# EDGAR Filing Document

**Accession Number:** 0001055919
**File Stem:** 0001193125-26-222151
**Filing Date:** 2026-5
**Character Count:** 15437
**Document Hash:** 0866c2ad75f20c34bc807f30a56024ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-222151.hdr.sgml**: 20260513

**ACCESSION NUMBER**: 0001193125-26-222151

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260513

**DATE AS OF CHANGE**: 20260513

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PULSE BIOSCIENCES, INC.
- **CENTRAL INDEX KEY:** 0001625101
- **STANDARD INDUSTRIAL CLASSIFICATION:** SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 465696597
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-89516
- **FILM NUMBER:** 26975045

**BUSINESS ADDRESS:**
- **STREET 1:** 3957 POINT EDEN WAY
- **CITY:** HAYWARD
- **STATE:** CA
- **ZIP:** 94545
- **BUSINESS PHONE:** 510-906-4600

**MAIL ADDRESS:**
- **STREET 1:** 3957 POINT EDEN WAY
- **CITY:** HAYWARD
- **STATE:** CA
- **ZIP:** 94545

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Pulse Biosciences, Inc.
- **DATE OF NAME CHANGE:** 20151210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Electroblate, Inc.
- **DATE OF NAME CHANGE:** 20141113
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DUGGAN ROBERT W
- **CENTRAL INDEX KEY:** 0001055919

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 611 SOUTH FORT HARRISON AVE
- **STREET 2:** SUITE 306
- **CITY:** CLEARWATER
- **STATE:** FL
- **ZIP:** 33756

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 17)**

**Pulse Biosciences, Inc.**

*(Name of Issuer)*

**Common Stock, par value $0.001 per share**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**ADAM W. FINERMAN, ESQ.**<br>BAKER HOSTETLER LLP<br>45 Rockefeller Plaza<br>New York NY 10111<br>(212) 589-4233

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**05/11/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ROBERT W. DUGGAN** | Name of reporting person<br>**ROBERT W. DUGGAN** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**49706423.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**49706423.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**49706423.00** | Aggregate amount beneficially owned by each reporting person<br>**49706423.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**71.9%** | Percent of class represented by amount in Row (11)<br>**71.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** *Represents 49,706,423 shares of Common Stock, including (i) 256,078 shares of Common Stock underlying certain options exercisable within 60 days hereof, held by Mr. Duggan, (ii) 630,109 shares of Common Stock held by Genius 24C Inc d/b/a Genius Inc and (iii) 450,189 shares of Common Stock held by Blazon Corporation. This does not include options which are not exercisable in 60 days from the date hereof. The number of shares of Common Stock beneficially owned by Mr. Duggan reported in the table above does not include shares of Common Stock which are beneficially owned by Mr. Duggan's spouse, Dr. Maky Zanganeh. As spouses, Mr. Duggan and Dr. Zanganeh may be deemed to have acquired beneficial ownership of the securities held by the other spouse upon their marriage on December 18, 2024. Mr. Duggan does not hold any voting or investment power over such securities held by Dr. Zanganeh. Mr. Duggan disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein.

Percent beneficially owned is based on 69,141,378 shares of Common Stock outstanding, consisting of (i) 68,225,067 shares outstanding as disclosed in the Issuer's Proxy Statement filed with the Securities and Exchange Commission on May 11, 2026, (ii) 256,078 shares underlying options that can be exercised by Mr. Duggan within 60 days hereof and (iii) 660,233 shares of Common Stock issued by the Issuer through its at-the-market equity offering program.

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**GENIUS 24C INC** | Name of reporting person<br>**GENIUS 24C INC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**FLORIDA** | Citizenship or place of organization<br>**FLORIDA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**630109.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**630109.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**630109.00** | Aggregate amount beneficially owned by each reporting person<br>**630109.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0.9%** | Percent of class represented by amount in Row (11)<br>**0.9%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** * Represents 630,109 shares of Common Stock held by Genius 24C Inc d/b/a Genius Inc.

Percent beneficially owned is based on 68,885,300 shares of Common Stock outstanding, consisting of (i) 68,225,067 shares outstanding as disclosed in the Issuer's Proxy Statement filed with the Securities and Exchange Commission on May 11, 2026, and (ii) 660,233 shares of Common Stock issued by the Issuer through its at-the-market equity offering program.

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**BLAZON CORPORATION** | Name of reporting person<br>**BLAZON CORPORATION** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**CALIFORNIA** | Citizenship or place of organization<br>**CALIFORNIA** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**450189.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**450189.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**450189.00** | Aggregate amount beneficially owned by each reporting person<br>**450189.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0.7%** | Percent of class represented by amount in Row (11)<br>**0.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**CO** | Type of Reporting Person (See Instructions)<br>**CO** | |

---

**Comment for Reporting Person:** * Represents 450,189 shares of Common Stock held by Blazon Corporation.

Percent beneficially owned is based on 68,885,300 shares of Common Stock outstanding, consisting of (i) 68,225,067 shares outstanding as disclosed in the Issuer's Proxy Statement filed with the Securities and Exchange Commission on May 11, 2026, and (ii) 660,233 shares of Common Stock issued by the Issuer through its at-the-market equity offering program.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, par value $0.001 per share

**(b) Name of Issuer:**
Pulse Biosciences, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
601 Brickell Key Drive, Suite 1080, Miami, FL, 33131

The following constitutes Amendment No. 17 to the Schedule 13D filed by the undersigned. This Amendment No. 17 amends the Schedule 13D as specifically set forth herein.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Items 5(a)-(c) are hereby amended to read as follows:

The aggregate percentage of shares of Common Stock reported owned by each person named herein is based upon 68,885,300 shares outstanding consisting of (i) 68,225,067 shares outstanding as disclosed in the Issuer's Proxy Statement filed with the Securities and Exchange Commission on May 11, 2026, and (ii) 660,233 shares of Common Stock issued by the Issuer through its at-the-market equity offering program, and in the case of Mr. Duggan, an additional 256,078 shares underlying options that can be exercised by Mr. Duggan within 60 days hereof.

A.    Mr. Duggan

As of the close of business on May 11, 2026, Mr. Duggan beneficially owned 49,706,423 shares of Common Stock, including 256,078 shares underlying certain options exercisable within sixty days hereof. As the sole shareholder of Genius, Mr. Duggan may be deemed the beneficial owner of the 630,109 shares of Common Stock held by Genius. As the majority shareholder of Blazon Corporation, Mr. Duggan may be deemed the beneficial owner of the 450,189 shares of Common Stock held by Blazon.

Percentage: Approximately 71.9%

B.    Genius 24C Inc d/b/a Genius Inc
As of the close of business on May 11, 2026, Genius beneficially owned 630,109 shares of Common Stock.

Percentage: Approximately 0.9%

C.    Blazon Corporation
As of the close of business on May 11, 2026, Blazon Corporation beneficially owned 450,189 shares of Common Stock.

Percentage: Approximately 0.7%

**(b)**
Item 5(b) is hereby amended to read as follows:

      A. Mr. Duggan:
      1. Sole power to vote or direct vote: 49,706,423
      2. Shared power to vote or direct vote: 0
      3. Sole power to dispose or direct the disposition: 49,706,423
      4. Shared power to dispose or direct the disposition: 0

      B. Genius 24C In d/b/a Genius Inc.:
      1. Sole power to vote or direct vote: 630,109
      2. Shared power to vote or direct vote: 0
      3. Sole power to dispose or direct the disposition: 630,109
      4. Shared power to dispose or direct the disposition: 0

      C. Blazon Corporation:
      1. Sole power to vote or direct vote: 450,189
      2. Shared power to vote or direct vote: 0
      3. Sole power to dispose or direct the disposition: 450,189
      4. Shared power to dispose or direct the disposition: 0

**(c)**
Item 5(c) is hereby amended to read as follows:

The transactions in the shares of Common Stock by the Reporting Persons during the past sixty days are set forth below in the table entitled "Transactions in the Common Stock During the Past Sixty Days."

Transactions in the Common Stock During the Past Sixty Days

Reporting Person                Type of Security                               Securities Purchased / (Sold)              Price Per Share($)               Date of Purchase / Sale
Mr. Duggan                           Common Stock                                                       660,233                                 19.69(1)                                  5/11/2026

(1)     The shares reported herein were acquired through the Company's at-the-market equity offering program established pursuant to that certain Equity Distribution Agreement, dated February 19, 2026, by and between the Company and TD Securities (USA) LLC, as sales agent. The shares were purchased during an open trading window under the Company's Insider Trading Policy and in accordance with applicable securities laws.  The shares reported herein were purchased at the prevailing market bid price or higher at the time of sale.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** ROBERT W. DUGGAN

**Signature:** /s/ Robert W. Duggan

**Name/Title:** Robert W. Duggan

**Date:** 05/13/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** GENIUS 24C INC

**Signature:** /s/ Robert W. Duggan

**Name/Title:** Robert W. Duggan, Authorized Signatory

**Date:** 05/13/2026

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** BLAZON CORPORATION

**Signature:** /s/ Robert W. Duggan

**Name/Title:** Robert W. Duggan, Authorized Signatory

**Date:** 05/13/2026