Energy Holding Corp boosts Tecnoglass (TGLS) stake with 306,666-share buy

Rhea-AI Filing Summary

Energy Holding Corp, a 10% owner of Tecnoglass Inc., reported three open-market purchases of Tecnoglass ordinary shares. Over March 9–11, 2026, it bought a total of 306,666 shares, increasing its direct holdings to 20,516,756 shares.

The purchases were executed at weighted average prices of $41.064, $43.413, and $44.240 per share on each respective day. Footnotes state that each day’s trades were broken into multiple transactions within disclosed price ranges, with detailed breakdowns available on request.

Insights

Insider trading analyst

Large shareholder made sizeable, multi-day open-market share purchases.

Energy Holding Corp, identified as a more‑than‑10% owner of Tecnoglass, executed three open‑market purchases totaling 306,666 ordinary shares. Reported weighted average prices rose from $41.064 on March 9, 2026 to $44.240 on March 11, 2026.

Following these transactions, Energy Holding Corp directly owns 20,516,756 shares, indicating a substantial ongoing position. The filing characterizes all transactions as standard open‑market purchases, with no derivatives involved and no concurrent sales reported in this data.

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
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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^*

Energy Holding Corp

(Last) (First) (Middle)

AVENIDA CIRCUNVALAR A 100 MTS DE LA VIA

BARRIO LAS FLORES

(Street)

BARRANQUILLA F8 080001

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Tecnoglass Inc. [ TGLS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/09/2026

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

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

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

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
Ordinary Shares	03/09/2026		P		107,000	A	$41.064(1)	20,317,090	D
Ordinary Shares	03/10/2026		P		107,600	A	$43.413(2)	20,424,690	D
Ordinary Shares	03/11/2026		P		92,066	A	$44.24(3)	20,516,756	D

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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $41.66 to $40.25 per share. The reporting person undertakes to provide to Tecnoglass Inc., any security holder of Tecnoglass Inc,. or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

2. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $44.19 to $41.75 per share. The reporting person undertakes to provide to Tecnoglass Inc., any security holder of Tecnoglass Inc,. or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

3. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $44.69 to $42.53 per share. The reporting person undertakes to provide to Tecnoglass Inc., any security holder of Tecnoglass Inc,. or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price.

	/s/ Joaquin Fernandez	03/11/2026
	** 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).
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FAQ

How many Tecnoglass (TGLS) shares did Energy Holding Corp buy?

Energy Holding Corp bought a total of 306,666 Tecnoglass ordinary shares in open-market transactions. These purchases occurred over three days and increased its already large ownership stake in the company to 20,516,756 shares held directly after the last reported trade.

On what dates did Energy Holding Corp purchase Tecnoglass (TGLS) shares?

Energy Holding Corp purchased Tecnoglass ordinary shares on March 9, 10, and 11, 2026. Each date reflects a separate open-market transaction with its own reported weighted average price and updated post-transaction share balance in the insider’s direct holdings.

What prices did Energy Holding Corp pay for Tecnoglass (TGLS) shares?

Energy Holding Corp reported weighted average purchase prices of $41.064, $43.413, and $44.240 per Tecnoglass share. Footnotes explain these averages reflect multiple trades each day within disclosed price ranges, with full breakdowns available to interested shareholders upon request.

How many Tecnoglass (TGLS) shares does Energy Holding Corp own after these trades?

After the latest reported transaction, Energy Holding Corp directly owns 20,516,756 Tecnoglass ordinary shares. This figure reflects its updated position following the March 11, 2026 open-market purchase and demonstrates its status as a significant more-than-10% shareholder.

Were Energy Holding Corp’s Tecnoglass (TGLS) trades open-market purchases or other types of transactions?

All reported Tecnoglass transactions by Energy Holding Corp are coded as open-market purchases. The Form 4 classifies them with transaction code P, described as purchases in open market or private transactions, with no derivative exercises or sales reported in this dataset.