1. Corporate Officers - M
2. Mell Scott A

Insider Trading History of Mell Scott A

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Mell Scott A since 2022. This trader's CIK number is 1860129. At the time of last reporting, Mell Scott A was the CFO & Treasurer of Allison Transmission Holdings Inc. (stock ticker symbol ALSN). Also see all insider trading activities at Allison Transmission Holdings Inc.

Note that in the past Mell Scott A also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Trimas Corp (TRS) by Mell Scott A

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	TRS	0	$0	2,218	$49,995	0	$0
2024	TRS	0	$0	7,000	$177,910	0	$0
2023	TRS	0	$0	3,386	$85,215	0	$0
2022	TRS	0	$0	789	$20,001	0	$0

Yearly summary of insider trading at Allison Transmission Holdings Inc (ALSN) by Mell Scott A

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2026	ALSN	0	$0	0	$0	2,865	$0

Insider trading activities at 2 companies by Mell Scott A:

1. Trimas Corp (TRS)

2. Allison Transmission Holdings Inc (ALSN)

Table 1. Insider trading of Trimas Corp (TRS) by Mell Scott A

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-03-06	TRS	Sale	2,218	22.54	49,995
2024-11-19	TRS	Sale	2,000	25.94	51,880
2024-05-21	TRS	Sale	1,500	27.30	40,942
2024-03-05	TRS	Sale	3,500	24.31	85,088
2023-10-31	TRS	Sale	1,036	24.16	25,034
2023-08-03	TRS	Sale	1,200	25.80	30,960
2023-05-12	TRS	Sale	1,150	25.41	29,221
2022-11-09	TRS	Sale	789	25.35	20,001

Table 2. Insider trading of Allison Transmission Holdings Inc (ALSN) by Mell Scott A

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2026-04-14	ALSN	Option Ex	2,865	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Mell Scott A (CFO & Treasurer of Allison Transmission Holdings Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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