Armata Pharmaceuticals, Inc.
ARMP- Exchange
- NYSE
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000921114
No open-market purchases or sales by Armata Pharmaceuticals, Inc. insiders were filed in the last 90 days; 53 institutions reported holding it in 13F filings for Q2 2026, worth $32.3M in total; no superinvestor holds it.
Holders of 5% or more of ARMP
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Armata Pharmaceuticals, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Innoviva, Inc. | 13D/A | 83.30%55.5M shares | −1.90 ppfrom 85.20% | Mar 12, 20252 filings | Aug 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Armata Pharmaceuticals, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 12, 20259:38 PM ET | Innoviva, Inc.and 1 other | 13D/A | 83.30%55.5M shares | −1.90 ppfrom 85.20% | Aug 11, 2025 | SEC |
| Mar 12, 20255:49 PM ET | Innoviva, Inc.and 1 other | 13D/A | 85.20%64.2M shares | – | Mar 12, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Armata Pharmaceuticals, Inc. shares.
No Form 144 notices for Armata Pharmaceuticals, Inc. are on file.