Major SCI Engineered Materials (SCIA) holder files 13D, signaling active engagement

Rhea-AI Filing Summary

SCI Engineered Materials, Inc. shareholder Charles Kohnen has filed a Schedule 13D reporting an 8.12% stake in the company. He beneficially owns 364,000 common shares, based on 4,483,407 shares outstanding as of February 16, 2026. Of these, he holds sole voting and dispositive power over 316,000 shares and shares voting and dispositive power over 48,000 shares with his wife, Angela Kohnen.

Kohnen acquired all 364,000 shares as a private investor using personal funds in open-market purchases, without borrowing. He previously reported his position on Schedule 13G but now reports on Schedule 13D after beginning active communications with the board, management, other stockholders, and relevant parties about the company’s operations, governance, strategy, and capitalization. He indicates he may buy or sell shares, propose operational or governance changes, or pursue other actions described in the Schedule 13D instructions, depending on his ongoing evaluation of the company and market conditions.

Insights

Governance and shareholder-activism analyst

8.12% holder shifts from passive to engaged, opening path for potential governance or strategic proposals.

Charles Kohnen now reports his 364,000-share stake, or 8.12% of SCI Engineered Materials, on Schedule 13D instead of 13G. He states the shares were bought with personal funds in open-market transactions and previously were held for investment without intent to influence control.

The filing notes he is engaging with the board, management, other stockholders, and relevant parties about operations, governance, strategic opportunities, and capitalization. It explicitly contemplates possibilities such as acquiring or disposing of more shares and proposing changes in these areas, consistent with the range of actions described in Item 4 instructions.

Actual impact will depend on any specific proposals or transactions he pursues and how other shareholders and the board respond. Future company communications and regulatory filings may provide detail on any concrete governance or strategic changes arising from this engagement.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

SCI Engineered Materials, Inc.

(Name of Issuer)

Common Stock, no par value

(Title of Class of Securities)

78402S108

(CUSIP Number)

Charles Kohnen
5424 Spice Bush Court,
Dayton, OH, 45429
937-681-6848

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

02/19/2026

(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

CUSIP No. 78402S108

1

Name of reporting person

Charles Kohnen

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

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)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 316,000.00
8	Shared Voting Power 48,000.00
9	Sole Dispositive Power 316,000.00
10	Shared Dispositive Power 48,000.00

11

Aggregate amount beneficially owned by each reporting person

364,000.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

8.12 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Note to Rows (8) and (10): The Reporting Person shares voting and dispositive power over 48,000 shares of the Issuer's common stock with his wife, Angela Kohnen. Note to Row (13): Percentage ownership is based on 4,483,407 shares of common stock outstanding as of February 16, 2026, as reported by the Issuer in its Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the Securities and Exchange Commission on February 17, 2026.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, no par value
(b)	Name of Issuer: SCI Engineered Materials, Inc.
(c)	Address of Issuer's Principal Executive Offices: 2839 Charter Street, Columbus, OHIO , 43228.
Item 2.	Identity and Background
(a)	This Schedule 13D is being filed by Charles Kohnen. Mr. Kohnen is sometimes referred to herein as the "Reporting Person."
(b)	Mr. Kohnen's address is: 5424 Spice Bush Court, Dayton, Ohio 45429
(c)	Mr. Kohnen's principal occupation is private investor.
(d)	During the last five years, Mr. Kohnen has not been convicted of a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, Mr. Kohnen has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction resulting in a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activity subject to, federal or state securities laws or finding any violations with respect to such laws.
(f)	Mr. Kohnen is a citizen of the United States.
Item 3.	Source and Amount of Funds or Other Consideration
	Mr. Kohnen has acquired an aggregate of 364,000 shares of the Issuer's common stock (sometimes referred to herein as the "Shares"). Mr. Kohnen acquired the Shares with personal funds, in open market transactions at prevailing prices. No funds were borrowed or obtained from any third party in connection with the acquisition of the securities.
Item 4.	Purpose of Transaction
	Mr. Kohnen purchased the Common Shares described herein for investment purposes, in his regular course of business, and without the intent of changing or influencing control of the Issuer. Accordingly, Mr. Kohnen has previously reported his beneficial ownership of the Shares on Schedule 13G. As with his other investments, Mr. Kohnen continuously evaluates the Issuer, its business, prospects and general market conditions. Mr. Kohnen is in the process of engaging in communications with the Issuer's Board of Directors (the "Board"), management, other stockholders, and other relevant parties regarding the Issuer's operations, governance, strategic opportunities and other matters. These evaluations and discussions may materially affect, and result in Mr. Kohnen: (1) acquiring or disposing of Shares, whether through open-market transactions, privately negotiated transactions or otherwise; (2) proposing changes in the Issuer's operations, business, governance or capitalization; or (3) pursuing one or more of the other actions described in any of the matters referred to in paragraphs (a) through (j), inclusive, of the instructions to Item 4 of Schedule 13D.
Item 5.	Interest in Securities of the Issuer
(a)	The Reporting Person is currently the beneficial owner of 364,000 shares of common stock of the Issuer, representing approximately 8.12% of the Issuer's common stock (based on 4,483,407 shares of Common Stock outstanding as of February 16, 2026, as reported by the Issuer in its Annual Report on Form 10-K for the year ended December 31, 2025, as filed with the Securities and Exchange Commission on February 17, 2026).
(b)	The Reporting Person has sole voting and dispositive power over 316,000 of the Shares identified in response to Item 5(a) above. The Reporting Person shares voting and dispositive power with his wife, Angela Kohnen, over 48,000 Shares identified in response to Item 5(a) above
(c)	The Reporting Person has not effected any transaction involving shares of Common Stock of the Issuer during the past 60 days.
(d)	The Reporting Person's spouse has the right to receive and the power to direct the receipt of dividends from, and sales proceeds of, 48,000 shares of Common Stock owned jointly by the Reporting Person and his spouse. Other than as set forth in this Item 5(d), no other person other than Mr. Kohnen has the sole right to receive or the power to direct the receipt of dividends from, and sales proceeds of, the shares of Common Stock
(e)	Not applicable
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	To the knowledge of the Reporting Person, except for the matters described in this Schedule 13D, there is no contract, arrangement, understanding or relationship (legal or otherwise) between the Reporting Person and any other person with respect to any securities of the Issuer.
Item 7.	Material to be Filed as Exhibits.
	Not applicable.

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.

Charles Kohnen

Signature:	/s/ Charles Kohnen
Name/Title:	Reporting Person
Date:	02/19/2026

FAQ

How many SCI Engineered Materials (SCIA) shares does Charles Kohnen own?

Charles Kohnen beneficially owns 364,000 shares of SCI Engineered Materials common stock. This represents about 8.12% of the company’s outstanding shares, based on 4,483,407 shares reported outstanding as of February 16, 2026.

Why did Charles Kohnen file a Schedule 13D for SCI Engineered Materials (SCIA)?

He filed a Schedule 13D after previously reporting on Schedule 13G, reflecting a move from purely passive ownership. The filing states he is engaging with the board, management, stockholders, and others regarding operations, governance, strategy, and capitalization.

What percentage of SCI Engineered Materials (SCIA) does Charles Kohnen control?

The filing states that Charles Kohnen beneficially owns approximately 8.12% of SCI Engineered Materials’ common stock. This percentage is calculated using 4,483,407 shares outstanding as of February 16, 2026, as reported in the company’s Form 10-K.

How did Charles Kohnen acquire his SCI Engineered Materials (SCIA) shares?

According to the disclosure, Charles Kohnen acquired an aggregate of 364,000 shares using personal funds. The shares were purchased in open-market transactions at prevailing prices, and no funds were borrowed from any third party to make these acquisitions.

Does Charles Kohnen share voting power over any SCI Engineered Materials (SCIA) shares?

Yes. The filing explains he has sole voting and dispositive power over 316,000 shares and shared voting and dispositive power over 48,000 shares with his wife, Angela Kohnen. Those 48,000 shares are owned jointly by the reporting person and his spouse.

Has Charles Kohnen traded SCI Engineered Materials (SCIA) stock recently?

The document states that the reporting person has not effected any transaction in SCI Engineered Materials common stock during the past 60 days. His current reported beneficial ownership is therefore unchanged over that period, based on the filing’s disclosure.

What actions might Charles Kohnen consider regarding SCI Engineered Materials (SCIA)?

The filing notes that, after evaluating the company and market conditions, he may buy or sell shares, propose changes in operations, business, governance, or capitalization, or pursue other actions described in paragraphs (a) through (j) of Item 4 instructions to Schedule 13D.