Quick Takeaways
- PLXS - PLEXUS CORP has 21 insiders with reported activity on this page.
- Net insider value flow over the last year: -$20,115,450.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 21 Insiders of PLEXUS CORP
- Symbol
- PLXS on Nasdaq
- Location
- Neenah, WI
What Changed
- Buy value: ; sell value: $20,115,450.
- Net share flow: -115,003.
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: -$20,115,450.
Buys
$0
Shares: 0
Insiders: 0
Sells
$20,115,450
Shares: 115,003
Insiders: 10
Net
-$20,115,450
Shares: -115,003
Insiders: -10
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 65,695 | $0 | $13,359,462 | -$13,359,462 |
| 3-6 | 0 | 17,920 | $0 | $2,576,999 | -$2,576,999 |
| 6-9 | 0 | 16,356 | $0 | $2,211,932 | -$2,211,932 |
| 9-12 | 0 | 15,032 | $0 | $1,967,057 | -$1,967,057 |
PLEXUS CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Dean A. Foate | Director, Chairman of the Board | $23,108,117 | -$3,074,468 | -12% | Mixed | 06 Feb 2026 |
| Todd P. Kelsey | President & CEO, Director | $20,947,923 | -$5,686,162 | -21% | Mixed | 15 Apr 2026 |
| Michael V Schrock | Director | $7,780,025 | Mixed | 09 Feb 2026 | ||
| Rainer Jueckstock | Director | $5,265,611 | Mixed | 09 Feb 2026 | ||
| Steven J. Frisch | Chief Strategy Officer | $4,963,019 | Mixed | 16 Aug 2024 | ||
| Patrick John Jermain | Exec. VP & CFO | $4,843,656 | -$3,959,758 | -45% | Mixed | 12 Feb 2026 |
| Angelo Michael Ninivaggi Jr. | EVP, Chief Legal & PAO & Secy | $4,707,113 | -$1,921,428 | -29% | Mixed | 17 Feb 2026 |
| Joann M. Eisenhart | Director | $3,880,778 | Mixed | 09 Feb 2026 | ||
| Oliver K. Mihm | Exec VP & COO | $3,456,600 | -$3,226,802 | -48% | Mixed | 17 Feb 2026 |
| Peter Kelly | Director | $3,216,700 | Mixed | 29 Jan 2024 | ||
| Stephen P. Cortinovis | Director | $3,156,209 | Mixed | 15 Feb 2022 | ||
| Paul A. Rooke | Director | $2,895,970 | Mixed | 09 Feb 2026 | ||
| Victor (pang Hau) Tan | Regional President - APAC | $2,689,553 | -$1,033,500 | -28% | Mixed | 17 Feb 2026 |
| Karen Marie Rapp | Director | $1,809,282 | -$304,415 | -14% | Mixed | 27 Feb 2026 |
| J. Joel Quadracci | Director | $1,428,755 | Mixed | 09 Feb 2026 | ||
| Scott Theune | Regional President - AMER | $1,308,082 | Mixed | 16 Nov 2023 | ||
| Randy J. Martinez | Director | $1,196,453 | -$203,140 | -15% | Mixed | 25 Feb 2026 |
| Jennifer Wuamett | Director | $717,122 | Mixed | 09 Feb 2026 | ||
| Michael J. Running | Regional President - AMER | $422,005 | -$417,594 | -50% | Mixed | 25 Feb 2026 |
| Frank Zycinski | Regional President - EMEA | $304,132 | -$288,184 | -49% | Mixed | 12 Feb 2026 |
| Ronnie Darroch | EVP Global Ops & Reg Pres-EMEA | Mixed | 01 May 2023 |
Top shareholders of PLEXUS 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
|
4,320,588
|
$635,126,436 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
14%
|
3,632,761
|
$534,015,867 | — | 31 Dec 2025 | |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC |
13D/G
|
— |
5.8%
|
1,560,622
|
$268,973,202 | $0 | 31 Dec 2025 | |
| DISCIPLINED GROWTH INVESTORS INC /MN |
13F
|
Company |
6%
|
1,590,840
|
$233,853,480 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
5.9%
|
1,560,622
|
$229,411,711 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
|
Company |
4.2%
|
1,119,371
|
$226,744,603 | -$59,960,046 | 31 Mar 2026 | |
| FIDUCIARY MANAGEMENT INC /WI/ |
13F
|
Company |
4.8%
|
1,290,446
|
$189,695,562 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.9%
|
1,030,035
|
$151,415,145 | — | 31 Dec 2025 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
3.8%
|
1,006,069
|
$147,892,000 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.5%
|
672,614
|
$98,889,500 | — | 31 Dec 2025 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
2.5%
|
671,959
|
$98,777,973 | — | 31 Dec 2025 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC |
13F
|
Company |
1.9%
|
508,418
|
$74,738,110 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
502,397
|
$73,852,628 | — | 31 Dec 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
1.7%
|
446,705
|
$65,665,593 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.5%
|
391,520
|
$57,553,440 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.5%
|
390,998
|
$57,476,706 | — | 31 Dec 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
1.3%
|
349,057
|
$51,311,379 | — | 31 Dec 2025 | |
| Boston Trust Walden Corp |
13F
|
Company |
1.3%
|
339,150
|
$49,855,050 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.2%
|
328,063
|
$48,225,261 | — | 31 Dec 2025 | |
| THRIVENT FINANCIAL FOR LUTHERANS |
13F
|
Company |
1.1%
|
297,894
|
$43,791,000 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.87%
|
231,508
|
$34,031,676 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.83%
|
221,834
|
$32,609,598 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.81%
|
217,021
|
$31,902,087 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.77%
|
205,580
|
$30,220,260 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.69%
|
184,905
|
$27,181,079 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.66%
|
175,259
|
$25,763,073 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.64%
|
171,798
|
$25,254,000 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.6%
|
160,149
|
$23,541,903 | — | 31 Dec 2025 | |
| Dean A. Foate |
3/4/5
|
Director, Chairman of the Board |
—
mixed-class rows
|
115,437
mixed-class rows
|
$23,108,117 | -$3,074,468 | 06 Feb 2026 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.56%
|
149,915
|
$22,037,505 | — | 31 Dec 2025 | |
| Todd P. Kelsey |
3/4/5
|
President & CEO, Director |
—
mixed-class rows
|
96,611
mixed-class rows
|
$20,947,923 | -$5,686,162 | 15 Apr 2026 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.53%
|
142,405
|
$20,933,535 | — | 31 Dec 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
0.53%
|
141,267
|
$20,766,249 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
0.51%
|
137,095
|
$20,153,000 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.5%
|
132,071
|
$19,414,437 | — | 31 Dec 2025 | |
| MetLife Investment Management, LLC |
13F
|
Company |
0.48%
|
126,971
|
$18,664,737 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.45%
|
118,689
|
$17,447,283 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.42%
|
112,508
|
$16,538,736 | — | 31 Dec 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.35%
|
93,371
|
$13,725,537 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.34%
|
89,505
|
$13,157,247 | — | 31 Dec 2025 | |
| Connor, Clark & Lunn Investment Management Ltd. |
13F
|
Company |
0.33%
|
88,608
|
$13,025,376 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.31%
|
82,557
|
$12,135,879 | — | 31 Dec 2025 | |
| GHP Investment Advisors, Inc. |
13F
|
Company |
0.3%
|
81,230
|
$11,940,743 | — | 31 Dec 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.29%
|
77,828
|
$11,440,716 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.29%
|
75,987
|
$11,170,089 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.27%
|
71,353
|
$10,488,891 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.26%
|
70,366
|
$10,343,802 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.24%
|
64,652
|
$9,503,844 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.22%
|
58,925
|
$8,661,975 | — | 31 Dec 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.22%
|
58,758
|
$8,637,426 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for PLEXUS 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Todd P. Kelsey | PLXS | Common Stock, $.01 par value | Sale | -1.83% | $336,130 | $224.09 | -1,500 | 80,291 | 15 Apr 2026 | Direct |
| Todd P. Kelsey | PLXS | Common Stock, $.01 par value | Sale | -1.8% | $291,360 | $194.24 | -1,500 | 81,791 | 18 Mar 2026 | Direct |
| Karen Marie Rapp | PLXS | Common Stock, $.01 par value | Sale | -5.53% | $97,795 | $195.59 | -500 | 8,535 | 27 Feb 2026 | Direct |
| Michael J. Running | PLXS | Common Stock, $.01 par value | Sale | -37.3% | $143,829 | $205.47 | -700 | 1,175 | 25 Feb 2026 | Direct |
| Randy J. Martinez | PLXS | Common Stock, $.01 par value | Sale | -16.1% | $203,140 | $203.14 | -1,000 | 5,201 | 25 Feb 2026 | Direct |
| Oliver K. Mihm | PLXS | Common Stock, $.01 par value | Sale | -42.7% | $1,921,557 | $201.40 | -9,541 | 12,809 | 18 Feb 2026 | Direct |
| Todd P. Kelsey | PLXS | Common Stock, $.01 par value | Sale | -5.91% | $1,024,112 | $195.78 | -5,231 | 83,291 | 18 Feb 2026 | Direct |
| Victor (pang Hau) Tan | PLXS | Common Stock, $.01 par value | Options Exercise | 17.7% | 2,022 | 13,457 | 17 Feb 2026 | Direct | ||
| Victor (pang Hau) Tan | PLXS | Performance Stock Units | Options Exercise | -100% | -2,022 | 0 | 17 Feb 2026 | Direct | ||
| Victor (pang Hau) Tan | PLXS | Performance Stock Units | Award | 42.4% | 602 | 2,022 | 17 Feb 2026 | Direct | ||
| Michael J. Running | PLXS | Common Stock, $.01 par value | Tax liability | -21.6% | -516 | 1,875 | 17 Feb 2026 | Direct | ||
| Michael J. Running | PLXS | Common Stock, $.01 par value | Options Exercise | 84.6% | 1,096 | 2,391 | 17 Feb 2026 | Direct | ||
| Michael J. Running | PLXS | Performance Stock Units | Options Exercise | -100% | -1,096 | 0 | 17 Feb 2026 | Direct | ||
| Michael J. Running | PLXS | Performance Stock Units | Award | 42.3% | 326 | 1,096 | 17 Feb 2026 | Direct | ||
| Angelo Michael Ninivaggi Jr. | PLXS | Common Stock, $.01 par value | Tax liability | -6.59% | -1,540 | 21,834 | 17 Feb 2026 | Direct | ||
| Angelo Michael Ninivaggi Jr. | PLXS | Common Stock, $.01 par value | Options Exercise | 16.3% | 3,275 | 23,374 | 17 Feb 2026 | Direct | ||
| Angelo Michael Ninivaggi Jr. | PLXS | Performance Stock Units | Options Exercise | -100% | -3,275 | 0 | 17 Feb 2026 | Direct | ||
| Angelo Michael Ninivaggi Jr. | PLXS | Performance Stock Units | Award | 42.4% | 975 | 3,275 | 17 Feb 2026 | Direct | ||
| Oliver K. Mihm | PLXS | Common Stock, $.01 par value | Sale | -9.06% | $442,495 | $198.78 | -2,226 | 22,350 | 17 Feb 2026 | Direct |
| Oliver K. Mihm | PLXS | Common Stock, $.01 par value | Tax liability | -7.69% | -2,048 | 24,576 | 17 Feb 2026 | Direct | ||
| Oliver K. Mihm | PLXS | Common Stock, $.01 par value | Options Exercise | 19.6% | 4,357 | 26,624 | 17 Feb 2026 | Direct | ||
| Oliver K. Mihm | PLXS | Performance Stock Units | Options Exercise | -100% | -4,357 | 0 | 17 Feb 2026 | Direct | ||
| Oliver K. Mihm | PLXS | Performance Stock Units | Award | 42.4% | 1,297 | 4,357 | 17 Feb 2026 | Direct | ||
| Todd P. Kelsey | PLXS | Common Stock, $.01 par value | Tax liability | -9.04% | -8,802 | 88,522 | 17 Feb 2026 | Direct | ||
| Todd P. Kelsey | PLXS | Common Stock, $.01 par value | Options Exercise | 23.8% | 18,726 | 97,324 | 17 Feb 2026 | Direct | ||
| Todd P. Kelsey | PLXS | Performance Stock Units | Options Exercise | -100% | -18,726 | 0 | 17 Feb 2026 | Direct | ||
| Todd P. Kelsey | PLXS | Performance Stock Units | Award | 42.4% | 5,576 | 18,726 | 17 Feb 2026 | Direct | ||
| Patrick John Jermain | PLXS | Common Stock, $.01 par value | Tax liability | -13.1% | -2,638 | 17,534 | 17 Feb 2026 | Direct | ||
| Patrick John Jermain | PLXS | Common Stock, $.01 par value | Options Exercise | 38.5% | 5,611 | 20,172 | 17 Feb 2026 | Direct | ||
| Patrick John Jermain | PLXS | Performance Stock Units | Options Exercise | -100% | -5,611 | 0 | 17 Feb 2026 | Direct | ||
| Patrick John Jermain | PLXS | Performance Stock Units | Award | 42.4% | 1,671 | 5,611 | 17 Feb 2026 | Direct | ||
| Patrick John Jermain | PLXS | Common Stock, $.01 par value | Sale | -13.8% | $466,806 | $201.12 | -2,321 | 14,561 | 12 Feb 2026 | Direct |
| Frank Zycinski | PLXS | Common Stock, $.01 par value | Sale | -100% | $288,184 | $205.99 | -1,399 | 0 | 12 Feb 2026 | Direct |
| Jennifer Wuamett | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Michael Schrock V | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Paul A. Rooke | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Karen Marie Rapp | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| J. Joel Quadracci | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Randy J. Martinez | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Rainer Jueckstock | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Joann M. Eisenhart | PLXS | Restricted Stock Units | Award | 1,008 | 1,008 | 09 Feb 2026 | Direct | |||
| Frank Zycinski | PLXS | Performance Stock Units | Award | 1,270 | 1,270 | 09 Feb 2026 | Direct | |||
| Frank Zycinski | PLXS | Restricted Stock Units | Award | 900 | 900 | 09 Feb 2026 | Direct | |||
| Victor (pang Hau) Tan | PLXS | Performance Stock Units | Award | 2,840 | 2,840 | 09 Feb 2026 | Direct | |||
| Victor (pang Hau) Tan | PLXS | Restricted Stock Units | Award | 2,020 | 2,020 | 09 Feb 2026 | Direct | |||
| Michael J. Running | PLXS | Performance Stock Units | Award | 1,550 | 1,550 | 09 Feb 2026 | Direct | |||
| Michael J. Running | PLXS | Restricted Stock Units | Award | 1,100 | 1,100 | 09 Feb 2026 | Direct | |||
| Angelo Michael Ninivaggi Jr. | PLXS | Performance Stock Units | Award | 3,240 | 3,240 | 09 Feb 2026 | Direct | |||
| Angelo Michael Ninivaggi Jr. | PLXS | Restricted Stock Units | Award | 2,300 | 2,300 | 09 Feb 2026 | Direct | |||
| Oliver K. Mihm | PLXS | Performance Stock Units | Award | 5,670 | 5,670 | 09 Feb 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.