GICS sector · 506 companies · 40 industries · 2026

Health Care Stocks: Insider Trading & 8-K Events

Pharmaceutical, biotech, medical devices, managed care, and health services companies disclosing pipeline progress, trial readouts, and reimbursement risk.

Health Care in the last 90 days

In the last 90 days, officers and directors of Health Care companies bought $243.1M and sold $3.12B of their own stock on the open market (212 purchases vs 3,508 sales). The 506 tracked companies filed 1,240 8-K reports, including 222 leadership changes and 159 material agreements or acquisitions.

  • Largest net insider buying: Kodiak Sciences Inc. (KOD), $157.0M net.
  • 5 cluster buys (3+ insiders, $250K+): BSX, INBX, PFE, COO and more.
  • Median revenue growth (latest fiscal year, 412 companies): +10.4%, 1st of 11 sectors.

Source: SEC Form 4 (officers and directors, open-market codes P/S) and 8-K filings via EDGAR. Updated hourly.

Insider buying · 90d
$243.1M
7.2% of insider $ · 5th of 12
Cluster buys
5
3+ insiders, $250K+
8-K reports · 90d
1,240
222 leadership · 159 deals · 32 red flags
Median revenue growth
+10.4%
1st of 11 sectors

Rank every Health Care company by insider buying, 8-K events, 13D stakes and revenue growth on the live sector board. Free to start.

Latest Health Care SEC filings

10-K, 10-Q and 8-K filings in the last 30 days

Health Care sector FAQ

Are insiders buying Health Care stocks?

In the last 90 days, officers and directors of Health Care companies made 212 open-market purchases worth $243.1M and 3,508 sales worth $3.12B. Buying was 7.2% of insider dollar volume, 5th highest of 12 sectors. The largest net buyer was Kodiak Sciences Inc. (KOD) at $157.0M. Most insider selling is routine (taxes, diversification, 10b5-1 plans), so purchases carry more signal.

Which Health Care companies had cluster insider buying?

5 companies had three or more insiders buy at least $250K in total over the last 90 days: Boston Scientific (BSX) (4 buyers, $9.5M), Inhibrx Biosciences, Inc. (INBX) (3 buyers, $5.5M), Pfizer Inc (PFE) (3 buyers, $3.0M), Cooper Companies (The) (COO) (3 buyers, $1.9M), Embecta Corp. (EMBC) (4 buyers, $558K).

What 8-K events did Health Care companies report recently?

Health Care companies filed 1,240 8-Ks in the last 90 days: 222 with executive or director changes (Item 5.02), 159 material agreements or acquisitions (Items 1.01 and 2.01) and 32 red-flag items such as bankruptcy, delisting notices, auditor changes, restatements or cybersecurity incidents. The most active filer was ASP Isotopes Inc. (ASPI) with 13 8-Ks.

How many Health Care companies does SignalX track?

SignalX tracks 506 SEC-reporting Health Care companies across 40 industries, led by Pharmaceutical Preparations (195), Biological Products, (No Diagnostic Substances) (70), Surgical & Medical Instruments & Apparatus (62). Each company page shows its latest 10-K, 10-Q and 8-K filings with AI summaries, insider trades and 13F institutional holders.

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Health Care companies by industry

506 SEC-reporting companies with filings, insider trades and 13F holders

Pharmaceutical Preparations(195)

Show all 195 Pharmaceutical Preparations companies

Biological Products, (No Diagnostic Substances)(70)

Show all 70 Biological Products, (No Diagnostic Substances) companies

Surgical & Medical Instruments & Apparatus(62)

Show all 62 Surgical & Medical Instruments & Apparatus companies

X-Ray Apparatus & Tubes & Related Irradiation Apparatus(4)

Plastic Materials, Synth Resins & Nonvulcan Elastomers(3)

Wholesale-Medical, Dental & Hospital Equipment & Supplies(2)

Agricultural Chemicals(1)

Services-Management Consulting Services(1)

Special Industry Machinery, NEC(1)

Adhesives & Sealants(1)

Retail-Drug Stores and Proprietary Stores(1)

Industrial Instruments For Measurement, Display, and Control(1)

Dental Equipment & Supplies(1)

Photographic Equipment & Supplies(1)

Watches, Clocks, Clockwork Operated Devices/Parts(1)

Services-Testing Laboratories(1)

Measuring & Controlling Devices, NEC(1)

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