Actinium Pharmaceuticals, Inc. (ATNM) — SEC Filings

Actinium Pharmaceuticals, Inc. (ATNM) — 18 SEC filings. Latest: 10-K (Mar 30, 2026). Includes 6 10-Q, 4 SC 13G/A, 3 10-K.

View Actinium Pharmaceuticals, Inc. on SEC EDGAR

Overview

Actinium Pharmaceuticals, Inc. (ATNM) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 10-K filed on Mar 30, 2026: Actinium Pharmaceuticals, Inc. (ATNM) is a clinical-stage biopharmaceutical company focused on targeted radiotherapies, reporting a market value of voting stock held by nonaffiliates of $43,663,089 as of June 30, 2025. The company is pioneering a biology-driven approach with a pipeline including two

Sentiment Summary

Across 18 filings, the sentiment breakdown is: 1 bullish, 14 neutral, 3 mixed. The dominant filing sentiment for Actinium Pharmaceuticals, Inc. is neutral.

Filing Type Overview

Actinium Pharmaceuticals, Inc. (ATNM) has filed 3 10-K, 3 8-K, 6 10-Q, 1 DEF 14A, 4 SC 13G/A, 1 SC 13G with the SEC between Jan 2024 to Mar 2026.

Filings by Year

2026 · 2025 · 2024

Recent SEC Filings (18)

Actinium Pharmaceuticals, Inc. SEC Filing History
DateFormDescriptionRisk
Mar 30, 202610-KActinium Eyes Blockbuster Radiotherapy Market with Differentiated Pipelinehigh
Nov 26, 20258-KActinium Pharmaceuticals Files 8-K on Officer/Director Changesmedium
Nov 14, 202510-QActinium Narrows Q3 Loss by 56% on R&D, G&A Cutsmedium
Nov 5, 2025DEF 14AActinium Pharma Sets Annual Meeting for Key Director, Auditor Voteslow
Aug 8, 202510-QActinium Pharmaceuticals Reports No Revenue, Focuses on Iomab-B Phase 3high
May 9, 202510-QActinium Pharmaceuticals Files Q1 2025 10-Q Reportlow
Mar 31, 202510-KActinium Pharmaceuticals Files 2024 Annual Reportlow
Nov 27, 20248-KActinium Pharmaceuticals Files 8-K on Director/Officer Changesmedium
Nov 14, 202410-QActinium Pharmaceuticals Files Q3 2024 10-Qmedium
Nov 12, 2024SC 13G/ASC 13G/A Filing
Nov 8, 2024SC 13G/ASC 13G/A Filing
Nov 5, 20248-KActinium Pharma Files 8-K on Officer/Director Changesmedium
Nov 4, 2024SC 13G/ASC 13G/A Filing
Aug 5, 202410-QActinium Pharmaceuticals Files Q2 2024 10-Qlow
Apr 26, 202410-QActinium Pharmaceuticals Files Q1 2024 10-Qlow
Mar 29, 202410-KActinium Pharmaceuticals, Inc. Files 2023 Annual Report on Form 10-Klow
Feb 9, 2024SC 13G/ABigger Capital Fund Reports 441K Shared Voting Power in Actinium Pharmalow
Jan 29, 2024SC 13GBlackRock Discloses 5.1% Stake in Actinium Pharma

Risk Profile

Risk Assessment: Of ATNM's 14 recent filings, 2 were flagged as high-risk, 5 as medium-risk, and 7 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Key Executives

  • Sandesh Seth
  • Ajit Shetty
  • June S. Almenoff
  • Gary Siegel

Industry Context

The radiopharmaceutical market is experiencing rapid growth and validation, evidenced by blockbuster sales of drugs like Pluvicto ($2 billion in 2025) and significant M&A activity ($17 billion from 2013-2023). This growth is attracting substantial strategic investments and licensing transactions, highlighting the industry's potential. However, the space is becoming increasingly competitive, with many companies focusing on a limited number of targets.

Top Tags

pharmaceuticals (5) · Biotechnology (4) · 10-Q (4) · Oncology (3) · quarterly-report (3) · Radiopharmaceuticals (2) · Clinical Stage (2) · SEC Filing (2) · 10-K (2) · Targeted Therapy (1)

Key Numbers

Actinium Pharmaceuticals, Inc. Key Metrics
MetricValueContext
Aggregate market value of voting stock held by nonaffiliates$43,663,089as of June 30, 2025, indicating company size
Shares of common stock outstanding31,374,994as of March 30, 2026
Pluvicto sales$2 billionin 2025, demonstrating market potential for radiopharmaceuticals
Pluvicto forecast peak sales$5 billionby Novartis, highlighting the blockbuster potential
High-value M&A in radiopharmaceuticals$17 billionfrom 2013 to 2023, showing industry consolidation and interest
Strategic investments and licensing transactions$8 billionsince 2024, targeting novel radiotherapy assets
Issued patents and pending patent applications250comprising Actinium's intellectual property portfolio
Patients treated500in Actinium's clinical trials to date, demonstrating clinical experience
Expected commissioning of manufacturing facility2H:2026indicating progress in vertical integration
Superiority of ATNM-4003-5 foldover leading approved therapies in EGFR-mutant NSCLC models
Net Loss (Q3 2025)$5.131M55.7% decrease from $11.568M in Q3 2024
Net Loss (9M 2025)$27.947M11.5% decrease from $31.591M in 9M 2024
Total Revenue (9M 2025)$90KIncrease from $0 in 9M 2024, primarily from grant revenue
R&D Expenses (Q3 2025)$4.248M56.5% decrease from $9.774M in Q3 2024
G&A Expenses (Q3 2025)$1.534M45.7% decrease from $2.827M in Q3 2024

Forward-Looking Statements

  • {"claim":"Bigger Capital Fund, LP will maintain a significant stake in Actinium Pharmaceuticals, Inc. for the foreseeable future.","entity":"Bigger Capital Fund, LP","targetDate":"2025-12-31","confidence":"medium"}

Related Companies

NVS · MRK · BMY · ACTM

Frequently Asked Questions

What are the latest SEC filings for Actinium Pharmaceuticals, Inc. (ATNM)?

Actinium Pharmaceuticals, Inc. has 18 recent SEC filings from Jan 2024 to Mar 2026, including 6 10-Q, 4 SC 13G/A, 3 10-K. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of ATNM filings?

Across 18 filings, the sentiment breakdown is: 1 bullish, 14 neutral, 3 mixed. The dominant sentiment is neutral.

Where can I find Actinium Pharmaceuticals, Inc. SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Actinium Pharmaceuticals, Inc. (ATNM) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Actinium Pharmaceuticals, Inc.?

Key financial highlights from Actinium Pharmaceuticals, Inc.'s most recent 10-K include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for ATNM?

The investment thesis for ATNM includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Actinium Pharmaceuticals, Inc.?

Key executives identified across Actinium Pharmaceuticals, Inc.'s filings include Sandesh Seth, Ajit Shetty, June S. Almenoff, Gary Siegel.

What are the main risk factors for Actinium Pharmaceuticals, Inc. stock?

Of ATNM's 14 assessed filings, 2 were flagged high-risk, 5 medium-risk, and 7 low-risk.

What are recent predictions and forward guidance from Actinium Pharmaceuticals, Inc.?

Recent forward-looking statements from Actinium Pharmaceuticals, Inc. include guidance on {"claim":"Bigger Capital Fund, LP will maintain a significant stake in Actinium Pharmaceuticals, Inc. for the foreseeabl.

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