Companies: 10,795·Total market cap: $144.5T
Lantheus Holdings, Inc.

Lantheus Holdings, Inc.

LNTHNASDAQHealthcare● Active
$100.98
$-1.84(-1.79%)
Market Cap$6.6B
P/E Ratio
52W High$104
52W Low$47.25

Lantheus Holdings, Inc. (LNTH) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · LNTH · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

14

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Lantheus Holdings, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

LNTH insider buying and selling by quarter

LNTH insider selling · LNTH insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
6.8M3.4M0
2025 Q2
2025 Q3
2025 Q4
2026 Q1

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · LNTH ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

LNTH executive sell shares · LNTH board member insider trading · LNTH insider trading SEC filing

Showing 78 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

McHugh Julie

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Morrow Phuong Khanh

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Maeusli Heinz Christoph

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

LENO SAM R

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Pruden Gary J

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Baylor-Henry Minnie

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Ber Gerard

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Thrall James H

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

EASTLAND JULIA MARIE

Director

Award

Date

May 14

Shares

4,137

Price

Value

View Form 4 on SEC.gov

Niedzwiecki Daniel

See Remarks

Other

Date

Apr 17

Shares

1,911

Price

$83.82

Value

$160K

View Form 4 on SEC.gov

Niedzwiecki Daniel

See Remarks

Award

Date

Mar 5

Shares

36,692

Price

Value

View Form 4 on SEC.gov

Niedzwiecki Daniel

See Remarks

Other

Date

Mar 5

Shares

1,283

Price

$76.31

Value

$98K

View Form 4 on SEC.gov

Dinkelborg Ludger

See Remarks

Award

Date

Mar 5

Shares

20,966

Price

Value

View Form 4 on SEC.gov

Marshall Robert J. Jr.

CFO and Treasurer

Award

Date

Mar 5

Shares

38,002

Price

Value

View Form 4 on SEC.gov

Marshall Robert J. Jr.

CFO and Treasurer

Other

Date

Mar 5

Shares

1,182

Price

$76.31

Value

$90K

View Form 4 on SEC.gov

Brown Kimberly

CAO

Award

Date

Mar 5

Shares

6,158

Price

Value

View Form 4 on SEC.gov

Brown Kimberly

CAO

Other

Date

Mar 5

Shares

133

Price

$76.31

Value

$10K

View Form 4 on SEC.gov

Morgan Amanda Michelle

Chief Commercial Officer

Award

Date

Mar 5

Shares

26,208

Price

Value

View Form 4 on SEC.gov

Morgan Amanda Michelle

Chief Commercial Officer

Other

Date

Mar 5

Shares

595

Price

$76.31

Value

$45K

View Form 4 on SEC.gov

Niedzwiecki Daniel

See Remarks

Award

Date

Mar 2

Shares

5,169

Price

Value

View Form 4 on SEC.gov

Niedzwiecki Daniel

See Remarks

Other

Date

Mar 2

Shares

8,259

Price

$76.30

Value

$630K

View Form 4 on SEC.gov

Morgan Amanda Michelle

Chief Commercial Officer

Award

Date

Mar 2

Shares

2,782

Price

Value

View Form 4 on SEC.gov

Morgan Amanda Michelle

Chief Commercial Officer

Other

Date

Mar 2

Shares

3,336

Price

$76.30

Value

$255K

View Form 4 on SEC.gov

Marshall Robert J. Jr.

CFO and Treasurer

Award

Date

Mar 2

Shares

8,491

Price

Value

View Form 4 on SEC.gov

Marshall Robert J. Jr.

CFO and Treasurer

Other

Date

Mar 2

Shares

10,652

Price

$76.30

Value

$813K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About LNTH insider trading

LNTH insider trades

Lantheus Holdings, Inc. (LNTH) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Marshall Robert J. Jr. (CFO and Treasurer), Niedzwiecki Daniel (See Remarks), Morgan Amanda Michelle (Chief Commercial Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. LNTH insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Lantheus Holdings, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

LNTH insider trading · 5 questions

The insiders of Lantheus Holdings, Inc. (LNTH) include executives and directors such as Marshall Robert J. Jr. (CFO and Treasurer), Niedzwiecki Daniel (See Remarks), Morgan Amanda Michelle (Chief Commercial Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

LNTH board member insider tradingwho are LNTH insidersLNTH insider rosterLantheus Holdings, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026