Armata Pharmaceuticals, Inc. (ARMP) Insider Ownership

Historic Ownership Trends

There are no significant Insider Shareholders in Armata Pharmaceuticals as of December 12, 2025.

The shareholding composition of Armata Pharmaceuticals (ARMP) reflects broad market participation, with institutional funds owning 2.09%, executive insider stakes representing 82.79% and others accounting for 15.12%.
Insider stakeholders control 82.79% of Armata Pharmaceuticals's total share count as of December 12, 2025, holding approximately 29.99Mn shares against 36.23Mn outstanding shares.
Insider ownership levels at Armata Pharmaceuticals decreased 0.83% across the 90-day window ending December 12, 2025, reflecting insider holdings that declining from 30.25Mn shares to 29.99Mn shares.
There were no significant insider purchasers for Armata Pharmaceuticals in the last 90 days.
Armata Pharmaceuticals had no significant insider sales in the last 90 days.

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.

Holder	Position	Shares	Report Date
Inc. Innoviva,		16,365,969	01 Apr, 2022
Deborah Birx	Chief Executive Officer	217,377	14 Jul, 2025
Pierre Kyme	Chief Business Officer	10,491	25 Apr, 2025
Richard Rychlik	Corporate Controller And Pfo	10,000	18 Mar, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.

Rows:

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Transaction Date	Insider Name	Security Class	Transaction Type	Shares Traded	Price	Shares Remaining	Ownership	Code
10 Jul, 2025	Deborah Birx	Common Stock	D	13,637	$2.27	217,377	D	F
14 Mar, 2025	Pierre Kyme	Common Stock	D	1,027	$1.95	10,491	D	F
14 Mar, 2025	Pierre Kyme			-	-	10,491	D
14 Mar, 2024	Richard Rychlik			-	-	10,000	D
14 Mar, 2024	Deborah Birx	Common Stock	A	60,000	$0.00	260,000	D	A
14 Mar, 2024	Richard Rychlik	Common Stock	A	10,000	$0.00	10,000	D	A
21 Dec, 2023	Deborah Birx	Common Stock	A	200,000	$0.00	200,000	D	A
31 Mar, 2022	Inc. Innoviva,	Common Stock	A	5,385,208	$5.00	16,365,969	I	P
09 Feb, 2022	Inc. Innoviva,	Common Stock	A	3,614,792	$5.00	10,980,761	I	P
09 Feb, 2022	Inc. Innoviva,			-	-	10,980,761	I
29 Oct, 2021	Inc. Innoviva,	Common Stock	A	1,212,122	$3.30	7,365,969	I	P
17 Mar, 2021	Inc. Innoviva,	Common Stock	A	4,285,935	$3.25	6,153,847	I	P
26 Jan, 2021	Inc. Innoviva,	Common Stock	A	1,867,912	$3.25	1,867,912	I	P
27 Mar, 2020	Inc. Innoviva,			-	-	8,710,800	D
27 Mar, 2020	Inc. Innoviva,	Common Stock	A	7,717,661	$2.87	8,710,800	D	P
08 Dec, 2017	Paul C Grint	Common Stock	A	599	$0.62	43	D	A
08 Dec, 2017	Paul C Grint			-	-	43	D
27 Dec, 2016	Randal J Kirk	Common Stock	D	26,308	$0.51	409	I	S
27 Dec, 2016	Randal J Kirk			-	-	409	I
28 Dec, 2016	Randal J Kirk	Common Stock	D	44,170	$0.47	387	I	S

Showing 1 to 20 of 82 transactions

Armata Pharmaceuticals, Inc. (ARMP) Insider Ownership

Historic Ownership Trends

Top Direct Holders

Recent Insider Transactions

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