Ridgetech director buys 100,000 Series A preferred

Ridgetech Inc. director Kong Lingtao purchased 100,000 Series A Preferred Shares on July 16, 2026, reported as a derivative security, bringing direct holdings to 100,000 preferred shares.

Accepted by SEC EDGAR 07/20/2026 - 05:15 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Ridgetech Inc. director Kong Lingtao purchased 100,000 Series A Preferred Shares on July 16, 2026, reported as a derivative security, bringing direct holdings to 100,000 preferred shares. Each preferred share is convertible into one ordinary share, with a required cash top-up for any excess par value on conversion.

Insider Trade Summary

Net Buyer: 100,000 shares

Net Buy 1 txn

Insider Kong Lingtao

Role Director

Bought 100,000 shs

Type	Security	Shares	Price	Value
Purchase	Series A Preferred Shares F1, F2	100,000	--	--

Holdings After Transaction: Series A Preferred Shares — 100,000 contracts (Direct)

Footnotes (2)

1. F1. The Series A Preferred Shares are convertible into ordinary shares on a one-for-one basis at any time at the option of the holders thereof and automatically in certain other circumstances as set forth in the Statement of Rights applicable to the Series A Preferred Shares.
2. F2. Holder is required to pay a cash "top-up payment" equal to any excess of the aggregate par value of the ordinary shares issuable upon conversion over the aggregate par value of the Series A Preferred Shares being converted, as provided in the Statement of Rights applicable to the Series A Preferred Shares.

Key Figures

Series A Preferred Shares purchased: 100000 shares Series A Preferred Shares held after transaction: 100000 shares Underlying ordinary shares: 100000 shares +2 more

5 metrics

Series A Preferred Shares purchased 100000 shares Purchased on 2026-07-16 by director Kong Lingtao

Series A Preferred Shares held after transaction 100000 shares Direct holdings following the reported purchase

Underlying ordinary shares 100000 shares Ordinary shares underlying the Series A Preferred on a one-for-one basis

Conversion ratio 1 ordinary share per preferred share Stated conversion rate for Series A Preferred Shares

Derivative transactions reported 1 transaction Total derivative security transactions disclosed in this Form 4

Key Terms

Series A Preferred Shares, ordinary shares, top-up payment, Statement of Rights, +1 more

5 terms

Series A Preferred Shares financial

"Security title reported as Series A Preferred Shares"

Series A preferred shares are an early-stage class of ownership sold to investors that gives them special protections and payment priority over regular common stock. Think of them as a safer seat on a bus: if the company earns money or is sold, holders get paid before ordinary shareholders, and they often can convert to common shares later to share upside; that mix of safety and growth potential helps investors manage risk and reward.

ordinary shares financial

"Convertible into ordinary shares on a one-for-one basis"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

top-up payment financial

"Holder must pay a cash top-up payment for excess par value"

Statement of Rights financial

"As provided in the Statement of Rights for the Series A Preferred Shares"

par value financial

"Excess of the aggregate par value of the ordinary shares"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did RDGT director Kong Lingtao report?

Director Kong Lingtao reported purchasing 100,000 Series A Preferred Shares of Ridgetech Inc. on July 16, 2026. The shares are classified as derivative securities and are held directly, with all 100,000 preferred shares outstanding after the reported transaction.

How many RDGT Series A Preferred Shares were purchased in this Form 4?

The Form 4 shows a purchase of 100,000 Series A Preferred Shares of Ridgetech Inc. Following this transaction, the reporting person directly holds 100,000 Series A Preferred Shares, all associated with the same transaction date of July 16, 2026.

What is the conversion ratio of RDGT Series A Preferred Shares to ordinary shares?

Each RDGT Series A Preferred Share is convertible into one ordinary share on a one-for-one basis. Conversion can occur at any time at the option of the holder and automatically in certain circumstances described in the applicable Statement of Rights.

What payment is required when RDGT Series A Preferred Shares are converted?

On conversion, the holder must pay a cash “top-up payment” equal to any excess of the aggregate par value of the ordinary shares issuable over the aggregate par value of the Series A Preferred Shares being converted, as provided in the Statement of Rights.

Are RDGT Series A Preferred Shares convertible automatically in some cases?

Yes. The Series A Preferred Shares are convertible into ordinary shares at any time at the holder’s option and automatically in certain other circumstances, as specified in the Statement of Rights applicable to the Series A Preferred Shares.

Does this RDGT Form 4 indicate use of a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmed, and the transaction is reported simply as a purchase of Series A Preferred Shares, with no additional trading plan details provided in the structured data.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Kong Lingtao

(Last) (First) (Middle)

5/F, BLDG 6, NO. 100, 18TH STREET

BAIYANG SUBDISTRICT, QIANTANG DISTRICT

(Street)

HANGZHOU CITY ZHEJIANG PROVINCE 310008

(City) (State) (Zip)

CHINA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ridgetech Inc. [ RDGT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Shares	(1)	07/16/2026		P		100,000		(1)	(1)	Ordinary Shares	100,000	(2)	100,000	D

Explanation of Responses:

1. The Series A Preferred Shares are convertible into ordinary shares on a one-for-one basis at any time at the option of the holders thereof and automatically in certain other circumstances as set forth in the Statement of Rights applicable to the Series A Preferred Shares.

2. Holder is required to pay a cash "top-up payment" equal to any excess of the aggregate par value of the ordinary shares issuable upon conversion over the aggregate par value of the Series A Preferred Shares being converted, as provided in the Statement of Rights applicable to the Series A Preferred Shares.

	/s/ Lingtao Kong	07/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)