$ARMP

$3.49 +$0.04 (1.16%) Close

$ARMP Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 37.2M shares outstanding

Who owns ARMP?

By type of holder

Institutions 13.4% Insiders 0.0% Everyone else 86.6%

Concentration Top 10 holders own 161.0%

Innoviva, Inc. 149.2% · Madison Asset Management, LLC 5.7%

Institutional ownership

13.4%

+2.8 pts vs last qtr

Institutional holders

+8 vs last qtr

Net shares bought

+1.1M

by institutions in Q2 2026

New / sold out

19 / 11

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +494.9K
Millennium Management LLC +212.5K

Biggest sellers in Q2 2026

683 Capital Management, LLC SOLD OUT −137.0K
Sei Investments Co SOLD OUT −74.2K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Armata Pharmaceuticals, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2020–FY2025

+120.8%

+17.16% a year

Each share's claim on the business

−54.7%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $15.9M

over 6 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years35% 3–5 years2% 1–3 years4% Under 1 year59%

Quarterly turnover

25.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ARMP on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
MA Madison Asset Management, LLC	2.1M	5.67%	−500 (−0.0%)	Q1 '26	0.2%
Shares held by quarter Peak holding2.1M (Q1'26) Change over 8 quarters+2.1M Share of the company5.670% Madison Asset Management, LLC's full portfolio →
B BlackRock, Inc.	560.0K	1.51%	+494.9K (+760.9%)	≤2021	0.0%
Shares held by quarter Peak holding560.0K (Q2'26) Change over 8 quarters+536.2K Share of the company1.510% BlackRock, Inc.'s full portfolio →

Madison Asset Management, LLC

2.1M

% of company

5.67%

Change vs last qtr

−500 (−0.0%)

Held since

Q1 '26

BlackRock, Inc.

560.0K

% of company

1.51%

Change vs last qtr

+494.9K (+760.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Armata Pharmaceuticals, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ARMP on Form N-PORT; together they hold 3.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.27M	349.6K	0.94%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$1.28M	197.1K	0.53%	0.00%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.27M

% of company

0.94%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$1.28M

% of company

0.53%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Armata Pharmaceuticals, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
I Innoviva, Inc. 5%+ holder 13D · 82.7%	55.5M	149.18%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company149.180% Disclosed stake13D · 82.7% View the 13D/G filing →
KP Kyme Pierre Insider	9.6K	0.03%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.030% Kyme Pierre's insider activity →

Innoviva, Inc.

5%+ holder13D · 82.7%

55.5M

% of company

149.18%

Change vs last qtr

—

Held since

—

Kyme Pierre

Insider

9.6K

% of company

0.03%

Change vs last qtr

—

Held since

—

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