Stuart K. Mclachlan - 10 Sep 2026 Form 4 Insider Report for MOOG INC. (MOG-A)

Reporting relationship: Vice President
Issuer ticker: MOG-A
Reported as of: 10 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Sep 2026, 12:47:26 UTC
Prior SEC filing: 28 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Eric Moss, as Power of Attorney for Stuart K. Mclachlan

Filing notes and source

Key filing fact

Stuart K. Mclachlan filed Form 4 for MOOG INC. (MOG-A) on 14 Sep 2026.

Key facts

This page summarizes Stuart K. Mclachlan's Form 4 filing for MOOG INC. (MOG-A).
3 reported transactions and 7 derivative rows are listed below.
Accepted by SEC: 14 Sep 2026, 12:47.

Change

Previous filing in this sequence was filed on 28 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001898483 Primary reporting owner

Mclachlan Stuart

Relationship: Vice President
Address: SENECA ST & JAMISON RD, EAST AURORA
Signature: /s/ Eric Moss, as Power of Attorney for Stuart K. Mclachlan
Signature date: 14 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MOG-A transaction

Class B Common

Options Exercise

Transaction value
Shares: +2,000
Change %: +33%
Price: $71.65^*
Shares after: 7,983
Date: 10 Sep 2026
Ownership: Direct

MOG-A transaction

Class B Common

Tax liability

Transaction value
Shares: -1,146
Change %: -14%
Price: $370.11^*
Shares after: 6,837
Date: 10 Sep 2026
Ownership: Direct
Footnotes: F1

MOG-A holding

Class A Common

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,451
Date: 10 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MOG-A transaction Derivative

SAR

Options Exercise

Transaction value
Shares: -2,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 2,000
Exercise price: $71.65
Footnotes: F2, F3

MOG-A holding Derivative

SAR

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,611
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 1,611
Exercise price: $82.31
Footnotes: F2, F3

MOG-A holding Derivative

SAR

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,741
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 1,741
Exercise price: $80.19
Footnotes: F2, F3

MOG-A holding Derivative

SAR

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,736
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 1,736
Exercise price: $85.95
Footnotes: F2, F3

MOG-A holding Derivative

SAR

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,089
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 1,089
Exercise price: $73.39
Footnotes: F2, F3

MOG-A holding Derivative

SAR

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,737
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 3,737
Exercise price: $83.00
Footnotes: F2, F3

MOG-A holding Derivative

RSU

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 766
Date: 10 Sep 2026
Ownership: Direct
Underlying class: Class B Common
Underlying amount: 766
Exercise price
Footnotes: F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

This represents the difference between the number of SARs exercised (2,000) and the number of shares issued as a result of the exercise (854). The number of shares to be issued under a SAR exercise is determined by multiplying the number of SARs being exercised by the difference between the FMV on the date of exercise ($370.11) and the exercise price ($71.648). Additional shares are then withheld to satisfy the Company's tax withholding obligations.

Footnote F2

Stock Appreciation Rights (SAR) granted under the Moog Inc. 2014 Long Term Incentive Plan.

Footnote F3

SARs become exercisable ratably over three years beginning on the first anniversary from the date of grant.

Footnote F4

Restricted Stock Units (RSU) granted under the Moog Inc. 2025 Long Term Incentive Plan. 33.33% of the total RSUs granted will each vest on November 15, 2026; November 15, 2027; and November 15, 2028.

Footnote F5

Each restricted stock unit (RSU) represents a contingent right to receive one share of Moog Inc.'s Class B common stock.