STOCK TITAN

Lantheus Holdings, Inc Form 4 Filings

LNTH NASDAQ

Every Form 4 that Lantheus Holdings, Inc (LNTH) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow LNTH and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full LNTH filings page.

Rhea-AI Summary

Lantheus Holdings, Inc. (LNTH) reported that its Chief Financial Officer and Treasurer, Robert J. Marshall Jr., had 721 shares of common stock disposed of on August 31, 2026, as a payment of exercise price or tax liability by delivering or withholding securities at a reported price of $100.96 per share. Following this transaction, he directly held 122,071 shares of Lantheus common stock.

Rhea-AI Summary

Lantheus Holdings, Inc. (LNTH) reported that Ludger Dinkelborg, Head of Research and Development, had 2,536 shares of common stock withheld on 2026-08-17 to cover the exercise price or tax liability, at a reference price of $100.91 per share. After this Form 4 transaction, he directly holds 33,195 shares of Lantheus common stock. The transaction was not reported as being made under a Rule 10b5-1 trading plan.

Rhea-AI 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.

Rhea-AI Summary

Lantheus Holdings, Inc. director Gerard Ber reported a small tax-related share disposition. On May 14, 2026, 381 shares of common stock were disposed of at $96.67 per share to satisfy a tax obligation by delivering shares rather than cash.

After this tax-withholding transaction, Ber directly held 27,118 shares of Lantheus common stock. This type of Form 4 event reflects administrative handling of taxes on equity compensation rather than an open-market sale decision.

Rhea-AI Summary

Lantheus Holdings Executive Chair and CEO Mary Anne Heino reported routine equity activity involving company common stock. The only transactional entry shows 1,227 shares of common stock were disposed of as a tax-withholding disposition at $96.67 per share, meaning shares were withheld to satisfy tax obligations rather than sold in the open market.

After this event, Heino directly holds 321,897 shares of Lantheus Holdings common stock. She also has indirect ownership through several trusts, including 179,300 shares held by The Heino 2024 Family Trust, 8,618 shares held by the Heino Irrevocable Trust, and 78,153 shares held by The Mary Anne Fennell Heino Revocable Trust - 2018.

Rhea-AI Summary

Lantheus Holdings director Julie McHugh received a stock grant of 4,137 shares of Common Stock. The shares were acquired as a grant or award at a stated price of $0.0000 per share, indicating compensation rather than an open-market purchase. After this award, she directly owns 30,099 shares of Lantheus Holdings common stock.

Rhea-AI Summary

Morrow Phuong Khanh reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings, Inc. director Phuong Khanh Morrow received a grant of 4,137 shares of Common Stock on May 14, 2026 as a compensation-related award. The filing shows no purchase price for this grant, indicating it was awarded rather than bought in the market. After this transaction, Morrow directly holds 7,237 shares of Lantheus common stock.

Rhea-AI Summary

Lantheus Holdings director Maeusli Heinz Christoph received a stock grant of 4,137 common shares as compensation. The shares were acquired at no cash cost per share and are held directly. After this award, Christoph beneficially owns 30,014 shares of Lantheus Holdings common stock.

Rhea-AI Summary

LENO SAM R reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings director Sam R. Leno reported an equity award of 4,137 shares of common stock. The shares were granted at a price of $0.00 per share as a compensation-related award, not an open-market trade. Following this grant, his direct holdings increased to 67,246 common shares.

Rhea-AI Summary

Pruden Gary J reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings director Gary J. Pruden reported an equity compensation grant on Common Stock. He received 4,137 shares as a grant or award at $0.00 per share, bringing his directly held stake to 6,674 shares.

In addition, the filing lists indirect holdings of Common Stock held through the Georgeane Pruden Revocable Trust with 8,449 shares and the Gary J. Pruden Revocable Trust with 14,613 shares as of the same date.

Rhea-AI Summary

Baylor-Henry Minnie reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings, Inc. director Minnie Baylor-Henry received a grant of 4,137 shares of common stock as a compensation-related award at a stated price of $0.00 per share. After this award, she holds 14,018 shares directly, plus 16 shares held indirectly through her spouse's IRA.

Rhea-AI Summary

Ber Gerard reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings, Inc. director Gerard Ber received a grant of 4,137 shares of Common Stock on May 14, 2026. The shares were awarded at a price of $0.00 per share, indicating a compensation-related stock award rather than an open-market purchase. Following this grant, Ber directly holds 27,499 shares of Lantheus common stock.

Rhea-AI Summary

Thrall James H reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings director James H. Thrall received a grant of 4,137 shares of common stock on May 14, 2026. The shares were awarded at a reported price of $0.00 per share, indicating a compensation-related equity grant rather than an open-market purchase. After this award, Thrall directly holds 39,881 common shares of Lantheus Holdings.

Rhea-AI Summary

Lantheus Holdings, Inc. director Julia Marie Eastland received an equity award of 4,137 shares of common stock on May 14, 2026. The shares were granted at no cash cost per share, reflecting stock-based compensation rather than an open-market purchase. Following this grant, she directly holds 8,019 common shares. This filing records a routine compensation-related acquisition rather than a discretionary buy or sale in the market.

Rhea-AI Summary

Lantheus Holdings, Inc. executive Daniel Niedzwiecki reported a small tax-related share disposition. On April 17, 2026, 1,911 shares of Common Stock were delivered at $83.82 per share to satisfy tax obligations, a non-market transaction. Following this, he directly owned 117,465 shares, indicating the move was a routine withholding rather than an open-market sale.

Rhea-AI Summary

Lantheus Holdings, Inc. officer Daniel Niedzwiecki received an equity award of 36,692 shares of common stock on March 5, 2026 at a stated price of $0.00 per share. This consists of 18,346 restricted stock units that vest in equal installments over three years and 18,346 performance-based PSUs that cliff vest after a three-year performance period, with the final PSU amount adjustable between 0% and 200% of target based on performance. On the same date, 1,283 shares were disposed of at $76.31 per share to cover taxes, leaving him with 119,376 shares of common stock held directly following these transactions.

Rhea-AI Summary

Dinkelborg Ludger reported acquisition or exercise transactions in this Form 4 filing.

Lantheus Holdings executive Ludger Dinkelborg received an equity award of 20,966 shares of common stock on March 5, 2026 at no purchase cost. After this grant, his directly held common stock totaled 35,731 shares.

The award consists of 10,483 restricted stock units that vest in equal installments over three years and 10,483 Total Shareholder Return performance-based restricted stock units that cliff vest after a three-year performance period. The performance-based units can ultimately settle at 0% to 200% of the target amount depending on results.

Rhea-AI Summary

Lantheus Holdings CFO Robert J. Marshall Jr. reported equity awards and related tax withholding in company stock. He acquired 38,002 shares of common stock on March 5, 2026 at a stated price of $0.00 per share as a grant or award.

The award consists of 19,001 restricted stock units that vest in equal installments over three years and 19,001 Total Shareholder Return performance-based restricted stock units that cliff vest after a three-year performance period, with the final PSU award ranging from 0% to 200% of the target. On the same date, 1,182 shares were disposed of at $76.31 per share to cover tax obligations, leaving him with 122,792 directly owned shares of common stock after these transactions.

Rhea-AI Summary

Lantheus Holdings, Inc. Chief Accounting Officer Kimberly Brown reported equity compensation and a related tax-withholding transaction in common stock. On March 5, 2026, she acquired 6,158 shares at $0.00 per share as a grant, consisting of 3,079 restricted stock units vesting over three years and 3,079 performance-based PSUs that cliff vest after a three-year performance period, with the final PSU amount ranging from 0% to 200% of target based on results. On the same date, 133 shares were disposed of at $76.31 per share for tax withholding. Following these transactions, she directly owned 13,726 common shares.

Rhea-AI Summary

Lantheus Holdings, Inc. Chief Commercial Officer Amanda Michelle Morgan reported equity compensation and related tax withholding transactions in company common stock. She received a grant of 26,208 shares at no cost, consisting of 13,104 restricted stock units and 13,104 performance-based PSUs that vest over a three-year period.

The Form 4 also shows a disposition of 595 shares at $76.31 per share to satisfy tax obligations through share withholding, not an open-market sale. After these transactions, she directly holds 64,153 shares of Lantheus common stock.

Rhea-AI Summary

Lantheus Holdings, Inc. reported that officer Daniel Niedzwiecki received 5,169 shares of common stock on March 2, 2026 at no cost, reflecting additional shares from performance-based PSUs that vested above target. On the same date, 8,259 shares were disposed of at $76.30 per share to cover tax obligations, leaving him with 83,967 directly held shares.

Rhea-AI Summary

Lantheus Holdings Chief Commercial Officer Amanda Michelle Morgan reported performance-based stock vesting and related tax share withholding. She acquired 2,782 shares of common stock at no cost from relative total shareholder return PSUs that vested above target. According to the footnote, these PSUs ultimately vested at 162.8% of the target number of shares, so this grant represents the additional shares above the original target previously reported.

On the same date, 3,336 shares of common stock were disposed of at $76.30 per share in a tax-withholding transaction to cover obligations arising from the vesting, rather than an open-market sale. After these transactions, Morgan directly holds 38,540 shares of Lantheus common stock.

Rhea-AI Summary

Lantheus Holdings CFO and Treasurer Robert J. Marshall Jr. reported two common stock transactions on March 2, 2026. He acquired 8,491 shares at $0.00 per share as a grant or award, increasing his direct holdings to 96,624 shares.

On the same date, he disposed of 10,652 shares of common stock at $76.30 per share in a tax-withholding transaction to cover obligations arising from equity awards, leaving him with 85,972 directly held shares. A footnote explains that the additional shares issued resulted from performance-based PSUs that vested at 162.8% of their target.

Rhea-AI Summary

Lantheus Holdings Executive Chair and CEO Mary Anne Heino reported a mix of equity award vesting and share withholding for taxes. She acquired 32,105 shares of common stock at $0 per share from the vesting of performance-based restricted stock units tied to relative total shareholder return, after the award paid out at 162.8% of its target.

To cover tax obligations on this vesting, 41,916 shares of common stock were disposed of at $76.30 per share through share withholding, a non-open-market transaction. After these transactions, she directly owns 323,124 common shares.

Rhea-AI Summary

Lantheus Holdings’ Chief Commercial Officer reported small changes in personal ownership of the company’s common stock related to transactions on December 15, 2024 and December 15, 2025. The transactions, each coded "F," involved the disposition of 356 shares at $93.48 and 368 shares at $66.57.

After the December 2024 transaction, the officer beneficially owned 25,055 shares. After the December 2025 transaction, beneficial ownership increased to 39,094 shares, which includes 143 shares acquired under the LNTH employee stock purchase plan on March 13, 2025, and 95 shares acquired under the same plan on September 12, 2025.

Rhea-AI Summary

Lantheus Holdings, Inc. (LNTH) reported an insider equity award for a director and Executive Chair. On November 17, 2025, the reporting person received 14,285 restricted stock units that will vest in full on November 17, 2026. The filing shows direct ownership of 332,935 shares of common stock after this grant, plus additional indirect holdings through several trusts.

The insider also received a stock option covering 26,325 shares of Lantheus common stock with an exercise price of $52.50 per share. This option vests in full on November 17, 2026 and expires on November 17, 2035. Following this transaction, the reporting person beneficially owns 26,325 stock options in addition to the reported common stock positions.