Jazz Pharma exec uses 1,427 shares for taxes

Jazz Pharmaceuticals plc (JAZZ) reported that officer Mary Elizabeth Henderson, Senior Vice President of Technical Operations, disposed of ordinary shares on September 8, 2026 to cover tax obligations from vesting restricted stock units.

Rhea-AI Filing Summary

Jazz Pharmaceuticals plc (JAZZ) reported that officer Mary Elizabeth Henderson, Senior Vice President of Technical Operations, disposed of ordinary shares on September 8, 2026 to cover tax obligations from vesting restricted stock units. A total of 1,427 shares were delivered or withheld for payment of tax liability, and no Rule 10b5-1 trading plan is reported.

Insider Trade Summary

Tax Withholding: 1,427 shares

Tax Withholding 2 txns

Insider Henderson Mary Elizabeth

Role SVP, Technical Operations

Type	Security	Shares	Price	Value
Tax Withholding	Ordinary Shares F1	1,412	$243.0299	$343K
Tax Withholding	Ordinary Shares F1	15	$241.20	$4K

Holdings After Transaction: Ordinary Shares — 23,815 shares (Direct)

Footnotes (1)

1. F1. Shares sold to satisfy tax obligations arising out of the vesting of previously granted restricted stock units.

Key Figures

Shares delivered or withheld for tax liability: 1,427 shares Tax-related disposition block 1: 1,412 shares at $243.0299 per share Tax-related disposition block 2: 15 shares at $241.20 per share

3 metrics

Shares delivered or withheld for tax liability 1,427 shares Total ordinary shares disposed of on September 8, 2026 for tax obligations

Tax-related disposition block 1 1,412 shares at $243.0299 per share Ordinary shares delivered or withheld on September 8, 2026

Tax-related disposition block 2 15 shares at $241.20 per share Additional ordinary shares delivered or withheld on September 8, 2026

Key Terms

restricted stock units, tax obligations, Ordinary Shares

3 terms

restricted stock units financial

"vesting of previously granted 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.

tax obligations financial

"Shares sold to satisfy tax obligations arising out of the vesting"

Ordinary Shares financial

"Ordinary Shares reported as disposed of on September 8, 2026"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

FAQ

What insider activity did JAZZ disclose for Mary Elizabeth Henderson?

Jazz Pharmaceuticals disclosed that Mary Elizabeth Henderson, Senior Vice President of Technical Operations, had 1,427 ordinary shares disposed of on September 8, 2026 to satisfy tax obligations from vesting restricted stock units.

How many Jazz Pharmaceuticals (JAZZ) shares were used to cover Henderson’s tax obligations?

A total of 1,427 ordinary shares of Jazz Pharmaceuticals were delivered or withheld for payment of tax liability, consisting of 1,412 shares at $243.0299 per share and 15 shares at $241.20 per share.

Was the JAZZ insider transaction by Mary Elizabeth Henderson a market sale?

The filing describes the disposition as payment of tax liability by delivering or withholding securities related to vested restricted stock units, rather than a discretionary open-market sale.

Did Mary Elizabeth Henderson use a Rule 10b5-1 plan for the JAZZ share disposition?

No. The filing indicates that no Rule 10b5-1 trading plan is reported for the September 8, 2026 tax-related share disposition.

What equity awards triggered the tax-related share disposition at JAZZ?

The footnote states that the shares were sold to satisfy tax obligations arising out of the vesting of previously granted restricted stock units held by Mary Elizabeth Henderson.

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

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Available on EDGAR 09/10/2026 - 04:29 PM Accepted by SEC EDGAR 09/10/2026 - 04:28 PM 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^*

Henderson Mary Elizabeth

(Last) (First) (Middle)

5TH FL, WATERLOO EXCHANGE

WATERLOO RD

(Street)

DUBLIN 4

(City) (State) (Zip)

IRELAND

(Country)

2. Issuer Name and Ticker or Trading Symbol
Jazz Pharmaceuticals plc [ JAZZ ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Technical Operations

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/08/2026

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
Ordinary Shares	09/08/2026		F(1)		1,412	D	$243.0299	23,830	D
Ordinary Shares	09/08/2026		F(1)		15	D	$241.2	23,815	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 sold to satisfy tax obligations arising out of the vesting of previously granted restricted stock units.

	By: /s/Paz Dizon, as attorney in fact For: Mary Elizabeth Henderson	09/10/2026
	** 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)