TER: MADDOCK ERNEST E discloses securities transactions

By AlphaYouPublished Sep 28, 2026Form 4

Stocks in this disclosure

Reported activity

MADDOCK ERNEST E

Reporting filer

MADDOCK ERNEST E reported Other (see filing) in TERADYNE, INC: 2 units of Common Stock, dated 2026-09-25. The full Form 4 contains 1 transaction entry.

Disclosed: Sep 28, 2026

Reported details

1 entry

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Common Stock	MADDOCK ERNEST E	2026-09-25	J	Other (see filing)	2	0	10,269	3 days	Filed terms security Title: Common Stock transaction Date: 2026-09-25 deemed Execution Date: transaction Form Type: 4 transaction Code: J equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 2 id: F1 transaction Price Per Share: 0 id: F1 transaction Acquired Disposed Code: A shares Owned Following Transaction: 10269 direct Or Indirect Ownership: D

Common Stock

Owner: MADDOCK ERNEST E
Date: 2026-09-25
Code: J
Action: Other (see filing)
Quantity: 2
Price: 0
Following holdings: 10,269
Reporting delay: 3 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-25
deemed Execution Date:
transaction Form Type: 4
transaction Code: J
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 2
id: F1
transaction Price Per Share: 0
id: F1
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 10269
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
MADDOCK ERNEST E: Director.
F1: Represents deferred stock units ("DSUs") issued to the Reporting Person in accordance with his election to receive dividends paid on DSUs in the form of additional DSUs in lieu of cash. Such acquisition is exempt under Exchange Act Rule l 6b-3(d). DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Common Stock

MADDOCK ERNEST E

2026-09-25

Other (see filing)

10,269

3 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-25
deemed Execution Date:
transaction Form Type: 4
transaction Code: J
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 2
id: F1
transaction Price Per Share: 0
id: F1
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 10269
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

MADDOCK ERNEST E: Director.

F1: Represents deferred stock units ("DSUs") issued to the Reporting Person in accordance with his election to receive dividends paid on DSUs in the form of additional DSUs in lieu of cash. Such acquisition is exempt under Exchange Act Rule l 6b-3(d). DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.