Corp executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Poa Jeffrey Niew | President & CEO, Director | $29,383,656 | -$13,034,428 | -31% | Filing P/S | 05 May 2026 |
| Poa John Anderson | Senior Vice President & CFO | $6,460,773 | -$2,192,837 | -25% | Mixed | 20 Feb 2026 |
| Poa Daniel Giesecke | Senior Vice President & COO | $5,399,382 | -$432,390 | -7.4% | Mixed | 20 Feb 2026 |
| Poa Raymond D. Cabrera | SVP, Chief HR Officer | $3,484,140 | -$363,153 | -9.4% | Mixed | 20 Feb 2026 |
| Poa Donald Macleod | Director | $2,358,385 | Mixed | 30 Apr 2024 | ||
| PERNA ROBERT J | SVP, General Counsel & Sec | $2,255,643 | -$1,700,522 | -43% | Filing P/S | 24 Feb 2026 |
| Didier Hirsch | Director | $2,241,978 | Mixed | 29 Apr 2025 | ||
| Poa Ye Jane Li | Director | $2,048,442 | Mixed | 03 Feb 2026 | ||
| Poa Michael Wishart | Director | $1,970,169 | Median | 28 Apr 2026 | ||
| Poa Keith Barnes | Director | $1,625,518 | -$1,114,864 | -41% | Median | 28 Apr 2026 |
| Poa Daniel Crowley | Director | $1,517,251 | Median | 28 Apr 2026 | ||
| Poa Air A. Bastarrica Jr. | Vice President, Controller | $1,470,357 | -$835,829 | -36% | Filing P/S | 30 Apr 2026 |
| Poa Hermann Eul | Director | $1,419,935 | Mixed | 01 Jan 2024 | ||
| Poa Cheryl Shavers | Director | $1,087,316 | -$522,741 | -32% | Median | 28 Apr 2026 |
| Poa Jason Cardew | Director | $935,111 | Median | 28 Apr 2026 | ||
| Poa Laura Angelini | Director | $778,386 | Median | 28 Apr 2026 | ||
| Poa Erania Brackett | Director | $496,476 | Mixed | 30 Apr 2024 |
Top shareholders of Knowles Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
15%
from 13D/G
|
13,363,143
|
$286,372,147 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
10,809,607
|
$231,649,877 | — | 31 Dec 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
|
Vanguard Portfolio Management |
7.8%
|
6,721,350
|
$172,604,268 | $0 | 31 Mar 2026 | |
| Neuberger Berman Group LLC |
13F
13D/G
|
Company |
5.8%
from 13D/G
|
5,748,562
|
$123,191,684 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
6.7%
|
5,737,885
|
$122,963,632 | — | 31 Dec 2025 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
5%
|
4,301,980
|
$110,474,846 | $0 | 31 Mar 2026 | |
| ARIEL INVESTMENTS, LLC |
13D/G
13F
|
Company |
4.8%
|
4,108,160
|
$95,761,210 | $0 | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.9%
|
3,309,965
|
$70,932,550 | — | 31 Dec 2025 | |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC |
13F
|
Company |
3.6%
|
3,118,630
|
$66,832,241 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
3.3%
|
2,806,916
|
$60,152,209 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
2,011,285
|
$43,109,111 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
2.2%
|
1,851,215
|
$39,671,537 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
2.1%
|
1,804,487
|
$38,670,157 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
1.8%
|
1,519,568
|
$32,753,144 | — | 31 Dec 2025 | |
| Poa Jeffrey Niew |
3/4/5
|
President & CEO, Director |
1%
|
883,719
|
$29,383,656 | -$13,034,428 | 05 May 2026 | |
| CRAMER ROSENTHAL MCGLYNN LLC |
13F
|
Company |
1.6%
|
1,367,563
|
$29,306,875 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.5%
|
1,277,546
|
$27,377,811 | — | 31 Dec 2025 | |
| FRANKLIN MUTUAL ADVISERS LLC |
13D/G
|
— |
1.5%
|
1,258,590
|
$26,971,584 | -$70,699,134 | 31 Dec 2025 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
1.4%
|
1,233,346
|
$26,430,605 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1.4%
|
1,177,294
|
$25,841,604 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
1.4%
|
1,193,861
|
$25,584,441 | — | 31 Dec 2025 | |
| Aristotle Capital Boston, LLC |
13F
|
Company |
1.4%
|
1,167,408
|
$25,017,563 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.3%
|
1,110,534
|
$23,798,795 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.2%
|
1,001,331
|
$21,458,524 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.1%
|
983,662
|
$21,079,876 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.98%
|
838,742
|
$17,974,240 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.97%
|
834,307
|
$17,879,199 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.92%
|
785,782
|
$16,839,308 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.91%
|
783,237
|
$16,784,769 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.85%
|
728,896
|
$15,620,241 | — | 31 Dec 2025 | |
| Harvey Partners, LLC |
13F
|
Company |
0.76%
|
652,500
|
$13,983,075 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
0.74%
|
634,355
|
$13,594,227 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.67%
|
575,779
|
$12,338,945 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.64%
|
547,803
|
$11,739,418 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.56%
|
477,376
|
$10,230,192 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.55%
|
471,890
|
$10,112,602 | — | 31 Dec 2025 | |
| NORDEA INVESTMENT MANAGEMENT AB |
13F
|
Company |
0.52%
|
445,889
|
$9,591,072 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.49%
|
418,035
|
$8,958,491 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.47%
|
405,944
|
$8,699,379 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.44%
|
376,590
|
$8,070,323 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.4%
|
341,073
|
$7,309,194 | — | 31 Dec 2025 | |
| Creative Planning |
13F
|
Company |
0.36%
|
307,319
|
$6,585,837 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.36%
|
305,899
|
$6,555,416 | — | 31 Dec 2025 | |
| Poa John Anderson |
3/4/5
|
Senior Vice President & CFO |
0.27%
|
234,596
|
$6,460,773 | -$2,192,837 | 20 Feb 2026 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.34%
|
294,670
|
$6,314,778 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.32%
|
276,432
|
$5,923,938 | — | 31 Dec 2025 | |
| Poa Daniel Giesecke |
3/4/5
|
Senior Vice President & COO |
0.23%
|
196,056
|
$5,399,382 | -$432,390 | 20 Feb 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.29%
|
248,126
|
$5,317,355 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.27%
|
234,164
|
$5,018,113 | — | 31 Dec 2025 | |
| CSM Advisors, LLC |
13F
|
Company |
0.27%
|
231,239
|
$4,954,000 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Knowles Corp
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Poa Jeffrey Niew | KN | Common Stock | Sale | -13.9% | $4,749,995 | $33.25 | -142,857 | 883,719 | 05 May 2026 | Direct |
| Poa Jeffrey Niew | KN | Common Stock | Options Exercise | 16.2% | 142,857 | 1,026,576 | 05 May 2026 | Direct | ||
| Poa Jeffrey Niew | KN | Non-Qualified Stock Option (right to buy) | Options Exercise | -100% | -142,857 | 0 | 05 May 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Sale | -7.08% | $111,987 | $30.91 | -3,623 | 47,569 | 30 Apr 2026 | Direct |
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Sale | -4.04% | $64,504 | $29.96 | -2,153 | 51,192 | 29 Apr 2026 | Direct |
| Poa Ye Jane Li | KN | Common Stock | Award | 10.4% | 6,265 | 66,717 | 28 Apr 2026 | Direct | ||
| Poa Michael Wishart | KN | Common Stock | Award | 8.89% | 6,265 | 76,720 | 28 Apr 2026 | Direct | ||
| Poa Cheryl Shavers | KN | Common Stock | Award | 17.4% | 6,265 | 42,341 | 28 Apr 2026 | Direct | ||
| Poa Daniel Crowley | KN | Common Stock | Award | 11.9% | 6,265 | 59,083 | 28 Apr 2026 | Direct | ||
| Poa Jason Cardew | KN | Common Stock | Award | 20.8% | 6,265 | 36,414 | 28 Apr 2026 | Direct | ||
| Poa Keith Barnes | KN | Common Stock | Award | 11% | 6,265 | 63,299 | 28 Apr 2026 | Direct | ||
| Poa Laura Angelini | KN | Common Stock | Award | 26% | 6,265 | 30,311 | 28 Apr 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Sale | -3.55% | $59,370 | $30.26 | -1,962 | 53,345 | 28 Apr 2026 | Direct |
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Sale | -3.93% | $69,398 | $30.68 | -2,262 | 55,307 | 27 Apr 2026 | Direct |
| Perna Robert J | KN | Common Stock | Sale | -100% | $257,081 | $27.88 | -9,221 | 0 | 26 Feb 2026 | by Trust |
| Perna Robert J | KN | Common Stock | Sale | -8.46% | $208,558 | $28.10 | -7,422 | 80,272 | 24 Feb 2026 | Direct |
| Perna Robert J | KN | Common Stock | Tax liability | -3.4% | -3,086 | 87,694 | 20 Feb 2026 | Direct | ||
| Poa Jeffrey Niew | KN | Common Stock | Tax liability | -1.94% | -17,456 | 883,719 | 20 Feb 2026 | Direct | ||
| Poa Daniel Giesecke | KN | Common Stock | Tax liability | -1.98% | -3,968 | 196,056 | 20 Feb 2026 | Direct | ||
| Poa Raymond D. Cabrera | KN | Common Stock | Tax liability | -2.38% | -3,086 | 126,512 | 20 Feb 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Tax liability | -3.92% | -2,347 | 57,569 | 20 Feb 2026 | Direct | ||
| Poa John Anderson | KN | Common Stock | Tax liability | -2.38% | -5,731 | 234,596 | 20 Feb 2026 | Direct | ||
| Poa Cheryl Shavers | KN | Common Stock | Sale | -9.3% | $101,380 | $27.40 | -3,700 | 36,076 | 20 Feb 2026 | Direct |
| Keith Barnes | KN | Common Stock | Sale | -100% | $1,114,864 | $27.16 | -41,048 | 0 | 19 Feb 2026 | by Trust |
| Perna Robert J | KN | Common Stock | Tax liability | -3.01% | -2,818 | 90,780 | 18 Feb 2026 | Direct | ||
| Poa Jeffrey Niew | KN | Common Stock | Tax liability | -1.74% | -15,943 | 901,175 | 18 Feb 2026 | Direct | ||
| Poa Daniel Giesecke | KN | Common Stock | Tax liability | -1.78% | -3,624 | 200,024 | 18 Feb 2026 | Direct | ||
| Poa Raymond D. Cabrera | KN | Common Stock | Tax liability | -2.13% | -2,818 | 129,598 | 18 Feb 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Tax liability | -3.45% | -2,143 | 59,916 | 18 Feb 2026 | Direct | ||
| Poa John Anderson | KN | Common Stock | Tax liability | -2.13% | -5,234 | 240,327 | 18 Feb 2026 | Direct | ||
| Perna Robert J | KN | Common Stock | Tax liability | -16.2% | -15,384 | 79,781 | 17 Feb 2026 | Direct | ||
| Perna Robert J | KN | Common Stock | Award | 104.1% | 48,542 | 95,165 | 17 Feb 2026 | Direct | ||
| Poa Jeffrey Niew | KN | Common Stock | Tax liability | -10% | -94,277 | 844,163 | 17 Feb 2026 | Direct | ||
| Poa Jeffrey Niew | KN | Common Stock | Award | 43.8% | 285,769 | 938,440 | 17 Feb 2026 | Direct | ||
| Poa Daniel Giesecke | KN | Common Stock | Tax liability | -8.59% | -17,581 | 187,067 | 17 Feb 2026 | Direct | ||
| Poa Daniel Giesecke | KN | Common Stock | Award | 37.9% | 56,266 | 204,648 | 17 Feb 2026 | Direct | ||
| Poa Raymond D. Cabrera | KN | Common Stock | Tax liability | -10% | -13,184 | 118,599 | 17 Feb 2026 | Direct | ||
| Poa Raymond D. Cabrera | KN | Common Stock | Award | 49.1% | 43,581 | 132,416 | 17 Feb 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Award | 21.7% | 11,054 | 62,059 | 17 Feb 2026 | Direct | ||
| Poa John Anderson | KN | Common Stock | Tax liability | -11.4% | -28,569 | 221,611 | 17 Feb 2026 | Direct | ||
| Poa John Anderson | KN | Common Stock | Award | 54.7% | 88,439 | 250,180 | 17 Feb 2026 | Direct | ||
| Keith Barnes | KN | Common Stock | Gift | 41,048 | 41,048 | 10 Feb 2026 | by Trust | |||
| Keith Barnes | KN | Common Stock | Gift | -41.8% | -41,048 | 57,034 | 10 Feb 2026 | Direct | ||
| Poa John Anderson | KN | Common Stock | Sale | -11.9% | $677,081 | $27.08 | -25,000 | 185,691 | 10 Feb 2026 | Direct |
| Perna Robert J | KN | Common Stock | Sale | -4.98% | $85,767 | $27.09 | -3,166 | 60,440 | 10 Feb 2026 | Direct |
| Poa Daniel Giesecke | KN | Common Stock | Sale | -8.78% | $432,390 | $27.22 | -15,885 | 164,963 | 09 Feb 2026 | Direct |
| Poa Raymond D. Cabrera | KN | Common Stock | Sale | -8.93% | $267,500 | $26.75 | -10,000 | 102,019 | 09 Feb 2026 | Direct |
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Tax liability | -25.7% | -17,262 | 49,820 | 09 Feb 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Options Exercise | 50.1% | 20,067 | 60,124 | 09 Feb 2026 | Direct | ||
| Poa Air A. Bastarrica Jr. | KN | Common Stock | Sale | -19.9% | $321,170 | $26.76 | -12,000 | 48,200 | 09 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.