ARMPNYSEBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
Armata Pharmaceuticals, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 12, 2026
$3.07−0.30 (-8.90%)
Close on Oct 19, 2026
- Market cap
- $190.47M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
13.4%
5M of 37M shares
Institutional holders
53
19 new, 11 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Innoviva, Inc. | 55,467,459 | 82.70% | 13D (active) amendment | May 12, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ARMP | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Madison Asset Management, LLC | 2,107,175 | 5.67% | $13.65M | −500 | 0.16% |
| BlackRock, Inc. | 559,986 | 1.51% | $3.63M | +494,936 | 0.00% |
| Vanguard Capital Management LLC | 487,968 | 1.31% | $3.16M | +121,940 | 0.00% |
| Millennium Management LLC | 470,500 | 1.27% | $3.05M | +212,508 | 0.00% |
| Geode Capital Management, LLC | 270,550 | 0.73% | $1.75M | +155,995 | 0.00% |
| Dauntless Investment Group, LLC | 203,891 | 0.55% | $1.32M | +113,311 | 1.04% |
| State Street Corp | 129,600 | 0.35% | $839.81K | +78,800 | 0.00% |
| Northern Trust Corp | 89,791 | 0.24% | $581.85K | +65,145 | 0.00% |
| Vanguard Portfolio Management LLC | 81,354 | 0.22% | $527.17K | New | 0.00% |
| Edgewood Management LLC | 80,000 | 0.22% | $518.40K | −20,000 | 0.01% |
| Vanguard Fiduciary Trust Co | 79,495 | 0.21% | $515.13K | +11,631 | 0.00% |
| GSB Wealth Management, LLC | 50,000 | 0.13% | $324.00K | +20,000 | 0.07% |
| Renaissance Technologies LLC | 48,318 | 0.13% | $313.10K | +9,822 | 0.00% |
| Bridgeway Capital Management, LLC | 44,682 | 0.12% | $289.54K | – | 0.01% |
| SeaCrest Wealth Management, LLC | 41,524 | 0.11% | $269.08K | – | 0.03% |
| Bank of New York Mellon Corp | 29,749 | 0.08% | $192.77K | New | 0.00% |
| Charles Schwab Investment Management Inc | 28,857 | 0.08% | $186.99K | New | 0.00% |
| Hudson Bay Capital Management LP | 17,584 | 0.05% | $113.94K | – | 0.00% |
| Nuveen, LLC | 15,905 | 0.04% | $103.06K | New | 0.00% |
| New York State Common Retirement Fund | 15,400 | 0.04% | $99.79K | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 53 | 5M | 13.4% | 19 / 17 | 3 / 11 | 2M | 0M |
| Q1 2026 | 45 | 4M | 10.6% | 13 / 11 | 4 / 3 | 3M | 0M |
| Q4 2025 | 36 | 1M | 3.4% | 12 / 11 | 1 / 4 | 0M | 0M |
| Q3 2025 | 28 | 1M | 2.0% | 2 / 5 | 3 / 3 | 0M | 0M |
| Q2 2025 | 29 | 1M | 2.0% | 5 / 5 | 4 / 2 | 0M | 0M |
| Q1 2025 | 26 | 1M | 2.0% | 2 / 2 | 9 / 0 | 0M | 1M |
| Q4 2024 | 24 | 1M | 3.7% | 2 / 4 | 7 / 2 | 0M | 0M |
| Q3 2024 | 24 | 1M | 3.7% | 4 / 5 | 6 / 2 | 0M | 0M |
| Q2 2024 | 23 | 1M | 3.8% | 0 / 6 | 11 / 1 | 0M | 0M |
| Q1 2024 | 24 | 1M | 3.8% | 2 / 7 | 8 / 3 | 0M | 0M |
| Q4 2023 | 25 | 1M | 3.5% | 3 / 6 | 5 / 1 | 0M | 0M |
| Q3 2023 | 23 | 1M | 3.4% | 4 / 5 | 3 / 3 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of ARMP | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 349,598 | 0.94% | $2.27M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 197,072 | 0.53% | $1.28M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 128,856 | 0.35% | $585.01K | 0.00% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 125,873 | 0.34% | $815.66K | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 111,368 | 0.30% | $721.66K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 56,701 | 0.15% | $463.25K | 0.00% | May 31, 2026 |
| Ultra-Small Company Market Fund | 41,382 | 0.11% | $268.16K | 0.18% | Jun 30, 2026 |
| iShares Micro-Cap ETF | 39,743 | 0.11% | $257.53K | 0.02% | Jun 30, 2026 |
| Schwab Small-Cap Index Fund | 28,857 | 0.08% | $131.01K | 0.00% | Jul 31, 2026 |
| Master Small Cap Index Series | 22,168 | 0.06% | $143.65K | 0.00% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 17,296 | 0.05% | $141.31K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 16,271 | 0.04% | $132.93K | 0.00% | May 31, 2026 |
| Nuveen Small Cap Blend Index Fund | 15,905 | 0.04% | $72.21K | 0.00% | Jul 31, 2026 |
| Fidelity Small Cap Growth Index Fund | 11,252 | 0.03% | $72.91K | 0.00% | Jun 30, 2026 |
| EQ/2000 Managed Volatility Portfolio | 11,164 | 0.03% | $72.34K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Deborah Birx | Chief Executive Officer, Director | 198,417 | 0.53% | Jul 14, 2026 |
| Pierre Kyme | Chief Business Officer | 9,461 | 0.03% | Mar 17, 2026 |
| David Duane House | SVP, Finance, and PFO | – | – | Mar 11, 2026 |
| Daniel B. Gilmer | Director | – | – | Apr 28, 2026 |
| Jules Haimovitz | Director | – | – | Mar 11, 2026 |
| Sarah J. Schlesinger | Director | – | – | Mar 11, 2026 |
| Todd C. Peterson | Director | – | – | Mar 11, 2026 |
| Robin Kramer | Director | – | – | Mar 11, 2026 |
| Joseph M. Patti | Director | – | – | Mar 11, 2026 |
| Kostas D. Odysseas | Director | – | – | Mar 11, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Deborah Birx Chief Executive Officer, Director | Jul 10, 2026 | Tax withholding | −14,041 | $4.26 | $59.81K | 198,417 |
| Deborah Birx Chief Executive Officer, Director | Mar 14, 2026 | Tax withholding | −4,919 | $10.54 | $51.85K | 212,458 |
| Pierre Kyme Chief Business Officer | Mar 14, 2026 | Tax withholding | −1,030 | $10.54 | $10.86K | 9,461 |
| Deborah Birx Chief Executive Officer, Director | Jul 10, 2025 | Tax withholding | −13,637 | $2.27 | $30.96K | 217,377 |
| Deborah Birx Chief Executive Officer, Director | Mar 14, 2025 | Tax withholding | −6,061 | $1.95 | $11.82K | 231,014 |
| Pierre Kyme Chief Business Officer | Mar 14, 2025 | Tax withholding | −1,027 | $1.95 | $2.00K | 10,491 |
| Deborah Birx Chief Executive Officer, Director | Jul 10, 2024 | Tax withholding | −22,925 | $2.68 | $61.44K | 237,075 |
| Richard Rychlik Corporate Controller and PFO | Mar 14, 2024 | Award | +10,000 | – | – | 10,000 |
| Deborah Birx Chief Executive Officer, Director | Mar 14, 2024 | Award | +60,000 | – | – | 260,000 |
| Deborah Birx Chief Executive Officer, Director | Dec 21, 2023 | Award | +200,000 | – | – | 200,000 |
| Innoviva, Inc. Director, 10% owner | Mar 31, 2022 | Buy | +5,385,208 | $5.00 | $26.93M | 16,365,969 |
| Strategic Opportunities LLC Innoviva Director, 10% owner | Feb 9, 2022 | Buy | +3,614,792 | $5.00 | $18.07M | 10,980,761 |
| Strategic Opportunities LLC Innoviva Director, 10% owner | Oct 29, 2021 | Buy | +1,212,122 | $3.30 | $4.00M | 7,365,969 |
| Innoviva, Inc. Director, 10% owner | Mar 17, 2021 | Buy | +4,285,935 | $3.25 | $13.93M | 6,153,847 |
| Strategic Opportunities LLC Innoviva Director, 10% owner | Jan 26, 2021 | Buy | +1,867,912 | $3.25 | $6.07M | 1,867,912 |
| Innoviva, Inc. 10% owner | Mar 27, 2020 | Buy | +7,717,661 | $2.87 | $22.15M | 8,710,800 |
| Michael S. Perry Director | Mar 22, 2018 | Buy | +181,820 | $1.10 | $200.00K | 411,105 |
| Jeremy Curnock Cook Director | Mar 22, 2018 | Buy | +181,820 | $1.10 | $200.00K | 411,105 |
| Paul C. Grint Chief Executive Officer, Director | Dec 8, 2017 | Award | +599 | $0.62 | $371 | 599 |
| Michael S. Perry Director | Sep 19, 2017 | Buy | +105,015 | – | – | 229,285 |
| Jeremy Curnock Cook Director | Sep 19, 2017 | Buy | +105,015 | – | – | 229,285 |
| Michael S. Perry Director | Jun 29, 2017 | Buy | +5,757 | – | – | 124,270 |
| Jeremy Curnock Cook Director | Jun 29, 2017 | Buy | +5,757 | – | – | 124,270 |
| Randal J. Kirk 10% owner | Dec 29, 2016 | Sale | −20,077 | $0.45 | $9.03K | 674,169 |
| Randal J. Kirk 10% owner | Dec 29, 2016 | Sale | −21,923 | $0.45 | $9.87K | 736,170 |
| Randal J. Kirk 10% owner | Dec 28, 2016 | Sale | −44,170 | $0.47 | $20.76K | 758,093 |
| Randal J. Kirk 10% owner | Dec 28, 2016 | Sale | −40,450 | $0.47 | $19.01K | 694,246 |
| Randal J. Kirk 10% owner | Dec 27, 2016 | Sale | −26,308 | $0.51 | $13.42K | 802,263 |
| Randal J. Kirk 10% owner | Dec 27, 2016 | Sale | −24,092 | $0.51 | $12.29K | 734,696 |
| Michael Scott Salka Chief Executive Officer, Director | Dec 9, 2016 | Award | +7,000 | $0.39 | $2.73K | 11,200 |
| Steven Robert Martin Chief Financial Officer | Dec 9, 2016 | Award | +3,760 | $0.39 | $1.47K | 3,760 |
| Jeremy Curnock Cook Director | Nov 22, 2016 | Buy | +46,666 | $7.40 | $345.33K | 118,513 |
| Randal J. Kirk 10% owner | Nov 12, 2016 | Conversion | +428,571 | – | – | 828,571 |
| Jeremy Curnock Cook Director | Jun 21, 2016 | Buy | +15,057 | – | – | 71,847 |
| Jeremy Curnock Cook Director | Apr 8, 2016 | Buy | +171,298 | – | – | 567,903 |
| Jeremy Curnock Cook Director | Apr 8, 2016 | Conversion | +208,150 | – | – | 396,605 |
| Louis Drapeau Director | Oct 6, 2015 | Buy | +10,000 | $4.39 | $43.90K | 10,000 |
| Wendy S. Johnson Interim Chief Operating Office, Director | Oct 5, 2015 | Buy | +1,000 | $4.43 | $4.43K | 1,000 |
| Michael Scott Salka Chief Executive Officer, Director | Oct 5, 2015 | Buy | +4,200 | $4.75 | $19.95K | 4,200 |
| Jeremy Curnock Cook Director | Mar 16, 2015 | Buy | +68,455 | $8.25 | $564.75K | 188,455 |
| Corp Intrexon 10% owner | Mar 16, 2015 | Buy | +13,939,392 | $0.17 | $2.37M | 37,939,392 |
| Jeremy Curnock Cook Director | May 27, 2010 | Award | +70,000 | – | – | 100,000 |
| Michael S. Perry Director | May 27, 2010 | Award | +50,000 | – | – | 70,000 |
| David J. Poston Vice President and CFO | Apr 16, 2010 | Tax withholding | −66,125 | $0.22 | $14.55K | 220,576 |
| David J. Poston Vice President and CFO | Apr 16, 2010 | Award | +500,000 | – | – | 36,701 |
| BG Susan Robinson President and CEO, Director | Apr 16, 2010 | Tax withholding | −99,187 | $0.22 | $21.82K | 310,814 |
| BG Susan Robinson President and CEO, Director | Apr 16, 2010 | Award | +750,000 | – | – | 35,001 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Oct 12, 2009 | Sale | −675,000 | $0.26 | $175.50K | 0 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Oct 9, 2009 | Sale | −200,000 | $0.26 | $52.00K | 675,000 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Oct 8, 2009 | Sale | −1,120,481 | $0.26 | $291.33K | 875,000 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Oct 7, 2009 | Sale | −200,000 | $0.30 | $60.00K | 1,995,481 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Sep 9, 2009 | Sale | −60,000 | $0.53 | $31.80K | 2,195,481 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Sep 9, 2009 | Sale | −100,000 | $0.50 | $50.00K | 2,255,481 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Jun 5, 2009 | Sale | −900 | $0.50 | $450 | 2,355,475 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Jun 3, 2009 | Sale | −145,552 | $0.05 | $7.28K | 2,356,375 |
| David J. Poston Vice President and CFO | May 17, 2009 | Tax withholding | −3,085 | $0.21 | $648 | 65,530 |
| BG Susan Robinson President and CEO, Director | May 17, 2009 | Tax withholding | −3,809 | $0.21 | $800 | 59,297 |
| David J. Poston Vice President and CFO | May 15, 2009 | Tax withholding | −3,085 | $0.21 | $648 | 68,615 |
| BG Susan Robinson President and CEO, Director | May 15, 2009 | Tax withholding | −3,809 | $0.21 | $800 | 63,106 |
| Austin W. & Greenhouse David M. Marxe 10% owner | Jun 23, 2008 | Sale | −399 | $0.67 | $267 | 2,501,927 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.