DUCOMMUN INC /DE/ — Director's Dealing 2017

Feb 28, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DUCOMMUN INC /DE/ (DCO)
CIK: 0000030305
Period of Report: 2017-02-23

Reporting Person: REARDON ANTHONY J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-23	Common Stock	M	11000	$24.90	Acquired	128924	Direct
2017-02-23	Common Stock	M	5500	$25.51	Acquired	134424	Direct
2017-02-23	Common Stock	M	28125	$22.84	Acquired	162549	Direct
2017-02-23	Common Stock	F	39067	$31.40	Disposed	123482	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-23	Option - Right to Buy	$24.90	M	11000	Disposed	2021-03-17	Common Stock (11000)	Direct
2017-02-23	Option - Right to Buy	$25.51	M	5500	Disposed	2022-03-29	Common Stock (5500)	Direct
2017-02-23	Option - Right to Buy	$22.84	M	28125	Disposed	2020-07-30	Common Stock (28125)	Direct

Footnotes

F1: The option represents the right to purchase common stock granted under the Ducommun Incorporated Employee Stock Option Plans, which are Rule 16b-3plans.

F2: The option vested or will vest as to 5,500 shares on each of March 18, 2015, 2016, 2017 and 2018.

F3: The option vested or will vest as to 5,500 shares on each of March 30, 2016, 2017, 2018, and 2019.

F4: The option vested or will vest as to 9,250 shares on each of July 31, 2014, 2015, 2016 and 2017.