Ryan A. Milburn - Aug 6, 2021 Form 3 Insider Report for Allison Transmission Holdings Inc (ALSN)

Role: VP, Product Engineering
Signature: Jacalyn C. Bolles, Attorney-in-Fact (power of attorney filed herewith)
Stock symbol: ALSN
Transactions as of: Aug 6, 2021
Transactions value $: $0
Form type: 3
Date filed: 8/13/2021, 04:48 PM
Next filing: Aug 31, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ALSN	Common Stock						12K	Aug 6, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	4.44K	$23.59	Direct	F2
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	3.24K	$37.11	Direct	F3
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	4.46K	$43.30	Direct	F4
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	4.13K	$49.60	Direct	F5
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	5.39K	$43.24	Direct	F6
holding	ALSN	Employee Stock Option (right to buy)							Aug 6, 2021	Common Stock	6.69K	$43.13	Direct	F7
holding	ALSN	Restricted Stock Units							Aug 6, 2021	Common Stock	1.13K		Direct	F8, F9
holding	ALSN	Restricted Stock Units							Aug 6, 2021	Common Stock	1.8K		Direct	F9, F10
holding	ALSN	Restricted Stock Units							Aug 6, 2021	Common Stock	2.23K		Direct	F9, F11
holding	ALSN	Dividend Equivalent Rights							Aug 6, 2021	Common Stock	112		Direct	F12

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person previously filed a Form 3 Initial Statement of Beneficial Ownership on March 14, 2012 as the Vice President and Chief Information Officer of Allison Transmission Holdings, Inc. ("ALSN"). On July 1, 2012, the reporting person moved to a role that did not meet the definition of officer for purposes of Section 16 of the Securities Exchange Act of 1934 ("Section 16") and therefore ceased having Section 16 reporting obligations. On August 6, 2021, the reporting person assumed certain responsibilities of ALSN's retiring Senior Vice President, Product Engineering and Planning which resulted in the reporting person once again meeting the definition of officer for purposes of Section 16 and resumed reporting obligations under Section 16.
F2	The option vested on February 17, 2019.
F3	The option vested on February 22, 2020.
F4	The option vested on February 7, 2021.
F5	The option vests on February 20, 2022.
F6	The option vests on February 25, 2023.
F7	The option vests in three equal annual installments beginning on February 10, 2022.
F8	The restricted stock units ("RSUs") vest on February 20, 2022.
F9	Each RSU represents a contingent right to receive one share of ALSN common stock ("Common Stock"). RSUs earn dividend equivalents when dividends are declared on the Common Stock.
F10	The RSUs vest on February 25, 2023.
F11	The RSUs vest in three equal annual installments beginning on February 10, 2022.
F12	The dividend equivalent rights vest proportionately with the RSUs to which they related. Each dividend equivalent right is the economic equivalent of one share of Common Stock.