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Nasdaq · CIK 0001521036

LNTH Lantheus Holdings, Inc.

Insider trading from SEC Form 4. Last filing 41 d ago. Close $100.15 on Oct 9, 2026, +98% from the 52-week low and -10% from the high.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
19
with a Form 4 at this company

Price and insider trades, last year

LNTHOct 9, 2026 · close 100.15

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at Lantheus Holdings, Inc., scored.

ScoreInsiderValueHoldingsPrice contextFiled
62NotableFarallon Partners L L C/ca
owner, other
sell
$191M
3,406,000 shares
-49%+6% from low-53% from high
58ModerateRajiv A Patel
other
sell
$191M
3,406,000 shares
-49%+6% from low-53% from high
26WeakPaul Blanchfield
President
sell
$164k
3,060 shares
-3%+4% from low-54% from high
27WeakDaniel Niedzwiecki
See Remarks
sell
$472k
6,000 shares
-6%+5% from low-33% from high
37WeakRobert J. Marshall Jr.
CFO and Treasurer
sell
$3.3M
39,773 shares
-31%+13% from low-29% from high
31WeakJulie McHugh
director
sell
$424k
5,192 shares
-17%+13% from low-29% from high
33WeakPaul Blanchfield
President
sell
$526k
6,599 shares
-6%+9% from low-31% from high
28WeakDaniel Niedzwiecki
See Remarks
sell
$478k
6,000 shares
-6%+9% from low-31% from high
35WeakMary Anne Heino
Executive Chair and CEO
sell
$2.0M
26,066 shares
-8%+4% from low-34% from high
15WeakMary Anne Heino
Executive Chair and CEO
sell
$282
3 shares
-0%-
20WeakPaul Blanchfield
President
sell
$204k
2,084 shares
-2%-
33WeakMary Anne Heino
Executive Chair and CEO
sell
$5.0M
53,107 shares
-11%-
39WeakRobert J. Marshall Jr.
CFO and Treasurer
sell
$812k
10,000 shares
-9%-
26WeakPaul Blanchfield
President
sell
$159k
2,000 shares
-2%-
35WeakMary Anne Heino
Executive Chair and CEO
sell
$1.0M
11,487 shares
-3%-

Planned sales

Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales

FiledSellerSharesValueSale datePast 3 months
Aug 13, 2025 Blanchfield Paul
Officer
3,060
0.00% of outstanding
$164kAug 13, 2025$526k
Jun 13, 2025 Niedzwiecki Daniel
Officer
6,000
0.01% of outstanding
$472kJun 13, 2025$478k
Jun 9, 2025 McHugh Julie
Director
5,192
0.01% of outstanding
$424kJun 9, 2025none
Jun 9, 2025 Marshall Robert J. Jr.
Officer
39,773
0.06% of outstanding
$3.2MJun 9, 2025$1.0M
Jun 5, 2025 Blanchfield Paul
Officer
6,599
0.01% of outstanding
$526kJun 5, 2025$204k
Jun 5, 2025 Heino Mary Anne
Director
26,066
0.04% of outstanding
$2.0MJun 2, 2025none
Jun 5, 2025 Niedzwiecki Daniel
Officer
6,000
0.01% of outstanding
$478kJun 5, 2025none
Mar 17, 2025 Marshall Robert J. Jr.
Officer
10,000
0.01% of outstanding
$1.0MMar 17, 2025none
Mar 5, 2025 Blanchfield Paul
Officer
2,084
0.00% of outstanding
$204kMar 5, 2025none
Feb 28, 2025 Heino Mary Anne
Officer, Director
53,200
0.08% of outstanding
$4.8MMar 3, 2025none
Jan 15, 2025 Thrall James H
Director
1,000
0.00% of outstanding
$95kJan 15, 2025none
Nov 15, 2024 Marshall Robert J. Jr.
Officer
10,000
0.01% of outstanding
$812kNov 15, 2024none
Nov 14, 2024 Blanchfield Paul
Officer
2,000
0.00% of outstanding
$159kNov 14, 2024none
Nov 8, 2024 Heino Mary Anne
Officer, Director
11,487
0.02% of outstanding
$1.0MNov 8, 2024none
Oct 15, 2024 Sabens Andrea
Officer
342
0.00% of outstanding
$39kOct 14, 2024$335k

Congressional trades

4 trades in LNTH disclosed by members of Congress under the STOCK Act. All congressional trades.

MemberTradeAssetReported rangeTrade / filing dateSource
PurchaseLNTH
Lantheus Holdings, Inc. - Common Stock
$1,001 to $15kJan 28, 2025 / Feb 11, 2025
14 days after the trade
Clerk
PurchaseLNTH
Lantheus Holdings, Inc. - Common Stock
$1,001 to $15kJan 13, 2025 / Feb 11, 2025
29 days after the trade
Clerk
PurchaseLNTH
Lantheus Holdings, Inc. - Common Stock
$1,001 to $15kJan 7, 2025 / Feb 11, 2025
35 days after the trade
Clerk
PurchaseLNTH
Lantheus Holdings, Inc. - Common Stock
$1,001 to $15kJan 8, 2025 / Feb 11, 2025
34 days after the trade
Clerk

Transactions

The last 100 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Aug 31, 2026Robert J. Marshall Jr.
CFO and Treasurer
FTax withholding
Common Stock
-721$100.96$73k122,07141 d ago
May 14, 2026Gerard Ber
director
FTax withholding
Common Stock
-381$96.67$37k27,118Jun 3, 2026
May 14, 2026Minnie Baylor-Henry
director
AGrant or award
Common Stock
+4,137$0.00$014,018May 18, 2026
May 14, 2026Gerard Ber
director
AGrant or award
Common Stock
+4,137$0.00$027,499May 18, 2026
Mar 5, 2026Daniel Niedzwiecki
See Remarks
AGrant or award
Common Stock
+36,692$0.00$0120,659Mar 9, 2026
Mar 5, 2026Amanda Michelle Morgan
Chief Commercial Officer
AGrant or award
Common Stock
+26,208$0.00$064,748Mar 9, 2026
Mar 5, 2026Kimberly Brown
Chief Accounting Officer
AGrant or award
Common Stock
+6,158$0.00$013,859Mar 9, 2026
Mar 5, 2026Robert J. Marshall Jr.
CFO and Treasurer
AGrant or award
Common Stock
+38,002$0.00$0123,974Mar 9, 2026
Mar 5, 2026Ludger Dinkelborg
See Remarks
AGrant or award
Common Stock
+20,966$0.00$035,731Mar 9, 2026
Mar 5, 2026Amanda Michelle Morgan
Chief Commercial Officer
FTax withholding
Common Stock
-595$76.31$45k64,153Mar 9, 2026
Mar 5, 2026Kimberly Brown
Chief Accounting Officer
FTax withholding
Common Stock
-133$76.31$10k13,726Mar 9, 2026
Mar 5, 2026Robert J. Marshall Jr.
CFO and Treasurer
FTax withholding
Common Stock
-1,182$76.31$90k122,792Mar 9, 2026
Mar 5, 2026Daniel Niedzwiecki
See Remarks
FTax withholding
Common Stock
-1,283$76.31$98k119,376Mar 9, 2026
Mar 2, 2026Robert J. Marshall Jr.
CFO and Treasurer
AGrant or award
Common Stock
+8,491$0.00$096,624Mar 4, 2026
Mar 2, 2026Daniel Niedzwiecki
See Remarks
AGrant or award
Common Stock
+5,169$0.00$092,226Mar 4, 2026
Mar 2, 2026Mary Anne Heino
Executive Chair and CEO
AGrant or award
Common Stock
+32,105$0.00$0365,040Mar 4, 2026
Mar 2, 2026Amanda Michelle Morgan
Chief Commercial Officer
AGrant or award
Common Stock
+2,782$0.00$041,876Mar 4, 2026
Mar 2, 2026Robert J. Marshall Jr.
CFO and Treasurer
FTax withholding
Common Stock
-10,652$76.30$813k85,972Mar 4, 2026
Mar 2, 2026Amanda Michelle Morgan
Chief Commercial Officer
FTax withholding
Common Stock
-3,336$76.30$255k38,540Mar 4, 2026
Mar 2, 2026Daniel Niedzwiecki
See Remarks
FTax withholding
Common Stock
-8,259$76.30$630k83,967Mar 4, 2026
Mar 2, 2026Mary Anne Heino
Executive Chair and CEO
FTax withholding
Common Stock
-41,916$76.30$3.2M323,124Mar 4, 2026
Dec 15, 2024Amanda Michelle Morgan
Chief Commercial Officer
FTax withholding
Common Stock
-356$93.48$33k25,055Dec 17, 2025
Dec 15, 2025Amanda Michelle Morgan
Chief Commercial Officer
FTax withholding
Common Stock
-368$66.57$24k39,094Dec 17, 2025
Nov 17, 2025Mary Anne Heino
Executive Chair
AGrant or award
Common Stock
+14,285$0.00$0332,935Nov 19, 2025
Nov 17, 2025Mary Anne Heino
Executive Chair
AGrant or award
Stock Option (right to buy)derivative
+26,325$0.00$026,325Nov 19, 2025
Aug 29, 2025Robert J. Marshall Jr.
CFO and Treasurer
FTax withholding
Common Stock
-727$54.90$40k88,133Sep 3, 2025
Aug 19, 2025Farallon Partners L L C/ca
owner, other
SOpen-market sale
Common Stockindirect: See Footnotes
-41,000$55.34$2.3M6,842,227Aug 21, 2025
Aug 19, 2025Rajiv A Patel
other
SOpen-market sale
Common Stockindirect: See Footnotes
-41,000$55.34$2.3M6,842,227Aug 21, 2025
Aug 20, 2025Farallon Partners L L C/ca
owner, other
SOpen-market sale
Common Stockindirect: See Footnotes
-3,365,000$56.15$189M3,477,227Aug 21, 2025
Aug 20, 2025Rajiv A Patel
other
SOpen-market sale
Common Stockindirect: See Footnotes
-3,365,000$56.15$189M3,477,227Aug 21, 2025
Aug 15, 2025Kimberly Brown
Chief Accounting Officer
FTax withholding
Common Stock
-463$54.18$25k7,701Aug 19, 2025
Aug 15, 2025Ludger Dinkelborg
See Remarks
AGrant or award
Common Stock
+14,765$0.00$014,765Aug 19, 2025
Aug 15, 2025Ludger Dinkelborg
See Remarks
AGrant or award
Stock Option (right to buy)derivative
+25,324$0.00$025,324Aug 19, 2025
Aug 13, 2025Paul Blanchfield
President
SOpen-market sale
Common Stock10b5-1
-3,060$53.57$164k108,214Aug 15, 2025
Jul 15, 2025Paul Blanchfield
President
FTax withholding
Common Stock
-518$81.26$42k111,274Jul 17, 2025
Jun 13, 2025Daniel Niedzwiecki
See Remarks
SOpen-market sale
Common Stock10b5-1
-6,000$78.74$472k87,057Jun 17, 2025
Jun 9, 2025Robert J. Marshall Jr.
CFO and Treasurer
MOption exercise
Common Stock10b5-1
+14,773$49.93$738k128,633Jun 11, 2025
Jun 9, 2025Julie McHugh
director
SOpen-market sale
Common Stock10b5-1
-5,192$81.62$424k25,962Jun 11, 2025
Jun 9, 2025Robert J. Marshall Jr.
CFO and Treasurer
SOpen-market sale
Common Stock10b5-1
-3,494$81.27$284k125,139Jun 11, 2025
Jun 9, 2025Robert J. Marshall Jr.
CFO and Treasurer
SOpen-market sale
Common Stock10b5-1
-9,243$82.50$763k115,896Jun 11, 2025
Jun 9, 2025Robert J. Marshall Jr.
CFO and Treasurer
SOpen-market sale
Common Stock10b5-1
-27,036$83.40$2.3M88,860Jun 11, 2025
Jun 9, 2025Robert J. Marshall Jr.
CFO and Treasurer
MOption exercise
Stock Option (right to buy)derivative10b5-1
-14,773$0.00$00Jun 11, 2025
Jun 5, 2025Paul Blanchfield
President
SOpen-market sale
Common Stock10b5-1
-6,599$79.65$526k111,792Jun 9, 2025
Jun 5, 2025Daniel Niedzwiecki
See Remarks
SOpen-market sale
Common Stock10b5-1
-6,000$79.65$478k93,057Jun 9, 2025
Jun 2, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-3,140$74.90$235k341,576Jun 4, 2025
Jun 2, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-22,926$77.09$1.8M318,650Jun 4, 2025
May 27, 2025Mary Anne Heino
Executive Chair and CEO
GGift
Common Stockindirect: By The Mary Anne Fennell Heino Revocable Trust - 2018
-179,300$0.00$040,434May 29, 2025
May 27, 2025Mary Anne Heino
Executive Chair and CEO
GGift
Common Stockindirect: By The Heino 2024 Family Trust
+179,300$0.00$0179,300May 29, 2025
May 14, 2025Phuong Khanh Morrow
director
AGrant or award
Common Stock
+2,537$0.00$03,100May 16, 2025
May 14, 2025Gary J Pruden
director
AGrant or award
Common Stock
+2,537$0.00$05,172May 16, 2025
May 14, 2025James H Thrall
director
AGrant or award
Common Stock
+2,537$0.00$035,744May 16, 2025
May 14, 2025Minnie Baylor-Henry
director
AGrant or award
Common Stock
+2,537$0.00$09,881May 16, 2025
May 14, 2025Gerard Ber
director
AGrant or award
Common Stock
+2,537$0.00$023,362May 16, 2025
May 14, 2025Julia Marie Eastland
director
AGrant or award
Common Stock
+2,537$0.00$03,882May 16, 2025
May 14, 2025Mary Anne Heino
Executive Chair and CEO
AGrant or award
Common Stock
+2,537$0.00$0394,716May 16, 2025
May 14, 2025Sam R Leno
director
AGrant or award
Common Stock
+2,537$0.00$063,109May 16, 2025
May 14, 2025Heinz Christoph Maeusli
director
AGrant or award
Common Stock
+2,537$0.00$025,877May 16, 2025
May 14, 2025Julie McHugh
director
AGrant or award
Common Stock
+2,537$0.00$031,154May 16, 2025
May 14, 2025Phuong Khanh Morrow
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025James H Thrall
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 15, 2025Gary J Pruden
director
GGift
Common Stock
-2,635$0.00$02,537May 16, 2025
May 14, 2025Gerard Ber
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Julia Marie Eastland
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Sam R Leno
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Heinz Christoph Maeusli
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Julie McHugh
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 15, 2025Gary J Pruden
director
GGift
Common Stockindirect: By the Gary J. Pruden Revocable Trust
+2,635$0.00$014,613May 16, 2025
May 14, 2025Minnie Baylor-Henry
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Gary J Pruden
director
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 14, 2025Mary Anne Heino
Executive Chair and CEO
AGrant or award
Stock Option (right to buy)derivative
+4,543$0.00$04,543May 16, 2025
May 9, 2025Gerard Ber
director
FTax withholding
Common Stock
-396$81.74$32k20,825May 13, 2025
Apr 17, 2025Paul Blanchfield
President
FTax withholding
Common Stock
-455$101.32$46k118,391Apr 21, 2025
Apr 17, 2025Daniel Niedzwiecki
See Remarks
FTax withholding
Common Stock
-178$101.32$18k99,057Apr 21, 2025
Mar 5, 2025Kimberly Brown
Chief Accounting Officer
AGrant or award
Common Stock
+3,433$0.00$08,164Mar 21, 2025
Mar 5, 2025Kimberly Brown
Chief Accounting Officer
AGrant or award
Stock Option (right to buy)derivative
+2,002$0.00$02,002Mar 21, 2025
Jun 7, 2024Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stockindirect: By Grantor Retained Annuity Trust
-1$81.26$8137,719Mar 17, 2025
Mar 13, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stockindirect: By Grantor Retained Annuity Trust
-2$100.13$2008,618Mar 17, 2025
Mar 13, 2025Mary Anne Heino
Executive Chair and CEO
GGift
Common Stockindirect: By Grantor Retained Annuity Trust
-8,618$0.00$00Mar 17, 2025
Mar 13, 2025Mary Anne Heino
Executive Chair and CEO
GGift
Common Stockindirect: By Heino Irrevocable Trust
+8,618$0.00$08,618Mar 17, 2025
Mar 5, 2025Paul Blanchfield
President
SOpen-market sale
Common Stock10b5-1
-2,084$98.00$204k91,828Mar 7, 2025
Mar 5, 2025Paul Blanchfield
President
AGrant or award
Common Stock10b5-1
+26,871$0.00$0118,699Mar 7, 2025
Mar 5, 2025Paul Blanchfield
President
AGrant or award
Stock Option (right to buy)derivative10b5-1
+15,668$0.00$015,668Mar 7, 2025
Mar 3, 2025Paul Blanchfield
President
AGrant or award
Common Stock
+13,769$0.00$0110,506Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
AGrant or award
Common Stock10b5-1
+50,070$0.00$0493,506Mar 5, 2025
Mar 3, 2025Paul Blanchfield
President
FTax withholding
Common Stock
-16,594$94.86$1.6M93,912Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-6,265$92.29$578k487,241Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-9,160$93.32$855k478,081Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-15,017$94.09$1.4M463,064Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-17,694$95.40$1.7M445,370Mar 5, 2025
Mar 3, 2025Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-4,971$95.91$477k440,399Mar 5, 2025
Dec 19, 2024Brian A Markison
CEO
MOption exercise
Common Stock
+16,102$12.42$200k168,928Dec 23, 2024
Dec 19, 2024Brian A Markison
CEO
MOption exercise
Common Stock
+16,666$6.00$100k185,594Dec 23, 2024
Dec 19, 2024Brian A Markison
CEO
FTax withholding
Common Stock
-15,446$91.15$1.4M170,148Dec 23, 2024
Dec 19, 2024Brian A Markison
CEO
MOption exercise
Stock Option (right to buy)derivative
-16,102$0.00$00Dec 23, 2024
Dec 19, 2024Brian A Markison
CEO
MOption exercise
Stock Option (right to buy)derivative
-16,666$0.00$00Dec 23, 2024
Nov 15, 2024Robert J. Marshall Jr.
CFO and Treasurer
SOpen-market sale
Common Stock10b5-1
-10,000$81.20$812k102,963Nov 19, 2024
Nov 14, 2024Paul Blanchfield
President
SOpen-market sale
Common Stock10b5-1
-2,000$79.65$159k97,092Nov 18, 2024
Nov 14, 2024Paul Blanchfield
President
GGift
Common Stock10b5-1
-355$0.00$096,737Nov 18, 2024
Nov 8, 2024Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-7,487$86.32$646k447,436Nov 12, 2024
Nov 8, 2024Mary Anne Heino
Executive Chair and CEO
SOpen-market sale
Common Stock10b5-1
-400$86.93$35k447,036Nov 12, 2024

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

LNTH insider trading: Lantheus Holdings, Inc. | InsiderTell