HeartBeam BEAT Insider Ownership

Updated Oct 10, 2026

Over the past year, BEAT insiders bought $901,000 of stock (1.13Mn shares) and sold $1.08 million (307.15K shares) on the open market.

• Counted by insider, open-market buying of BEAT stock in the past 12 months came from 6 insiders and selling from 2 insiders.
• Among BEAT's insiders, Mark E. Strome (Director) was the top open-market buyer in the past 12 months, with $600,000 of stock purchased (750K shares) and the latest purchase on April 16, 2026.
• Conversely, Mark E. Strome (10% owner) was BEAT's largest open-market seller in the past 12 months, with $895,000 of sales (250K shares); the latest was on December 17, 2025.
• Beyond open-market trades, insiders at HeartBeam received 3.42Mn shares in stock awards in the last 12 months.
• Business Quant data puts insider holdings in BEAT at 9.83Mn shares across insiders' latest Form 4 filings, up 6.69% from 9.21Mn shares at the end of Q2 2026 and up 89.17% from 5.19Mn shares at the end of Q3 2025.
• By type of ownership, BEAT insiders hold 60.61% of their shares directly (5.96Mn shares) and 39.39% indirectly (3.87Mn shares).
• Per Business Quant, 10 insiders of BEAT hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• BEAT's largest insider holders by reported holdings are Branislav Vajdic (President, 3.97Mn shares), Mark E. Strome (Director, 3.71Mn shares) and Willem Elfrink (Director, 645.49K shares).
• Branislav Vajdic holds 40.41% of the combined insider position in HeartBeam.
• Institutional investors held 14.40% of HeartBeam stock at the end of Q2 2026, while the latest Form 4 filings of its insiders account for about 17.44%; other investors, including the public, hold roughly 68.16%.
• In the past year, 11 insiders of HeartBeam submitted 30 Form 4 filings reporting trades, awards or other transactions.
• The insider data for BEAT reflects Form 4 filings through October 9, 2026.