// company-profile
Armata Pharmaceuticals, Inc.
ARMPExchangeNYSESectorBiological Products, (No Diagnostic Substances)Inc.WAFilings41Insiders11
// api This Armata Pharmaceuticals, Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Armata Pharmaceuticals, Inc. insiders bought $0 across 1 transaction with no open-market sales.
- Most active insider: Gilmer Daniel B. with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Armata Pharmaceuticals, Inc. as of 2026-03-31
Total reported AUM
$39.4M
QoQ change
+432.5%
Reporting period
2026-03-31
#1
Madison Asset Management, LLC
CIK 1299351
$21.6M
2.1M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$3.7M
366K shares
#3
MILLENNIUM MANAGEMENT LLC
CIK 1273087
$2.6M
258K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 24, 2026 | Gilmer Daniel B. | ARMP | Award | 51,280 | $0.00 | $0K |
| Mar 14, 2026 | Birx Deborah | ARMP | Tax Withholding | 4,919 | $10.54 | $52K |
| Mar 14, 2026 | Kyme Pierre | ARMP | Tax Withholding | 1,030 | $10.54 | $11K |
| Mar 9, 2026 | Birx Deborah | ARMP | Award | 421,226 | $0.00 | $0K |
| Mar 9, 2026 | Odysseas Kostas D | ARMP | Award | 25,640 | $0.00 | $0K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.