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ARMATA PHARMA (ARMP)
NYSE
$7.52-$0.41 (-5.11%)
Price as of Jun 03, 2026 4:10 PM EDT- $299.9MMarket Cap
- 310.36%1-Year Change
- BiotechnologyIndustry
ARMATA PHARMA (ARMP)
$7.52-$0.41 (-5.11%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
MADISON ASSET MANAGEMENT, LLC | 5.74% | 2.1M | +2.1M (+100.00%) | Mar 31, 2026 |
N/A | 1.00% | 366,028 | +366,028 (+100.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 0.97% | 357,649 | +60,611 (+16.95%) | Dec 31, 2025 |
MILLENNIUM MANAGEMENT LLC | 0.70% | 257,992 | +231,904 (+89.89%) | Mar 31, 2026 |
683 CAPITAL MANAGEMENT, LLC | 0.37% | 137,000 | -2,860 (-2.09%) | Mar 31, 2026 |
GEODE CAPITAL MANAGEMENT, LLC | 0.31% | 114,555 | +4,667 (+4.07%) | Mar 31, 2026 |
BRIDGEWAY CAPITAL MANAGEMENT INC | 0.31% | 113,682 | -8,718 (-7.67%) | Dec 31, 2021 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 0.96% | 352,031 | +53,595 (+15.22%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.25% | 90,268 | +2,804 (+3.11%) | Feb 28, 2026 |
BRIDGEWAY FUNDS INC | 0.11% | 41,382 | 0 (0.00%) | Mar 31, 2026 |
iSHARES TRUST | 0.07% | 27,051 | +1,200 (+4.44%) | Mar 31, 2026 |
VANGUARD INSTITUTIONAL INDEX FUNDS | 0.01% | 5,316 | +5,316 (+100.00%) | Mar 31, 2026 |
EQ ADVISORS TRUST | 0.005% | 1,977 | 0 (0.00%) | Mar 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.004% | 1,600 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Insiders36.0M (55.51%)
- Institutions24.7M (38.06%)
- Mutual Funds4.2M (6.43%)
- Other0 (0.00%)
Insider Transactions
- 55.51% (36.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Gilmer Daniel B. | Award | Apr 24, 2026 | $0.00 | 51,280 | $0.00 | 51,280 |
Kyme Pierre Chief Business Officer | In Kind | Mar 14, 2026 | $10,856.20 | 1,030 | $10.54 | 9,461 |
Schlesinger Sarah J. | Award | Mar 09, 2026 | $0.00 | 25,640 | $0.00 | 25,640 |
Peterson Todd C. | Award | Mar 09, 2026 | $0.00 | 25,640 | $0.00 | 25,640 |
Kostas Odysseas D | Award | Mar 09, 2026 | $0.00 | 25,640 | $0.00 | 25,640 |
Kramer Robin | Award | Mar 09, 2026 | $0.00 | 25,640 | $0.00 | 25,640 |
Haimovitz Jules | Award | Mar 09, 2026 | $0.00 | 25,640 | $0.00 | 25,640 |
House David Duane SVP, Finance, and PFO | Award | Mar 09, 2026 | $0.00 | 109,885 | $0.00 | 109,885 |
Birx Deborah Chief Executive Officer | In Kind | Jul 10, 2025 | $30,955.99 | 13,637 | $2.27 | 217,377 |
Kyme Pierre Chief Business Officer | In Kind | Mar 14, 2025 | $2,002.65 | 1,027 | $1.95 | 10,491 |
Birx Deborah Chief Executive Officer | In Kind | Mar 14, 2025 | $11,818.95 | 6,061 | $1.95 | 231,014 |
PATTI JOSEPH M | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
Kostas Odysseas D | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
Schlesinger Sarah J. | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
Birx Deborah Chief Executive Officer | Award | Feb 05, 2025 | $0.00 | 240,000 | $0.00 | 240,000 |
Peterson Todd C. | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
Kramer Robin | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
House David Duane SVP, Finance, and PFO | Award | Feb 05, 2025 | $0.00 | 25,000 | $0.00 | 25,000 |
Kyme Pierre Chief Business Officer | Award | Feb 05, 2025 | $0.00 | 100,000 | $0.00 | 100,000 |
Haimovitz Jules | Award | Feb 05, 2025 | $0.00 | 54,343 | $0.00 | 54,343 |
Birx Deborah Chief Executive Officer | In Kind | Jul 10, 2024 | $61,439.00 | 22,925 | $2.68 | 237,075 |