[Form 4] Old Dominion Freight Line Insider Trading Activity

Rhea-AI Filing Summary

On June 26, 2025, Quanterix Corporation (QTRX) filed an 8-K to announce logistics for its 2025 Annual Meeting of Stockholders. The meeting will be held virtually on September 23, 2025 at 9:00 a.m. ET. Because the meeting date falls more than 30 days after the 2024 meeting anniversary, the company has reset key shareholder deadlines:

• Rule 14a-8 proposals must be received by the corporate secretary by July 11, 2025.
• Bylaw-based business or director nominations (outside Rule 14a-8) also require written notice by July 11, 2025.
• Universal proxy notification (Rule 14a-19) is due by July 25, 2025.

No financial results, strategic transactions or operational updates were disclosed. The filing is procedural, ensuring compliance with SEC rules and providing investors sufficient time to submit proposals or nominations.

Insights

Corporate Governance Expert

TL;DR: Date shift resets proxy & nomination deadlines; procedural, not value-changing.

The 8-K is purely administrative. By moving the annual meeting to September 23, Quanterix triggers new SEC and bylaw deadlines. The company explicitly sets July 11 for Rule 14a-8 and bylaw notices, and July 25 for universal proxy compliance. This timely notice mitigates any potential governance disputes and aligns with best-practice transparency but has no direct financial impact. Investors who plan activism must act within the shortened window; otherwise, status quo prevails.

Securities Analyst

TL;DR: Neutral 8-K; no earnings or strategic data, minimal trading impact.

From a market perspective, the disclosure neither alters cash flow expectations nor changes risk profile. It simply informs of scheduling and procedural deadline changes. Liquidity, guidance and competitive outlook remain untouched. Trading volumes are unlikely to react materially; governance-focused investors may note the earlier deadlines, but fundamental valuation for QTRX should remain unchanged.

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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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^*

Gantt Greg C

(Last) (First) (Middle)

C/O OLD DOMINION FREIGHT LINE, INC.

500 OLD DOMINION WAY

(Street)

THOMASVILLE NC 27360

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OLD DOMINION FREIGHT LINE, INC. [ ODFL ]

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)
07/01/2025

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	07/01/2025		M		350	A	(1)	117,622	D
Common Stock	07/01/2025		M		480	A	(1)	118,102	D
Common Stock	07/01/2025		M		708	A	(1)	118,810	D
Common Stock	07/01/2025		F		636	D	$162.3	118,174	D
Common Stock								268	I	By spouse 401(k) plan

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
Phantom Stock (2015 grant)	(1)	07/01/2025		M			350(2)	07/01/2025	07/01/2025	Common Stock	350(2)	(1)	1,738(2)	D
Phantom Stock (2014 grant)	(1)	07/01/2025		M			480(2)	07/01/2025	07/01/2025	Common Stock	480(2)	(1)	2,408(2)	D
Phantom Stock (2013 grant)	(1)	07/01/2025		M			708(2)	07/01/2025	07/01/2025	Common Stock	708(2)	(1)	3,540(2)	D

Explanation of Responses:

1. Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025.

2. Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020.

	/s/ Greg C. Gantt	07/01/2025
	** 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

When will Quanterix (QTRX) hold its 2025 Annual Meeting?

September 23, 2025 at 9:00 a.m. ET, conducted virtually.

What is the new deadline for Rule 14a-8 shareholder proposals to Quanterix?

Proposals must reach the corporate secretary by July 11, 2025.

By when must Quanterix investors submit director nominations outside Rule 14a-8?

Written notice, with all bylaw-required information, is also due by July 11, 2025.

What is the deadline for universal proxy (Rule 14a-19) notifications for QTRX?

Stockholders intending to solicit alternate director proxies must notify the company by July 25, 2025.

Does the 8-K include any financial or earnings information for Quanterix?

No. The filing is limited to meeting logistics and shareholder deadline revisions.