# Lantheus Holdings, Inc.: filings

LNTH · Nasdaq · CIK 1521036 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/lnth.md) · [Financials](/companies/lnth/financials.md) · [Filings](/companies/lnth/filings.md) · [Insiders](/companies/lnth/insiders.md)

## Reports and events: 225 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 535, 8-K 154, 144 81, 3 42, SC 13G/A 39, 10-Q 34, 425 21, DEFA14A 20, SC 13G 17, SCHEDULE 13G/A 15, 4/A 14, CT ORDER 12, 10-K 11, CORRESP 11, DEF 14A 11, S-8 11, SD 11, S-1/A 9, UPLOAD 9, 424B5 5, 424B7 5, ARS 4, EFFECT 4, SCHEDULE 13G 4, 424B3 2, DRS/A 2, PRE 14A 2, S-3 2, 10-Q/A 1, 424B4 1, 5 1, 8-A12B 1, 8-K/A 1, CERTNAS 1, DEFM14A 1, DRS 1, FWP 1, PREM14A 1, S-1 1, S-1MEF 1, S-3MEF 1, S-4 1, S-4/A 1, SC 13D 1, SC 13D/A 1, SCHEDULE 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-22 | 07:30 ET | [8-K](/filings/0001193125-26-428324.md) | 8.01 Other events | 0001193125-26-428324 |
| 2026-10-14 | 16:30 ET | [8-K](/filings/0001193125-26-421732.md) | 5.07 Shareholder vote results | 0001193125-26-421732 |
| 2026-10-02 | 17:00 ET | [8-K](/filings/0001193125-26-412563.md) | 8.01 Other events | 0001193125-26-412563 |
| 2026-09-21 | 16:05 ET | [8-K](/filings/0001193125-26-396654.md) | 8.01 Other events | 0001193125-26-396654 |
| 2026-09-04 | 16:40 ET | [SCHEDULE 13D](/filings/0001193125-26-383754.md) | Ownership report, active investor | 0001193125-26-383754 |
| 2026-08-06 | 08:01 ET | [10-Q](/filings/0001193125-26-336795.md) | Quarterly report, period 2026-06-30 | 0001193125-26-336795 |
| 2026-08-06 | 07:45 ET | [8-K](/filings/0001193125-26-336771.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-336771 |
| 2026-08-04 | 21:00 ET | [8-K](/filings/0001193125-26-331138.md) | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-331138 |
| 2026-08-03 | 08:37 ET | [8-K](/filings/0001193125-26-329622.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-329622 |
| 2026-05-07 | 07:44 ET | [10-Q](/filings/0001193125-26-210373.md) | Quarterly report, period 2026-03-31 | 0001193125-26-210373 |
| 2026-05-07 | 07:36 ET | [8-K](/filings/0001193125-26-210369.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-210369 |
| 2026-05-01 | 16:30 ET | [8-K](/filings/0001193125-26-201556.md) | 3.03 Change to security holders’ rights; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-201556 |
| 2026-03-20 | 16:13 ET | [DEF 14A](/filings/0001193125-26-117649.md) | Proxy statement, period 2026-04-30 | 0001193125-26-117649 |
| 2026-02-26 | 08:00 ET | [10-K](/filings/0001193125-26-073498.md) | Annual report, period 2025-12-31 | 0001193125-26-073498 |
| 2026-02-26 | 07:38 ET | [8-K](/filings/0001193125-26-073439.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-073439 |
| 2025-11-12 | 16:30 ET | [8-K](/filings/0001193125-25-277754.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-277754 |
| 2025-11-06 | 07:48 ET | [10-Q](/filings/0001193125-25-268113.md) | Quarterly report, period 2025-09-30 | 0001193125-25-268113 |
| 2025-11-06 | 07:39 ET | [8-K](/filings/0001193125-25-268103.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-268103 |
| 2025-08-11 | 17:02 ET | [8-K](/filings/0001193125-25-178046.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-178046 |
| 2025-08-06 | 07:51 ET | [10-Q](/filings/0000950170-25-103544.md) | Quarterly report, period 2025-06-30 | 0000950170-25-103544 |
| 2025-08-06 | 07:39 ET | [8-K](/filings/0000950170-25-103543.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-25-103543 |
| 2025-07-22 | 07:31 ET | [8-K](/filings/0001193125-25-162233.md) | 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-162233 |
| 2025-05-07 | 07:41 ET | [10-Q](/filings/0001628280-25-022872.md) | Quarterly report, period 2025-03-31 | 0001628280-25-022872 |
| 2025-05-07 | 07:38 ET | [8-K](/filings/0001628280-25-022871.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-022871 |
| 2025-05-05 | 16:26 ET | [8-K](/filings/0001193125-25-112812.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-25-112812 |
| 2025-04-01 | 09:12 ET | [8-K](/filings/0001193125-25-069927.md) | 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-069927 |
| 2025-03-21 | 17:23 ET | [DEF 14A](/filings/0001193125-25-060360.md) | Proxy statement, period 2025-05-01 | 0001193125-25-060360 |
| 2025-02-26 | 07:56 ET | [10-K](/filings/0001628280-25-007970.md) | Annual report, period 2024-12-31 | 0001628280-25-007970 |
| 2025-02-26 | 07:42 ET | [8-K](/filings/0001628280-25-007965.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-25-007965 |
| 2025-01-30 | 08:44 ET | [8-K](/filings/0001193125-25-016381.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-25-016381 |
| 2025-01-28 | 06:23 ET | [8-K](/filings/0001193125-25-013841.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-013841 |
| 2025-01-13 | 06:05 ET | [8-K](/filings/0001193125-25-004904.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-004904 |
| 2024-12-23 | 16:32 ET | [8-K](/filings/0001193125-24-284219.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-284219 |
| 2024-12-19 | 16:30 ET | [8-K](/filings/0001193125-24-282047.md) | 7.01 Regulation FD disclosure | 0001193125-24-282047 |
| 2024-11-20 | 06:07 ET | [8-K](/filings/0001193125-24-262071.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-262071 |
| 2024-11-06 | 07:42 ET | [10-Q](/filings/0001628280-24-045459.md) | Quarterly report, period 2024-09-30 | 0001628280-24-045459 |
| 2024-11-06 | 07:37 ET | [8-K](/filings/0001628280-24-045456.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-045456 |
| 2024-09-25 | 16:44 ET | [8-K](/filings/0001193125-24-226113.md) | 7.01 Regulation FD disclosure | 0001193125-24-226113 |
| 2024-09-05 | 08:38 ET | [8-K](/filings/0001193125-24-213726.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-213726 |
| 2024-07-31 | 07:50 ET | [10-Q](/filings/0001628280-24-033630.md) | Quarterly report, period 2024-06-30 | 0001628280-24-033630 |
| 2024-07-31 | 07:47 ET | [8-K](/filings/0001628280-24-033629.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-033629 |
| 2024-06-27 | 07:14 ET | [8-K](/filings/0001193125-24-169713.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-169713 |
| 2024-06-24 | 17:00 ET | [8-K](/filings/0001193125-24-167026.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-167026 |
| 2024-05-15 | 16:43 ET | [8-K](/filings/0001193125-24-139440.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-139440 |
| 2024-05-02 | 07:52 ET | [10-Q](/filings/0001628280-24-019798.md) | Quarterly report, period 2024-03-31 | 0001628280-24-019798 |
| 2024-05-02 | 07:46 ET | [8-K](/filings/0001628280-24-019794.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-019794 |
| 2024-04-29 | 16:59 ET | [8-K](/filings/0001193125-24-122683.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-122683 |
| 2024-03-15 | 07:35 ET | [DEF 14A](/filings/0001193125-24-068590.md) | Proxy statement, period 2024-04-25 | 0001193125-24-068590 |
| 2024-02-22 | 07:49 ET | [10-K](/filings/0001628280-24-006158.md) | Annual report, period 2023-12-31 | 0001628280-24-006158 |
| 2024-02-22 | 07:47 ET | [8-K](/filings/0001628280-24-006157.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001628280-24-006157 |

Page 1 of 5. [Older](/companies/lnth/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 13:54 ET. No prices; not investment advice.