Plexus Corp. (PLXS) Insider Trading
Over the last 3 months, PLXS insiders made 0 open-market buys and 15 sales, a net sale of -$4.5M (SEC Form 4). Over the last 6 months, 238 institutions increased and 255 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
15
Net (3m)
-$4.5M
Insider trades by month Buys Sells
Dec
Feb
Mar
Apr
May
Jun
Context3-month price +45.2%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 4, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,000 | $290.00 |
| May 29, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,000 | $274.75 |
| May 22, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 700 | $252.20 |
| May 22, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 800 | $253.26 |
| May 13, 2026 | Tan Victor (Pang Hau)officer: Regional President - APAC | Sell | 3,000 | $271.23 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 945 | $263.66 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 1,562 | $265.18 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 59 | $264.38 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 1,484 | $264.11 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 224 | $266.01 |
| May 11, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Sell | 1,294 | $262.43 |
| May 6, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,000 | $265.15 |
| May 6, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,403 | $263.00 |
| Apr 16, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,500 | $224.09 |
| Mar 19, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,500 | $194.24 |
| Mar 2, 2026 | Rapp Karen Mariedirector | Sell | 500 | $195.59 |
| Feb 27, 2026 | Running Michael J.officer: Regional President - AMER | Sell | 700 | $205.47 |
| Feb 27, 2026 | MARTINEZ RANDY Jdirector | Sell | 1,000 | $203.14 |
| Feb 19, 2026 | Running Michael J.officer: Regional President - AMER | Tax | 516 | $195.95 |
| Feb 19, 2026 | Mihm Oliver K.officer: Exec VP & COO | Grant | 1,297 | — |
| Feb 19, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,126 | $195.59 |
| Feb 19, 2026 | Tan Victor (Pang Hau)officer: Regional President - APAC | Option | 2,022 | — |
| Feb 19, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 2,950 | $196.36 |
| Feb 19, 2026 | Mihm Oliver K.officer: Exec VP & COO | Sell | 9,541 | $201.40 |
| Feb 19, 2026 | Kelsey Todd P.director, officer: President & CEO | Sell | 1,155 | $194.47 |
| Feb 19, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Grant | 975 | — |
| Feb 19, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Tax | 1,540 | $195.95 |
| Feb 19, 2026 | Ninivaggi Angelo Michael Jrofficer: EVP, Chief Legal & PAO & Secy | Option | 3,275 | — |
| Feb 19, 2026 | Mihm Oliver K.officer: Exec VP & COO | Sell | 2,226 | $198.78 |
| Feb 19, 2026 | Kelsey Todd P.director, officer: President & CEO | Option | 18,726 | — |
Source: PLXS SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PLXS positions over the last 6 months (SEC Form 13F).
Increased
238
New positions
125
Reduced
255
Sold out
61
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 4.3M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 4.3M | May 13, 2026 |
| VANGUARD GROUP INC | Reduced | 3.6M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.3M | May 8, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Increased | 1.6M | Feb 17, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 1.6M | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 1.6M | Feb 13, 2026 |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | 1.5M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.4M | Feb 12, 2026 |
| FIDUCIARY MANAGEMENT INC /WI/ | Reduced | 1.3M | Feb 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.2M | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.1M | May 7, 2026 |
| STATE STREET CORP | Increased | 1.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.0M | Feb 13, 2026 |
| BNP PARIBAS ASSET MANAGEMENT HOLDING S.A. | Increased | 1.0M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.