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See how Context works →On the price, the facts of the public record●Results filed
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Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Oct 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Oct 2, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Sep 21, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record1,04123 flagged findings
Reported transactions (Form 4)80since Mar 4, 2024 · and 11 other holdings
Corporate events (8-K)30since Dec 5, 2022
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
What the company does
Lantheus, headquartered in Billerica, Massachusetts, is a company in the radiopharmaceuticals business. It has strategic partnerships with Bayer, Novartis, Regeneron as well as GE Healthcare and Siemens Healthineers.
Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.
Regulatory history
Topics detected in its SEC reports, with the original excerpt.
Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.
- 2026-05-07share offering or dilution eventrecentOpen filing ↗“…fiscal years. The Company prospectively adopted ASU 2024-04 as of January 1, 2026. The adoption did not have a material impact on…”
+1 more passage from the same document
- “…are generally secured by first priority liens over substantially all of the assets of each of Lantheus Medical, Lantheus Holdings,…”
- 2026-05-07capital return (buybacks/dividends)recentOpen filing ↗“…and commercialize Lantheus’ piflufolastat F-18 PET imaging agent (marketed in the United States as PYLARIFY) in Japan for…”
+1 more passage from the same document
- “…and commercialize Lantheus’ piflufolastat F-18 PET imaging agent (marketed in the United States as PYLARIFY) in Japan for prostate…”
- 2026-05-07merger or acquisition eventrecentOpen filing ↗“…consolidated financial statements herein. Acquisition of Evergreen Theragnostics, Inc. On April 1, 2025, we acquired all the…”
+1 more passage from the same document
- “…Acquisition of Evergreen Theragnostics, Inc. On April 1, 2025, we acquired all the issued and outstanding shares of Evergreen by…”
- 2026-05-07reverse splitrecentOpen filing ↗“…tumors, and an option to co-develop certain early-stage therapeutic candidates targeting prostate cancer using…”
+1 more passage from the same document
- “…of neuroendocrine tumors, and an option to co-develop certain early-stage therapeutic candidates targeting prostate cancer using…”
- 2026-02-26share offering or dilution eventrecentOpen filing ↗“…or prevent a decrease in, the market price of our common stock, although there can be no assurance that an increase, or prevention of…”
+1 more passage from the same document
- “…in a different manner, which could negatively impact the market price of our common stock. The conditional conversion feature…”
- 2026-02-26capital return (buybacks/dividends)recentOpen filing ↗“…and PMF sites to ensure a smooth rollout of the new formulation, including providing clear guidance on ordering, handling, and…”
+1 more passage from the same document
- “…and PMF sites to ensure a smooth rollout of the new formulation, including providing clear guidance on ordering, handling, and…”
- 2026-02-26merger or acquisition eventrecentOpen filing ↗“…Life Molecular to Lantheus Biosciences Ltd. Acquisition of Evergreen Theragnostics, Inc. On April 1, 2025, we acquired all the…”
+1 more passage from the same document
- “…Acquisition of Evergreen Theragnostics, Inc. On April 1, 2025, we acquired all the issued and outstanding shares of Evergreen by…”
- 2026-02-26reverse splitrecentOpen filing ↗“…to Perspective, and the parties entered into a transition services arrangement pursuant to which we provided to Perspective…”
+1 more passage from the same document
- “…to Perspective, and the parties entered into a transition services arrangement pursuant to which we provided to Perspective…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 1,041)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 14, 268-K ↗Current report · Shareholder vote results new
- Oct 2, 26DEFA14A ↗Shareholder meeting and votes
- Oct 2, 268-K ↗Current report · Other events
- Sep 23, 26SCHEDULE 13D/A ↗Stake with intent to influence · amendment
- Sep 21, 26DEFA14A ↗Shareholder meeting and votes
- Sep 21, 268-K ↗Current report · Other events
- Sep 17, 26DEFA14A ↗Shareholder meeting and votes
- Sep 8, 26Form 4 ↗Insider transaction
- Sep 8, 26DEFM14A ↗Shareholder meeting and votes
- Sep 4, 26Form 4 ↗Insider transaction
- Sep 4, 26SCHEDULE 13D/A ↗Stake with intent to influence · amendment
- Sep 4, 26SCHEDULE 13G ↗Passive stake
- Sep 4, 26SCHEDULE 13D ↗Stake with intent to influence
- Aug 26, 26PREM14A ↗Shareholder meeting and votes
- Aug 13, 26DEFA14A ↗Shareholder meeting and votes
- Aug 13, 26SCHEDULE 13G/A ↗Passive stake · Farallon Capital Management, L.L.C. · 8.6% · event on Jun 30, 26 · amendment
- Aug 6, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results
- Aug 4, 26DEFA14A ↗Shareholder meeting and votes
- Aug 4, 26DEFA14A ↗Shareholder meeting and votes
1,041 filings on record, the oldest from Jun 24, 15.
Listing the 25 most recent filings of the 1,041 on record.
4643
- Aug 4, 26Entered a material agreement+2 more in the same filing8-K 1.01 ↗
4 senior executive changes2025 – 2026show all 4hide
- May 1, 26A senior executive left or was appointed+4 more in the same filing8-K 5.02 ↗
- Nov 12, 25A senior executive left or was appointed8-K 5.02 ↗
- Nov 6, 25A senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
- Aug 11, 25A senior executive left or was appointed8-K 5.02 ↗
- Jul 22, 25Completed an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
- Apr 1, 25Completed an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
- Jan 30, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
3 material agreements entered2024 – 2025show all 3hide
- Jan 28, 25Entered a material agreement+3 more in the same filing8-K 1.01 ↗
- Jan 13, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Dec 23, 24Entered a material agreement+2 more in the same filing8-K 1.01 ↗
6 senior executive changes2023 – 2024show all 6hide
- Sep 5, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 24, 24A senior executive left or was appointed8-K 5.02 ↗
- May 15, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Apr 29, 24A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jan 23, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Aug 28, 23A senior executive left or was appointed8-K 5.02 ↗
- May 4, 23Entered a material agreement+1 more in the same filing8-K 1.01 ↗
3 senior executive changes2023show all 3hide
- May 1, 23A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Mar 20, 23A senior executive left or was appointed+1 more in the same filing8-K/A 5.02 ↗
- Mar 17, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Dec 20, 22Completed an acquisition or disposal+2 more in the same filing8-K 2.01 ↗
- Dec 8, 22Entered a material agreement+4 more in the same filing8-K 1.01 ↗
- Dec 5, 22Entered a material agreement+4 more in the same filing8-K 1.01 ↗
The record reaches back to Jun 30, 15.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- Farallon Capital Management, L.L.C.8.6%Jun 30, 26SCHEDULE 13G/A ↗29 co-filers on this document — the figure is the largest single stake, not their sum.
- Dapice Joshua J.8.2%Dec 31, 25SCHEDULE 13G/A ↗31 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
- JANUS HENDERSON GROUP PLC7.4%Mar 31, 26SCHEDULE 13G/A ↗4 earlier filings
- FMR LLC6.5%Sep 30, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
- Vanguard Capital Management5.3%Mar 31, 26SCHEDULE 13G ↗
show 2 more holdershide
- Vanguard Portfolio Management5.1%Jun 30, 26SCHEDULE 13G ↗
- Morgan Stanley2.5%Dec 31, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Stock compensation, tax and giftsshow the 37 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Aug 31, 26Tax$73KRobert J. Marshall Jr.CFO and Treasurer↗
- Aug 17, 26Tax$47KKimberly BrownChief Accounting Officer↗
- Aug 17, 26Tax$256KLudger DinkelborgSee Remarks↗
- May 14, 26Compensationamount n/aJULIA MARIE EASTLAND↗
- May 14, 26Compensationamount n/aJames H Thrall↗
- May 14, 26Compensationamount n/aGerard Ber↗
- May 14, 26Compensationamount n/aMinnie Baylor-Henry↗
- May 14, 26Compensationamount n/aGary J Pruden↗
- May 14, 26Compensationamount n/aSAM R LENO↗
- May 14, 26Compensationamount n/aHeinz Christoph Maeusli↗
- May 14, 26Compensationamount n/aPhuong Khanh Morrow↗
- May 14, 26Compensationamount n/aJulie McHugh↗
- May 14, 26Tax$119KMary Anne HeinoExecutive Chair and CEO↗
- May 14, 26Tax$37KGerard Ber↗
- Apr 17, 26Tax$160KDaniel NiedzwieckiSee Remarks↗
- Mar 5, 26Compensationamount n/aAmanda Michelle MorganChief Commercial Officer↗
- Mar 5, 26Tax$45KAmanda Michelle MorganChief Commercial Officer↗
- Mar 5, 26Compensationamount n/aKimberly BrownChief Accounting Officer↗
- Mar 5, 26Tax$10KKimberly BrownChief Accounting Officer↗
- Mar 5, 26Compensationamount n/aRobert J. Marshall Jr.CFO and Treasurer↗
- Mar 5, 26Tax$90KRobert J. Marshall Jr.CFO and Treasurer↗
- Mar 5, 26Compensationamount n/aLudger DinkelborgSee Remarks↗
- Mar 5, 26Compensationamount n/aDaniel NiedzwieckiSee Remarks↗
- Mar 5, 26Tax$98KDaniel NiedzwieckiSee Remarks↗
- Mar 2, 26Compensationamount n/aMary Anne HeinoExecutive Chair and CEO↗
- Mar 2, 26Tax$3.2MMary Anne HeinoExecutive Chair and CEO↗
- Mar 2, 26Compensationamount n/aRobert J. Marshall Jr.CFO and Treasurer↗
- Mar 2, 26Tax$813KRobert J. Marshall Jr.CFO and Treasurer↗
- Mar 2, 26Compensationamount n/aAmanda Michelle MorganChief Commercial Officer↗
- Mar 2, 26Tax$255KAmanda Michelle MorganChief Commercial Officer↗
- Mar 2, 26Compensationamount n/aDaniel NiedzwieckiSee Remarks↗
- Mar 2, 26Tax$630KDaniel NiedzwieckiSee Remarks↗
- Dec 15, 25Tax$24KAmanda Michelle MorganChief Commercial Officer↗
- Nov 17, 25Compensationamount n/aMary Anne HeinoExecutive Chair↗
- Aug 29, 25Tax$40KRobert J. Marshall Jr.CFO and Treasurer↗
- Aug 15, 25Compensationamount n/aLudger DinkelborgSee Remarks↗
- Aug 15, 25Tax$25KKimberly BrownChief Accounting Officer↗
The full record holds 272 transactions and goes back to Mar 2, 22.
Its sector and its market
Lantheus Holdings, Inc. among Health Care companies
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- 1,041 documents on file, from Jun 24, 2015 to Oct 14, 2026.
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