Geospace Technologies (GEOS) director adds 3,500 shares, now holds 43,000

Rhea-AI Filing Summary

Geospace Technologies director acquires additional common shares. Director Edgar R. Giesinger Jr. reported acquiring 3,500 shares of Geospace Technologies Corp. common stock on February 9, 2026, at a stated price of $0 per share. Following this transaction, he directly holds 43,000 common shares of the company.

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

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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^*

Giesinger Edgar R. JR.

(Last) (First) (Middle)

7007 PINEMONT DR.

(Street)

HOUSTON TX 77040

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
GEOSPACE TECHNOLOGIES CORP [ GEOS ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/09/2026

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
Common Stock	02/09/2026		A		3,500	A	$0	43,000	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:

	/s/ Anthony Eppolito, as Attorney-in-fact	02/09/2026
	** 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.

FAQ

What did Geospace Technologies (GEOS) disclose in this Form 4?

Geospace Technologies reported that director Edgar R. Giesinger Jr. acquired 3,500 shares of common stock. The transaction occurred on February 9, 2026 at a stated price of $0 per share, increasing his directly held position to 43,000 shares.

How many Geospace Technologies (GEOS) shares did the director acquire?

Director Edgar R. Giesinger Jr. acquired 3,500 shares of Geospace Technologies common stock. This Form 4 shows the acquisition as a non-derivative transaction coded “A,” adding to his existing holdings and bringing his direct ownership to 43,000 common shares after the transaction.

What is the director’s total GEOS shareholding after this Form 4 transaction?

After the reported transaction, director Edgar R. Giesinger Jr. directly owns 43,000 shares of Geospace Technologies common stock. This total reflects his holdings immediately following the February 9, 2026 acquisition of 3,500 additional shares at a stated price of $0 per share.

Was the Geospace Technologies (GEOS) Form 4 transaction a purchase or acquisition?

The Form 4 characterizes the event as an acquisition coded “A” of common stock, not an open-market purchase. It reports 3,500 non-derivative shares acquired on February 9, 2026 at a stated price of $0, increasing the director’s direct holdings to 43,000 shares.

Is the Geospace Technologies (GEOS) director’s ownership direct or indirect after this transaction?

The filing shows director Edgar R. Giesinger Jr.’s ownership as direct, marked with “D” in the ownership column. Following the February 9, 2026 acquisition of 3,500 shares, his directly held position in Geospace Technologies common stock totals 43,000 shares according to the report.