Mihm Oliver K.

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · nonDerivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,809

F3 · price: This transaction was executed in multiple trades at prices ranging from $201.40 to $201.41 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · derivative · entry 7

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 4,357 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · derivative · entry 6

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,357

Underlying: Common Stock, $.01 par value · 1,297 shares

Expires not disclosed

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · nonDerivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,350

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,576

SEC source: 0001600424-26-000004 · wk-form4_1771539863.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,624

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001600424-26-000003 · wk-form4_1770848849.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,670

Underlying: Common Stock, $.01 par value · 5,670 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 1,640 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 1,640 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.exercise_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 1,640 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.expiration_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 1,640 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

SEC source: 0001600424-26-000003 · wk-form4_1770848849.xml · derivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,030

Underlying: Common Stock, $.01 par value · 4,030 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 9, 2029.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 9, 2029.

F2 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 9, 2029.

F2 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 9, 2029.

SEC source: 0001600424-26-000002 · wk-form4_1770158442.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 7,280 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

F2 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

F2 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

SEC source: 0001600424-26-000002 · wk-form4_1770158442.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,267

SEC source: 0001600424-26-000002 · wk-form4_1770158442.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,722

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

SEC source: 0001600424-25-000007 · wk-form4_1764366492.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,442

SEC source: 0001600424-25-000006 · wk-form4_1763158252.xml · derivative · entry 6

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,060

Underlying: Common Stock, $.01 par value · 5,023 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001600424-25-000006 · wk-form4_1763158252.xml · derivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,083

Underlying: Common Stock, $.01 par value · 1,383 shares

Expires not disclosed

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001600424-25-000006 · wk-form4_1763158252.xml · nonDerivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,769

F3 · price: Shares of Plexus Corp. common stock were given as a bona fide gift.

SEC source: 0001600424-25-000006 · wk-form4_1763158252.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,869

SEC source: 0001600424-25-000006 · wk-form4_1763158252.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,230

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001600424-25-000005 · wk-form4_1762982696.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,207

F2 · price: This transaction was executed in multiple trades at prices ranging from $145.99 to $146.25 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001600424-25-000004 · wk-form4_1755638151.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,955

F2 · price: Shares of Plexus Corp. common stock were given as a bona fide gift.

SEC source: 0001600424-25-000004 · wk-form4_1755638151.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,155

SEC source: 0001628280-25-005420 · wk-form4_1739481092.xml · derivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 4,200 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-25-005420 · wk-form4_1739481092.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,200

Underlying: Common Stock, $.01 par value · 1,400 shares

Expires not disclosed

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-25-005420 · wk-form4_1739481092.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,257

SEC source: 0001628280-25-005420 · wk-form4_1739481092.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,231

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Based on Company performance during the three-year performance period, 150% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-25-004102 · wk-form4_1738793282.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,670

Underlying: Common Stock, $.01 par value · 6,670 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,340 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,340 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.exercise_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,340 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.expiration_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,340 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

SEC source: 0001628280-25-004102 · wk-form4_1738793282.xml · derivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,670

Underlying: Common Stock, $.01 par value · 6,670 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 3, 2028.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 3, 2028.

F2 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 3, 2028.

F2 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on February 3, 2028.

SEC source: 0001628280-25-003375 · wk-form4_1738369587.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 6,580 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 31, 2025.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 31, 2025.

F2 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 31, 2025.

F2 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 31, 2025.

SEC source: 0001628280-25-003375 · wk-form4_1738369587.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,031

SEC source: 0001628280-25-003375 · wk-form4_1738369587.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,168

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 31, 2025.

SEC source: 0001628280-24-048129 · wk-form4_1731707725.xml · derivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,800

Underlying: Common Stock, $.01 par value · 3,898 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001628280-24-048129 · wk-form4_1731707725.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,698

Underlying: Common Stock, $.01 par value · 608 shares

Expires not disclosed

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001628280-24-048129 · wk-form4_1731707725.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,588

SEC source: 0001628280-24-048129 · wk-form4_1731707725.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,159

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Based on Company performance during the three-year performance period, 118.5% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2022 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001628280-24-046741 · wk-form4_1731104372.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,261

F3 · price: This transaction was executed in multiple trades at prices ranging from $165.598 to $165.612 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-24-046741 · wk-form4_1731104372.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,585

F2 · price: This transaction was executed in multiple trades at prices ranging from $167.0653 to $167.05 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-24-020323 · wk-form4_1714768249.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,276

F2 · price: Shares of Plexus Corp. common stock were given as a bona fide gift.

SEC source: 0001628280-24-007640 · wk-form4_1709157662.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,601

F2 · price: Shares of Plexus Corp. common stock were given as a bona fide gift.

SEC source: 0001628280-24-005109 · wk-form4_1708034986.xml · derivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 2,571 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-24-005109 · wk-form4_1708034986.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,571

Underlying: Common Stock, $.01 par value · 351 shares

Expires not disclosed

F2 · derivative.exercise_price: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · price: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.exercise_date: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

F2 · derivative.expiration_date: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-24-005109 · wk-form4_1708034986.xml · nonDerivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,826

SEC source: 0001628280-24-005109 · wk-form4_1708034986.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,649

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Based on Company performance during the three-year performance period, 115.8% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

SEC source: 0001628280-24-003316 · wk-form4_1707168163.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Indirect · 401(k)

Disclosed balance after: 981

F1 · ownership.nature: Shares of Plexus Corp. common stock held in the Plexus Corp. 401(k) Savings Plan as of the date of the transaction.

SEC source: 0001628280-24-002456 · wk-form4_1706564693.xml · derivative · entry 5

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,330

Underlying: Common Stock, $.01 par value · 7,330 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,430 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · price: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,430 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.exercise_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,430 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

F3 · derivative.expiration_date: Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. Vesting of 3,430 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

SEC source: 0001628280-24-002456 · wk-form4_1706564693.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,810

Underlying: Common Stock, $.01 par value · 7,810 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on January 29, 2027.

F2 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on January 29, 2027.

F2 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on January 29, 2027.

F2 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vest on January 29, 2027.

SEC source: 0001628280-24-002456 · wk-form4_1706564693.xml · derivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, $.01 par value · 5,170 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 25, 2024.

F1 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 25, 2024.

F1 · derivative.exercise_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 25, 2024.

F1 · derivative.expiration_date: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 25, 2024.

SEC source: 0001628280-24-002456 · wk-form4_1706564693.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,078

SEC source: 0001628280-24-002456 · wk-form4_1706564693.xml · nonDerivative · entry 1

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,798

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 25, 2024.

SEC source: 0001628280-23-039483 · wk-form4_1700256286.xml · derivative · entry 4

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,220

Underlying: Common Stock, $.01 par value · 3,967 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · price: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · derivative.exercise_date: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · derivative.expiration_date: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001628280-23-039483 · wk-form4_1700256286.xml · derivative · entry 3

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,187

Underlying: Common Stock, $.01 par value · 1,377 shares

Expires not disclosed

F1 · derivative.exercise_price: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · price: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · derivative.exercise_date: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

F1 · derivative.expiration_date: Based on Company performance during the three-year performance period, 153.2% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2021 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

SEC source: 0001628280-23-039483 · wk-form4_1700256286.xml · nonDerivative · entry 2

Mihm Oliver K. · CIK 0001600424 · Exec VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,628