Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 6)*
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SOCKET MOBILE, INC. (Name of Issuer) |
Common Stock, par value $0.001 per share (Title of Class of Securities) |
83368E200 (CUSIP Number) |
Jason Wu 40675 Encyclopedia Circle, Fremont, CA, 94538 5109333085 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
10/13/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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| CUSIP No. | 83368E200 |
| 1 |
Name of reporting person
BASS CHARLIE | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
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| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
PF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
UNITED STATES
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
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| 11 | Aggregate amount beneficially owned by each reporting person
4,477,179.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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| 13 | Percent of class represented by amount in Row (11)
41.3 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| 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,
CALIFORNIA
, 94538-2475. |
| Item 2. | Identity and Background |
| (a) | Charlie Bass |
| (b) | The business address of Mr. Bass is c/o Socket Mobile, Inc., 40675 Encyclopedia Cir., Fremont, CA 94538. |
| (c) | Mr. Bass is Chairman of the Board of Directors of the Issuer, whose business address is 40675 Encyclopedia Cir., Fremont, CA 94538. |
| (d) | No. |
| (e) | No. |
| (f) | United States |
| Item 3. | Source and Amount of Funds or Other Consideration |
On October 13, 2025, Transferor transferred to Transferee a Secured Subordinated Convertible Note originally issued by the Company on May 26, 2023, with a principal amount of $500,000 (the Note). In consideration for the transfer, the Transferee paid the Transferor the purchase price of $500,000 in cash by wire transfer on the date hereof. | |
| Item 4. | Purpose of Transaction |
The transaction represents a private transfer of the Note for investment purposes. The transfer did not involve any plans or proposals that relate to or would result in any of the matters set forth in paragraphs (a) through (j) of Item 4 of Schedule 13D. | |
| Item 5. | Interest in Securities of the Issuer |
| (a) | (a) Mr. Bass is the beneficial owner of 4,477,179 shares of Common Stock consisting of (i) 1,603,151 shares of Common Stock held by the Bass Trust, (ii) 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)., (iii) 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), (iv) up to 551,760 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), (v) up to 467,289 shares of Common Stock issuable to the Bass Trust upon conversion of the 2025 Note, and (vi) up to 50,646 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 41.3% of the 10,835,490 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-3(d)(1)(i), and which consists of (i) 7,921,761 shares of Common Stock outstanding as of October 13, 2025, (ii) 2,874,028 shares of Common Stock issuable upon conversion of the 2020 Note, 2023 Note, 2024 Note and 2025 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) | Except for the transfer described above, the Reporting Person has not effected any transactions in the securities of the Issuer during the past 60 days. |
| (d) | Not applicable. |
| (e) | Not applicable. |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
The transferee acquired the convertible note from Mr. Kevin Mills pursuant to a Convertible Note Transfer Agreement dated October 13, 2025. Other than as described, there are no arrangements, understandings, or relationships regarding the securities of the Issuer. | |
| Item 7. | Material to be Filed as Exhibits. |
Exhibit 1 - Convertible Note Transfer Agreement, dated October 13, 2025, between Kevin Mills and Charlie Bass. |
| 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.
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