Azenta CEO has 1,456 shares withheld for taxes

Azenta, Inc. reported that 1,456 common shares were withheld from Interim CEO Martin D. Madaus on September 22, 2026, to satisfy tax withholding obligations arising from the vesting and settlement of 3,055 restricted stock units.

Rhea-AI Filing Summary

Azenta, Inc. reported that 1,456 common shares were withheld from Interim CEO Martin D. Madaus on September 22, 2026, to satisfy tax withholding obligations arising from the vesting and settlement of 3,055 restricted stock units. The transaction was not a market sale. Madaus directly held 42,602 shares afterward, and no Rule 10b5-1 plan is reported.

Insider Trade Summary

Tax Withholding: 1,456 shares

Tax Withholding 1 txn

Insider Madaus Martin D

Role Interim CEO

Type	Security	Shares	Price	Value
Tax Withholding	Common F1	1,456	$34.28	$50K

Holdings After Transaction: Common — 42,602 shares (Direct)

Footnotes (1)

1. F1. Shares withheld by the Company to satisfy tax withholding obligations arising from the vesting and settlement on September 22, 2026, of 3,055 restricted stock units held by the Reporting Person. This transaction does not represent a sale of securities by the Reporting Person in the market.

Key Figures

Shares withheld: 1,456 shares Reported price per share: $34.28 per share Restricted stock units: 3,055 restricted stock units +1 more

4 metrics

Shares withheld 1,456 shares September 22, 2026

Reported price per share $34.28 per share Withholding transaction on September 22, 2026

Restricted stock units 3,055 restricted stock units Vested and settled on September 22, 2026

Direct shares after transaction 42,602 shares Following the September 22, 2026 transaction

Key Terms

tax withholding obligations, restricted stock units, vesting and settlement, Rule 10b5-1 plan

4 terms

tax withholding obligations financial

"satisfy tax withholding obligations"

restricted stock units financial

"vesting and settlement of 3,055 restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting and settlement financial

"arising from the vesting and settlement"

Rule 10b5-1 plan regulatory

"no Rule 10b5-1 plan is reported"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

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

What AZTA insider transaction did Interim CEO Martin D. Madaus report?

On September 22, 2026, 1,456 common shares were withheld to satisfy tax withholding obligations arising from the vesting and settlement of restricted stock units.

Was the AZTA share withholding a market sale?

No. The transaction's footnote states that the shares were withheld by the company for tax obligations and that the transaction did not represent a sale of securities by Madaus in the market.

How many AZTA shares did Martin D. Madaus hold after the transaction?

Madaus directly held 42,602 shares following the transaction.

How many restricted stock units were settled in the AZTA transaction?

3,055 restricted stock units vested and settled on September 22, 2026, giving rise to the tax withholding obligations.

What per-share price was reported for the AZTA withholding transaction?

The reported price was $34.28 per share.

Was the AZTA transaction reported under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported for the transaction.

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

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Available on EDGAR 09/23/2026 - 10:25 AM Accepted by SEC EDGAR 09/23/2026 - 10:24 AM Learn about SEC filing dates

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^*

Madaus Martin D

(Last) (First) (Middle)

C/O AZENTA, INC.

200 SUMMIT DRIVE, 6TH FLOOR

(Street)

BURLINGTON MASSACHUSETTS 01803

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Azenta, Inc. [ AZTA ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/22/2026

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
Common	09/22/2026		F		1,456(1)	D	$34.28	42,602	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. Shares withheld by the Company to satisfy tax withholding obligations arising from the vesting and settlement on September 22, 2026, of 3,055 restricted stock units held by the Reporting Person. This transaction does not represent a sale of securities by the Reporting Person in the market.

Remarks:

	/s/Ephraim Starr, Attorney-in-fact for Martin Madaus	09/23/2026
	** 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)