X0202 SCHEDULE 13D/A 0000919484 XXXXXXXX LIVE 1 Common Stock, par value $.0001 per share 04/16/2026 false 0001779372 42238H108 HeartBeam, Inc.

2118 Walsh Avenue Suite 210 Santa Clara CA 95050

Strome Group, Inc. (310)850-9700 Attn: Mark E. Strome 13535 Ventura Boulevard, Suite C-525 Sherman Oaks CA 91423 0000919484 N STROME MARK E OO N X1 114200.00 3650000.00 114200.00 3650000.00 3764200.00 N 6.8 IN HC 0001724136 N STROME GROUP, INC. OO N DE 0.00 3650000.00 0.00 3650000.00 3650000.00 N 6.6 CO 0000936711 N STROME INVESTMENT MANAGEMENT LP OO N DE 0.00 3650000.00 0.00 3650000.00 3650000.00 N 6.6 IA PN 0001978360 N Strome Mezzanine Fund II, LP OO N DE 0.00 3650000.00 0.00 3650000.00 3650000.00 N 6.6 PN Common Stock, par value $.0001 per share HeartBeam, Inc. 2118 Walsh Avenue Suite 210 Santa Clara CA 95050 1. Mark E. Strome 2. Strome Group, Inc. 3. Strome Investment Management, LP (the "Manager") 4. Strome Mezzanine Fund II, LP (the "Fund"). 1. Mr. Strome, Strome Group, Inc. and the Manager: 13535 Ventura Blvd., Ste C-525, Sherman Oaks, CA 91423 2. The Fund: 1688 Meridian Ave., Suite 727, Miami Beach, Florida 33139 1. Mr. Strome: President of the Strome Group, Inc. 2. Strome Group Inc.: holding company for business investment 3. Manager: general partner and investment manager of the Fund 4. Fund: to make investments No No 1. Mr. Strome: United States 2. Strome Group, Inc., the Manager and the Fund: Delaware On April 16, 2026, the Fund purchased 750,000 shares of common stock in connection with the issuer's underwritten public offering of 12,500,000 shares of its common stock at $0.80 per share. Titan Partners, a division of American Capital Partners, acted as the sole bookrunner for the offering, which priced on April 14, 2026, and closed on April 16, 2026. The Fund funded the purchase in the amount of $600,000 with its own funds. The Reporting Persons acquired the shares of common stock to which this Schedule 13D relates in the ordinary course of business for investment purposes. Mark E. Strome: 1. Aggregate number: 3,764,200 2. Aggregate percentage: 6.8% Strome Group, Inc.: 1. Aggregate number: 3,650,000 2. Aggregate percentage: 6.6% Manager: 1. Aggregate number: 3,650,000 2. Aggregate percentage: 6.6% Fund: 1. Aggregate number: 3,650,000 2. Aggregate percentage: 6.6% The aggregate percentage reported herein and on pages 2-5 hereof are based on 55,506,835 shares of common stock outstanding as of May 11, 2026. Mark E. Strome: 1. Sole voting power: 114,200 2. Shared voting power: 3,650,000 3. Sole dispositive power: 114,200 4. Shared dispositive power: 3,650,000 Strome Group, Inc.: 1. Sole voting power: 0 2. Shared voting power: 3,650,000 3. Sole dispositive power: 0 4. Shared dispositive power: 3,650,000 Manager: 1. Sole voting power: 0 2. Shared voting power: 3,650,000 3. Sole dispositive power: 0 4. Shared dispositive power: 3,650,000 Fund: 1. Sole voting power: 0 2. Shared voting power: 3,650,000 3. Sole dispositive power: 0 4. Shared dispositive power: 3,650,000 During the past 60 days, the Fund effected the following open market transactions with respect to shares of common stock: (a) on July 6, sold 56,393 shares at $0.69 per share; (b) on July 7, sold 14,007 shares at $0.65 per share, and 3,806 shares at $0.68 per share; (c) on July 8, sold 41,830 shares at $0.61 per share, and 254 shares at $0.66 per share; (d) on July 9, sold 37,551 shares at $0.63 per share; (e) on July 10, sold 74,889 shares at $0.60 per share; (f) on July 13, sold 61,838 shares at $0.58 per share; (g) on July 14, sold 346,143 shares at $0.53 per share; (h) on July 15, sold 60,000 shares at $0.62 per share, 60,000 shares at $0.60 per share, and 600 shares at $0.67 per share; (i) on July 16, sold 73,381 shares at $0.63 per share; (j) on July 17, sold 39,621 shares at $0.55 per share; (k) on July 21, sold 17,586 shares at $0.60 per share; (l) on July 22, sold 55,458 shares at $0.56 per share; (m) on July 23, sold 61,423 shares at $0.53 per share; (n) on July 24, sold 24,900 shares at $0.51 per share; (o) on July 29, sold 1,320 shares at $0.52 per share; (p) on July 30, sold 489 shares at $0.52 per share; (q) on July 31, sold 10,895 shares at $0.51 per share; (r) on August 3, sold 49,594 shares at $.050 per share; (s) on August 4, sold 65,155 shares at $0.50 per share; (t) on August 5, sold 53,141 shares at $0.49 per share; (u) on August 6, sold 37,437 shares at $0.51 per share; (v) on August 7, sold 59,100 shares at $0.52, per share; (w) on August 10, sold 63,502 shares at $0.52 per share; (x) on August 11, sold 18,570 shares at $0.59 per share; and (y) on August 12, sold 51,149 shares at $0.57 per share, and 2,738 shares at $0.59 per share. These transactions are not reflected in the aggregate number and percentage of the shares of common stock outstanding beneficially owned by each Reporting Person reported in paragraphs (a) and (b) above and on pages 2-5 hereof. Not applicable. Strome Inc., the Manager and the Fund: July 21, 2026 Mr. Strome: July 23, 2026 Except as described elsewhere in this statement, no Reporting Person is a party to any contract, arrangement, understanding or relationship with respect to any securities of the Issuer. Exhibit 99.1 Joint Filing Agreement dated August 13, 2026, by and among Mark E. Strome, Strome Group, Inc., Strome Investment Management, LP and Strome Mezzanine Fund II, LP. STROME MARK E /s/ Mark E. Strome 08/13/2026 STROME GROUP, INC. /s/ Mark E. Strome 08/13/2026 STROME INVESTMENT MANAGEMENT LP /s/ Mark E. Strome 08/13/2026 /s/ Mark E. Strome 08/13/2026 Strome Mezzanine Fund II, LP /s/ Mark E. Strome 08/13/2026 /s/ Mark E. Strome 08/13/2026 /s/ Mark E. Strome 08/13/2026