STOCK TITAN

Lantheus (LNTH) CAO delivers 463 shares to cover option costs

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Lantheus Holdings, Inc. (LNTH) reported that Chief Accounting Officer Kimberly Brown disposed of 463 shares of common stock on August 17, 2026, as a payment of option exercise price or tax liability by delivering or withholding securities at a reference price of $100.91 per share. Following this administrative transaction, Brown directly holds 13,263 shares of Lantheus common stock.

Positive

  • None.

Negative

  • None.
Insider Brown Kimberly
Role Chief Accounting Officer
Type Security Shares Price Value
Exercise Price or Tax Liability Common Stock 463 $100.91 $47K
Holdings After Transaction: Common Stock — 13,263 shares (Direct)
Shares disposed 463 shares Shares delivered or withheld for payment of exercise price or tax liability on August 17, 2026
Reference price per share $100.91 per share Price associated with the 463-share disposition reported under transaction code F
Shares owned after transaction 13,263 shares Direct holdings of Lantheus common stock by Kimberly Brown following the reported transaction
Exercise price or tax liability shares 463 shares Total shares reported under exercise-price-or-tax-liability disposition in transactionSummary
Form 4 regulatory
"Lantheus Holdings, Inc. (LNTH) reported that Chief Accounting Officer Kimberly Brown"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
exercise price or tax liability financial
"payment of option exercise price or tax liability by delivering or withholding securities"
Chief Accounting Officer other
"reported that Chief Accounting Officer Kimberly Brown disposed of 463 shares"
A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

FAQ

What insider transaction did LNTH officer Kimberly Brown report on this Form 4?

Kimberly Brown reported a disposition of 463 shares of Lantheus common stock. The shares were delivered or withheld to cover option exercise price or tax liability, rather than an open-market purchase or sale.

How many LNTH shares does Kimberly Brown hold after the reported transaction?

After the transaction, Kimberly Brown directly holds 13,263 shares of Lantheus common stock. This figure reflects her post-transaction ownership as disclosed in the Form 4 filing for the August 17, 2026 event.

What was the price used for the 463-share disposition reported for LNTH?

The 463-share disposition was reported at $100.91 per share. This per-share amount is used in the Form 4 as the reference price for the payment of exercise price or tax liability by delivering or withholding securities.

Was the LNTH Form 4 transaction by Kimberly Brown an open-market sale?

No. The Form 4 describes the transaction as payment of exercise price or tax liability by delivering or withholding securities. It is coded as transaction type F, not as an open-market purchase or sale.

Was Kimberly Brown’s LNTH Form 4 transaction under a Rule 10b5-1 plan?

The filing indicates the Rule 10b5-1 checkbox is not selected. This means the reported disposition of 463 shares was not affirmatively identified as being executed pursuant to a Rule 10b5-1 trading plan.

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

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SEC Form 4
FORM 4UNITED 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*
Brown Kimberly

(Last)(First)(Middle)
C/O LANTHEUS HOLDINGS, INC.
201 BURLINGTON ROAD, SOUTH BUILDING

(Street)
BEDFORD MASSACHUSETTS 01730

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Lantheus Holdings, Inc. [ LNTH ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/17/2026F463D$100.9113,263D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Eric M. Green, attorney-in-fact08/19/2026
** Signature of Reporting PersonDate
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)