# EDGAR Filing Document

**Accession Number:** 0001192161
**File Stem:** 0000944075-26-000030
**Filing Date:** 2026-3
**Character Count:** 10103
**Document Hash:** fbe00ceecc1827f09a5df9c2b1168836
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000944075-26-000030.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0000944075-26-000030

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SOCKET MOBILE, INC.
- **CENTRAL INDEX KEY:** 0000944075
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRONIC COMPUTERS [3571]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 943155066
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-50241
- **FILM NUMBER:** 26822979

**BUSINESS ADDRESS:**
- **STREET 1:** 40675 ENCYCLOPEDIA CIRCLE
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538-2475
- **BUSINESS PHONE:** 5109333000

**MAIL ADDRESS:**
- **STREET 1:** 40675 ENCYCLOPEDIA CIRCLE
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538-2475

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SOCKET COMMUNICATIONS INC
- **DATE OF NAME CHANGE:** 19950418
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BASS CHARLIE
- **CENTRAL INDEX KEY:** 0001192161

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** 40675 ENCYCLOPEDIA CIR.
- **CITY:** FREMONT
- **STATE:** CA
- **ZIP:** 94538

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 7)**

**SOCKET MOBILE, INC.**

*(Name of Issuer)*

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

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Jason Wu**<br>40675 Encyclopedia Circle<br>Fremont CA 94538<br>5109333085

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

**03/27/2026**

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

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**BASS CHARLIE** | Name of reporting person<br>**BASS CHARLIE** | |
| 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>**5030216.00** |
| 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>**5030216.00** |
| 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>**5030216.00** | Aggregate amount beneficially owned by each reporting person<br>**5030216.00** | |
| 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>**43.6%** | Percent of class represented by amount in Row (11)<br>**43.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

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

**(b) Name of Issuer:**
SOCKET MOBILE, INC.

**(c) Address of Issuer's Principal Executive Offices:**
40675 ENCYCLOPEDIA CIRCLE, FREMONT, CA, 94538-2475

This Amendment relates to shares of Common Stock of the Issuer, whose principal executive offices are located at 40675 Encyclopedia Cir., Fremont, CA 94538.

**Item 4. Purpose of Transaction**

The acquisition of common stock and the 2026 Note by the Bass Trust was for investment purposes only.  At the time of the filing of this Amendment, Mr. Bass has no present plans or proposals that relate to or would result in any of the matters described in subparagraphs (a) through (j) of Item 4 of the instructions to Schedule 13D. Mr. Bass is a director of the Issuer, and this Amendment, the disclosures herein, and any future amendments hereto are not intended to, and do not, make disclosures with respect to transactions in which the Issuer may engage to which Mr. Bass is not a party or other matters that Mr. Bass may learn of or be involved with in his capacity as a director of the Issuer.

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

**(a)**
Mr. Bass is the beneficial owner of 5,030,216 shares of Common Stock consisting of 1,703,202 shares of Common Stock held by the Bass Trust, up to 684,931 shares of Common Stock issuable to the Bass Trust upon conversion of the convertible subordinated secured promissory note purchased by the Bass Trust on August 31, 2020 (the 2020 Note), up to 1,119,402 shares of Common Stock issuable to the Bass Trust upon conversion of the convertible subordinated secured promissory note purchased by the Bass Trust on May 26, 2023 (the 2023 Note), up to 551,759 shares of Common Stock issuable to the Bass Trust upon conversion of the convertible subordinated secured promissory note purchased by the Bass Trust on August 21, 2024 (the 2024 Note), up to 467,289 shares of Common Stock issuable to the Bass Trust upon conversion of the convertible subordinated secured promissory note purchased by the Bass Trust on May 30, 2025 (the 2025 Note), up to 444,444 shares of Common Stock issuable to Bass Trust upon conversion of the 2026 Note, and up to 59,198 shares of Common Stock issuable pursuant to stock options held by Mr. Bass that are exercisable within 60 days of the date of this Amendment.
Such shares of Common Stock, collectively, represent 43.6% of the 11,549,972 shares of Common Stock deemed to be outstanding for the purpose of computing the percentage of outstanding shares of Common Stock owned by Mr. Bass pursuant to SEC Rule 13d-3d1i, and which consists of 8,222,958 shares of Common Stock outstanding as of March 27, 2026, 3,327,014 shares of Common Stock issuable upon conversion of the 2020 Note, 2023 Note, 2024 Note, 2025 Note, 2026 Note and exercise of the stock options described above.

**(b)**
Mr. Bass has sole power to vote and dispose of all shares of Common Stock beneficially owned by Mr. Bass.

**(c)**
From the Schedule 13D/A filed on October 15, 2025, through the date of this filing, the following transactions have taken place:

	Direct Beneficial Owner		Type of Security		Purchase Price of Security
Date		Type of Activity		Shares
11/3/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          0.9837
11/4/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                      1.0346
11/5/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.0434
11/6/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.0758
11/7/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.0938
11/10/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.0925
11/11/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.0955
11/12/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.1115
11/13/2025	Bass Trust	Open Market Purchase	Common Stock	3,801	 $                          1.1670
11/14/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2370
11/17/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2519
11/18/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2410
11/19/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2427
11/20/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2100
11/21/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2386
11/24/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2551
11/25/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.2953
11/26/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.3349
11/28/2025	Bass Trust	Open Market Purchase	Common Stock	5,000	 $                          1.3328
2/4/2026	Bass Trust	Grant	Common Stock	6,250	                                   n/a
2/27/2026	Bass Trust	Grant	Stock Option	16,000	 $                               1.00

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Mr. Bass has entered into a revocable trust agreement for estate planning purposes that governs his beneficial ownership and voting and dispositive power over the holdings of the Bass Trust. Pursuant to the revocable trust agreement, Mr. Bass may also revoke the trust at his sole discretion.
	Mr. Bass currently holds stock options to purchase an aggregate of 159,000 shares of Common Stock, of which options to purchase 69,188 shares are exercisable within 60 days of the date of this filing.

### 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:** BASS CHARLIE

**Signature:** /s/ Charlie Bass

**Name/Title:** Charlie Bass/Chair of the Board

**Date:** 03/31/2026