LNTH

Lantheus Holdings, Inc.

Insider trading activity for Lantheus Holdings, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 84 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 31	Marshall Robert J. Jr.	CFO and Treasurer	FTAX	721	$100.96	$72.8K	-0.6%	Open the original filing on SEC.gov
Aug 17	Brown Kimberly	Chief Accounting Officer	FTAX	463	$100.91	$46.7K	-3.4%	Open the original filing on SEC.gov
Aug 17	Dinkelborg Ludger	See Remarks	FTAX	2,536	$100.91	$255.9K	-7.1%	Open the original filing on SEC.gov
May 14	McHugh Julie	Director	AGRANT	4,137	—	—	+15.9%	Open the original filing on SEC.gov
May 14	Morrow Phuong Khanh	Director	AGRANT	4,137	—	—	+133.4%	Open the original filing on SEC.gov
May 14	Maeusli Heinz Christoph	Director	AGRANT	4,137	—	—	+16.0%	Open the original filing on SEC.gov
May 14	Pruden Gary J	Director	AGRANT	4,137	—	—	+163.1%	Open the original filing on SEC.gov
May 14	Thrall James H	Director	AGRANT	4,137	—	—	+11.6%	Open the original filing on SEC.gov
May 14	Leno Sam R	Director	AGRANT	4,137	—	—	+6.6%	Open the original filing on SEC.gov
May 14	Eastland Julia Marie	Director	AGRANT	4,137	—	—	+106.6%	Open the original filing on SEC.gov
May 14	Ber Gerard	Director	AGRANT	4,137	—	—	+17.7%	Open the original filing on SEC.gov
May 14	Baylor-Henry Minnie	Director	AGRANT	4,137	—	—	+41.9%	Open the original filing on SEC.gov
May 14	Heino Mary Anne	Executive Chair and CEO	FTAX	1,227	$96.67	$118.6K	-0.4%	Open the original filing on SEC.gov
May 14	Ber Gerard	Director	FTAX	381	$96.67	$36.8K	-1.4%	Open the original filing on SEC.gov
Apr 17	Niedzwiecki Daniel	See Remarks	FTAX	1,911	$83.82	$160.2K	-1.6%	Open the original filing on SEC.gov
Mar 5	Niedzwiecki Daniel	See Remarks	FTAX	1,283	$76.31	$97.9K	-1.1%	Open the original filing on SEC.gov
Mar 5	Niedzwiecki Daniel	See Remarks	AGRANT	36,692	—	—	+43.7%	Open the original filing on SEC.gov
Mar 5	Marshall Robert J. Jr.	CFO and Treasurer	FTAX	1,182	$76.31	$90.2K	-0.9%	Open the original filing on SEC.gov
Mar 5	Marshall Robert J. Jr.	CFO and Treasurer	AGRANT	38,002	—	—	+44.2%	Open the original filing on SEC.gov
Mar 5	Morgan Amanda Michelle	Chief Commercial Officer	FTAX	595	$76.31	$45.4K	-0.9%	Open the original filing on SEC.gov
Mar 5	Morgan Amanda Michelle	Chief Commercial Officer	AGRANT	26,208	—	—	+68.0%	Open the original filing on SEC.gov
Mar 5	Dinkelborg Ludger	See Remarks	AGRANT	20,966	—	—	+142.0%	Open the original filing on SEC.gov
Mar 5	Brown Kimberly	Chief Accounting Officer	FTAX	133	$76.31	$10.1K	-1.0%	Open the original filing on SEC.gov
Mar 5	Brown Kimberly	Chief Accounting Officer	AGRANT	6,158	—	—	+80.0%	Open the original filing on SEC.gov
Mar 2	Niedzwiecki Daniel	See Remarks	FTAX	8,259	$76.30	$630.2K	-9.0%	Open the original filing on SEC.gov
Mar 2	Niedzwiecki Daniel	See Remarks	AGRANT	5,169	—	—	+5.9%	Open the original filing on SEC.gov
Mar 2	Morgan Amanda Michelle	Chief Commercial Officer	FTAX	3,336	$76.30	$254.5K	-8.0%	Open the original filing on SEC.gov
Mar 2	Morgan Amanda Michelle	Chief Commercial Officer	AGRANT	2,782	—	—	+7.1%	Open the original filing on SEC.gov
Mar 2	Marshall Robert J. Jr.	CFO and Treasurer	FTAX	10,652	$76.30	$812.7K	-11.0%	Open the original filing on SEC.gov
Mar 2	Marshall Robert J. Jr.	CFO and Treasurer	AGRANT	8,491	—	—	+9.6%	Open the original filing on SEC.gov
Mar 2	Heino Mary Anne	Executive Chair and CEO	FTAX	41,916	$76.30	$3.2M	-11.5%	Open the original filing on SEC.gov
Mar 2	Heino Mary Anne	Executive Chair and CEO	AGRANT	32,105	—	—	+9.6%	Open the original filing on SEC.gov
Dec 15, 2025	Morgan Amanda Michelle	Chief Commercial Officer	FTAX	368	$66.57	$24.5K	-0.9%	Open the original filing on SEC.gov
Nov 17, 2025	Heino Mary Anne	Executive Chair	AGRANT◆	26,325	—	—	—	Open the original filing on SEC.gov
Nov 17, 2025	Heino Mary Anne	Executive Chair	AGRANT	14,285	—	—	+4.5%	Open the original filing on SEC.gov
Aug 29, 2025	Marshall Robert J. Jr.	CFO and Treasurer	FTAX	727	$54.90	$39.9K	-0.8%	Open the original filing on SEC.gov
Aug 20, 2025	Patel Rajiv A	Member of a Group…	SSELL	3.4M	$56.15	$188.9M	-49.2%	Open the original filing on SEC.gov
Aug 20, 2025	Farallon Partners L L…	10% Owner	SSELL	3.4M	$56.15	$188.9M	-49.2%	Open the original filing on SEC.gov
Aug 19, 2025	Patel Rajiv A	Member of a Group…	SSELL	41,000	$55.34	$2.3M	-0.6%	Open the original filing on SEC.gov
Aug 19, 2025	Farallon Partners L L…	10% Owner	SSELL	41,000	$55.34	$2.3M	-0.6%	Open the original filing on SEC.gov
Aug 15, 2025	Dinkelborg Ludger	See Remarks	AGRANT◆	25,324	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Dinkelborg Ludger	See Remarks	AGRANT	14,765	—	—	—	Open the original filing on SEC.gov
Aug 15, 2025	Brown Kimberly	Chief Accounting Officer	FTAX	463	$54.18	$25.1K	-5.7%	Open the original filing on SEC.gov
Aug 13, 2025	Blanchfield Paul	President	SSELL◷	3,060	$53.57	$163.9K	-2.8%	Open the original filing on SEC.gov
Jul 15, 2025	Blanchfield Paul	President	FTAX	518	$81.26	$42.1K	-0.5%	Open the original filing on SEC.gov
Jun 13, 2025	Niedzwiecki Daniel	See Remarks	SSELL◷	6,000	$78.74	$472.4K	-6.5%	Open the original filing on SEC.gov
Jun 9, 2025	McHugh Julie	Director	SSELL◷	5,192	$81.62	$423.8K	-16.7%	Open the original filing on SEC.gov
Jun 9, 2025	Marshall Robert J. Jr.	CFO and Treasurer	MEXER◷◆	14,773	—	—	—	Open the original filing on SEC.gov
Jun 9, 2025	Marshall Robert J. Jr.	CFO and Treasurer	SSELL◷	27,036	$83.40	$2.3M	-23.3%	Open the original filing on SEC.gov
Jun 9, 2025	Marshall Robert J. Jr.	CFO and Treasurer	SSELL◷	9,243	$82.50	$762.6K	-7.4%	Open the original filing on SEC.gov
Jun 9, 2025	Marshall Robert J. Jr.	CFO and Treasurer	SSELL◷	3,494	$81.27	$284K	-2.7%	Open the original filing on SEC.gov
Jun 9, 2025	Marshall Robert J. Jr.	CFO and Treasurer	MEXER◷	14,773	$49.93	$737.6K	+13.0%	Open the original filing on SEC.gov
Jun 5, 2025	Niedzwiecki Daniel	See Remarks	SSELL◷	6,000	$79.65	$477.9K	-6.1%	Open the original filing on SEC.gov
Jun 5, 2025	Blanchfield Paul	President	SSELL◷	6,599	$79.65	$525.6K	-5.6%	Open the original filing on SEC.gov
Jun 2, 2025	Heino Mary Anne	Director	SSELL◷	22,926	$77.09	$1.8M	-6.7%	Open the original filing on SEC.gov
Jun 2, 2025	Heino Mary Anne	Director	SSELL◷	3,140	$74.90	$235.2K	-0.9%	Open the original filing on SEC.gov
May 27, 2025	Heino Mary Anne	Director	GGIFT	179,300	—	—	—	Open the original filing on SEC.gov
May 27, 2025	Heino Mary Anne	Director	GGIFT	179,300	—	—	-81.6%	Open the original filing on SEC.gov
May 15, 2025	Pruden Gary J	Director	GGIFT	2,635	—	—	+22.0%	Open the original filing on SEC.gov
May 15, 2025	Pruden Gary J	Director	GGIFT	2,635	—	—	-50.9%	Open the original filing on SEC.gov
May 14, 2025	Thrall James H	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Thrall James H	Director	AGRANT	2,537	—	—	+7.6%	Open the original filing on SEC.gov
May 14, 2025	Pruden Gary J	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Pruden Gary J	Director	AGRANT	2,537	—	—	+96.3%	Open the original filing on SEC.gov
May 14, 2025	Morrow Phuong Khanh	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Morrow Phuong Khanh	Director	AGRANT	2,537	—	—	+450.6%	Open the original filing on SEC.gov
May 14, 2025	McHugh Julie	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	McHugh Julie	Director	AGRANT	2,537	—	—	+8.9%	Open the original filing on SEC.gov
May 14, 2025	Maeusli Heinz Christoph	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Maeusli Heinz Christoph	Director	AGRANT	2,537	—	—	+10.9%	Open the original filing on SEC.gov
May 14, 2025	Leno Sam R	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Leno Sam R	Director	AGRANT	2,537	—	—	+4.2%	Open the original filing on SEC.gov
May 14, 2025	Heino Mary Anne	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Heino Mary Anne	Director	AGRANT	2,537	—	—	+0.7%	Open the original filing on SEC.gov
May 14, 2025	Eastland Julia Marie	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Eastland Julia Marie	Director	AGRANT	2,537	—	—	+188.6%	Open the original filing on SEC.gov
May 14, 2025	Ber Gerard	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Ber Gerard	Director	AGRANT	2,537	—	—	+12.2%	Open the original filing on SEC.gov
May 14, 2025	Baylor-Henry Minnie	Director	AGRANT◆	4,543	—	—	—	Open the original filing on SEC.gov
May 14, 2025	Baylor-Henry Minnie	Director	AGRANT	2,537	—	—	+34.5%	Open the original filing on SEC.gov
May 9, 2025	Ber Gerard	Director	FTAX	396	$81.74	$32.4K	-1.9%	Open the original filing on SEC.gov
Apr 17, 2025	Niedzwiecki Daniel	See Remarks	FTAX	178	$101.32	$18K	-0.2%	Open the original filing on SEC.gov
Apr 17, 2025	Blanchfield Paul	President	FTAX	455	$101.32	$46.1K	-0.4%	Open the original filing on SEC.gov
Dec 15, 2024	Morgan Amanda Michelle	Chief Commercial Officer	FTAX	356	$93.48	$33.3K	-1.4%	Open the original filing on SEC.gov

FTAX$72.8K

Marshall Robert J. Jr. · CFO and TreasurerAug 31

721 sh @ $100.96 · -0.6% own

FTAX$46.7K

Brown Kimberly · Chief Accounting…Aug 17

463 sh @ $100.91 · -3.4% own

FTAX$255.9K

Dinkelborg Ludger · See RemarksAug 17

2,536 sh @ $100.91 · -7.1% own

AGRANT—

McHugh Julie · DirectorMay 14

4,137 sh · +15.9% own

AGRANT—

Morrow Phuong Khanh · DirectorMay 14

4,137 sh · +133.4% own

AGRANT—

Maeusli Heinz Christoph · DirectorMay 14

4,137 sh · +16.0% own

AGRANT—

Pruden Gary J · DirectorMay 14

4,137 sh · +163.1% own

AGRANT—

Thrall James H · DirectorMay 14

4,137 sh · +11.6% own

AGRANT—

Leno Sam R · DirectorMay 14

4,137 sh · +6.6% own

AGRANT—

Eastland Julia Marie · DirectorMay 14

4,137 sh · +106.6% own

AGRANT—

Ber Gerard · DirectorMay 14

4,137 sh · +17.7% own

AGRANT—

Baylor-Henry Minnie · DirectorMay 14

4,137 sh · +41.9% own

FTAX$118.6K

Heino Mary Anne · Executive Chair…May 14

1,227 sh @ $96.67 · -0.4% own

FTAX$36.8K

Ber Gerard · DirectorMay 14

381 sh @ $96.67 · -1.4% own

FTAX$160.2K

Niedzwiecki Daniel · See RemarksApr 17

1,911 sh @ $83.82 · -1.6% own

FTAX$97.9K

Niedzwiecki Daniel · See RemarksMar 5

1,283 sh @ $76.31 · -1.1% own

AGRANT—

Niedzwiecki Daniel · See RemarksMar 5

36,692 sh · +43.7% own

FTAX$90.2K

Marshall Robert J. Jr. · CFO and TreasurerMar 5

1,182 sh @ $76.31 · -0.9% own

AGRANT—

Marshall Robert J. Jr. · CFO and TreasurerMar 5

38,002 sh · +44.2% own

FTAX$45.4K

Morgan Amanda Michelle · Chief Commercial…Mar 5

595 sh @ $76.31 · -0.9% own

AGRANT—

Morgan Amanda Michelle · Chief Commercial…Mar 5

26,208 sh · +68.0% own

AGRANT—

Dinkelborg Ludger · See RemarksMar 5

20,966 sh · +142.0% own

FTAX$10.1K

Brown Kimberly · Chief Accounting…Mar 5

133 sh @ $76.31 · -1.0% own

AGRANT—

Brown Kimberly · Chief Accounting…Mar 5

6,158 sh · +80.0% own

FTAX$630.2K

Niedzwiecki Daniel · See RemarksMar 2

8,259 sh @ $76.30 · -9.0% own

AGRANT—

Niedzwiecki Daniel · See RemarksMar 2

5,169 sh · +5.9% own

FTAX$254.5K

Morgan Amanda Michelle · Chief Commercial…Mar 2

3,336 sh @ $76.30 · -8.0% own

AGRANT—

Morgan Amanda Michelle · Chief Commercial…Mar 2

2,782 sh · +7.1% own

FTAX$812.7K

Marshall Robert J. Jr. · CFO and TreasurerMar 2

10,652 sh @ $76.30 · -11.0% own

AGRANT—

Marshall Robert J. Jr. · CFO and TreasurerMar 2

8,491 sh · +9.6% own

FTAX$3.2M

Heino Mary Anne · Executive Chair…Mar 2

41,916 sh @ $76.30 · -11.5% own

AGRANT—

Heino Mary Anne · Executive Chair…Mar 2

32,105 sh · +9.6% own

FTAX$24.5K

Morgan Amanda Michelle · Chief Commercial…Dec 15, 2025

368 sh @ $66.57 · -0.9% own

AGRANT◆—

Heino Mary Anne · Executive ChairNov 17, 2025

26,325 sh

AGRANT—

Heino Mary Anne · Executive ChairNov 17, 2025

14,285 sh · +4.5% own

FTAX$39.9K

Marshall Robert J. Jr. · CFO and TreasurerAug 29, 2025

727 sh @ $54.90 · -0.8% own

SSELL$188.9M

Patel Rajiv A · Member of a Group…Aug 20, 2025

3.4M sh @ $56.15 · -49.2% own

SSELL$188.9M

Farallon Partners L L… · 10% OwnerAug 20, 2025

3.4M sh @ $56.15 · -49.2% own

SSELL$2.3M

Patel Rajiv A · Member of a Group…Aug 19, 2025

41,000 sh @ $55.34 · -0.6% own

SSELL$2.3M

Farallon Partners L L… · 10% OwnerAug 19, 2025

41,000 sh @ $55.34 · -0.6% own

AGRANT◆—

Dinkelborg Ludger · See RemarksAug 15, 2025

25,324 sh

AGRANT—

Dinkelborg Ludger · See RemarksAug 15, 2025

14,765 sh

FTAX$25.1K

Brown Kimberly · Chief Accounting…Aug 15, 2025

463 sh @ $54.18 · -5.7% own

SSELL◷$163.9K

Blanchfield Paul · PresidentAug 13, 2025

3,060 sh @ $53.57 · -2.8% own

FTAX$42.1K

Blanchfield Paul · PresidentJul 15, 2025

518 sh @ $81.26 · -0.5% own

SSELL◷$472.4K

Niedzwiecki Daniel · See RemarksJun 13, 2025

6,000 sh @ $78.74 · -6.5% own

SSELL◷$423.8K

McHugh Julie · DirectorJun 9, 2025

5,192 sh @ $81.62 · -16.7% own

MEXER◷◆—

Marshall Robert J. Jr. · CFO and TreasurerJun 9, 2025

14,773 sh

SSELL◷$2.3M

Marshall Robert J. Jr. · CFO and TreasurerJun 9, 2025

27,036 sh @ $83.40 · -23.3% own

SSELL◷$762.6K

Marshall Robert J. Jr. · CFO and TreasurerJun 9, 2025

9,243 sh @ $82.50 · -7.4% own

SSELL◷$284K

Marshall Robert J. Jr. · CFO and TreasurerJun 9, 2025

3,494 sh @ $81.27 · -2.7% own

MEXER◷$737.6K

Marshall Robert J. Jr. · CFO and TreasurerJun 9, 2025

14,773 sh @ $49.93 · +13.0% own

SSELL◷$477.9K

Niedzwiecki Daniel · See RemarksJun 5, 2025

6,000 sh @ $79.65 · -6.1% own

SSELL◷$525.6K

Blanchfield Paul · PresidentJun 5, 2025

6,599 sh @ $79.65 · -5.6% own

SSELL◷$1.8M

Heino Mary Anne · DirectorJun 2, 2025

22,926 sh @ $77.09 · -6.7% own

SSELL◷$235.2K

Heino Mary Anne · DirectorJun 2, 2025

3,140 sh @ $74.90 · -0.9% own

GGIFT—

Heino Mary Anne · DirectorMay 27, 2025

179,300 sh

GGIFT—

Heino Mary Anne · DirectorMay 27, 2025

179,300 sh · -81.6% own

GGIFT—

Pruden Gary J · DirectorMay 15, 2025

2,635 sh · +22.0% own

GGIFT—

Pruden Gary J · DirectorMay 15, 2025

2,635 sh · -50.9% own

AGRANT◆—

Thrall James H · DirectorMay 14, 2025

4,543 sh

AGRANT—

Thrall James H · DirectorMay 14, 2025

2,537 sh · +7.6% own

AGRANT◆—

Pruden Gary J · DirectorMay 14, 2025

4,543 sh

AGRANT—

Pruden Gary J · DirectorMay 14, 2025

2,537 sh · +96.3% own

AGRANT◆—

Morrow Phuong Khanh · DirectorMay 14, 2025

4,543 sh

AGRANT—

Morrow Phuong Khanh · DirectorMay 14, 2025

2,537 sh · +450.6% own

AGRANT◆—

McHugh Julie · DirectorMay 14, 2025

4,543 sh

AGRANT—

McHugh Julie · DirectorMay 14, 2025

2,537 sh · +8.9% own

AGRANT◆—

Maeusli Heinz Christoph · DirectorMay 14, 2025

4,543 sh

AGRANT—

Maeusli Heinz Christoph · DirectorMay 14, 2025

2,537 sh · +10.9% own

AGRANT◆—

Leno Sam R · DirectorMay 14, 2025

4,543 sh

AGRANT—

Leno Sam R · DirectorMay 14, 2025

2,537 sh · +4.2% own

AGRANT◆—

Heino Mary Anne · DirectorMay 14, 2025

4,543 sh

AGRANT—

Heino Mary Anne · DirectorMay 14, 2025

2,537 sh · +0.7% own

AGRANT◆—

Eastland Julia Marie · DirectorMay 14, 2025

4,543 sh

AGRANT—

Eastland Julia Marie · DirectorMay 14, 2025

2,537 sh · +188.6% own

AGRANT◆—

Ber Gerard · DirectorMay 14, 2025

4,543 sh

AGRANT—

Ber Gerard · DirectorMay 14, 2025

2,537 sh · +12.2% own

AGRANT◆—

Baylor-Henry Minnie · DirectorMay 14, 2025

4,543 sh

AGRANT—

Baylor-Henry Minnie · DirectorMay 14, 2025

2,537 sh · +34.5% own

FTAX$32.4K

Ber Gerard · DirectorMay 9, 2025

396 sh @ $81.74 · -1.9% own

FTAX$18K

Niedzwiecki Daniel · See RemarksApr 17, 2025

178 sh @ $101.32 · -0.2% own

FTAX$46.1K

Blanchfield Paul · PresidentApr 17, 2025

455 sh @ $101.32 · -0.4% own

FTAX$33.3K

Morgan Amanda Michelle · Chief Commercial…Dec 15, 2024

356 sh @ $93.48 · -1.4% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

3 of 53 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 248 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Dec 15, 2024	Dec 16, 2025	Morgan Amanda MichelleChief Commercial Officer	248days · about 12 months	$33.3K	Filing ↗
May 14	Jun 2	Ber GerardDirector	10days	$36.8K	Filing ↗
May 14	Jun 2	Heino Mary AnneExecutive Chair and CEO	10days	$118.6K	Filing ↗

Morgan Amanda MichelleChief Commercial Officer

248days · about 12 months

Traded Dec 15, 2024 · filed Dec 16, 2025Filing ↗

Ber GerardDirector

10days

Traded May 14 · filed Jun 2Filing ↗

Heino Mary AnneExecutive Chair and CEO

10days

Traded May 14 · filed Jun 2Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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