Robert J. Marshall Jr.

CFO and Treasurer · Lantheus Holdings, Inc.

IndividualSelling only1 10b5-1 trade

First filing: 2024
Latest filing: Mar 9, 2026
Filings: 5

Profile

Robert J. Marshall Jr. serves as CFO and Treasurer of Lantheus Holdings, Inc. (LNTH). Marshall has also held reporting roles at Lifeward Ltd. (LFWD). Marshall has reported 5 insider filings with the SEC since 2024. The most recent filing was in March 2026.

Role: CFO and Treasurer

Board memberships

Lantheus Holdings, Inc.
Lifeward Ltd.

Career & Filing History

Every role Robert J. Marshall Jr. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.

CFO and Treasurer
at Lantheus Holdings, Inc. (LNTH)
4 filings, 2024 to 2026
Director
at Lifeward Ltd. (LFWD)
1 filing, 2025

Companies - All Time

Lantheus Holdings, Inc. (LNTH)4 filings
last Mar 9, 2026
Lifeward Ltd. (LFWD)1 filing
last Aug 1, 2025

Filings (90d)

0 companies

Purchases

Sales

$812K

Summary

Updated Aug 31, 2026

Robert J. Marshall Jr. is CFO and Treasurer of Lantheus Holdings, Inc. (LNTH). 5 SEC Form 4 filings on record going back to 2024, most recently on 9 March 2026. Most recent open-market trade: sold $812K of LNTH on 19 November 2024. Lifetime open-market sales: $812K.

Recent Transactions

Every recent SEC Form 4 transaction Robert J. Marshall Jr. has reported, most recent first.

All7Sells1Awards3Withholding310b5-11

$LNTH Lantheus Holdings, Inc.
Mar 9, 2026
F - Tax withholding / forfeiture
1.2K shares @ $76.31$90K
$LNTH Lantheus Holdings, Inc.
Mar 9, 2026
A - Grant or award
38.0K shares @ $0.00-
$LNTH Lantheus Holdings, Inc.
Mar 4, 2026
F - Tax withholding / forfeiture
10.7K shares @ $76.30$813K
$LNTH Lantheus Holdings, Inc.
Mar 4, 2026
A - Grant or award
8.5K shares @ $0.00-
$LNTH Lantheus Holdings, Inc.
Aug 29, 2025
F - Tax withholding / forfeiture
727 shares @ $54.90$40K
$LFWD Lifeward Ltd.
Aug 1, 2025
A - Grant or award
35.9K shares @ $0.00-
$LNTH Lantheus Holdings, Inc.
Nov 19, 2024
S - Open-market sale10b5-1
10.0K shares @ $81.20$812K

Trading Pattern

InsiderAlpha's records for Robert J. Marshall Jr. go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.

Other Insiders Active in the Same Stocks

Insiders who reported open-market trades in the last 12 months at the companies Robert J. Marshall Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.

Jeannine Lynch - $1K of LFWD open-market activity in the last 12 months

More Notable Insiders

Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:

Frequently Asked Questions

Who is Robert J. Marshall Jr.?

Robert J. Marshall Jr. is a corporate insider, tracked as CFO and Treasurer of Lantheus Holdings, Inc. (LNTH). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.

When did Robert J. Marshall Jr. last file a Form 4?

The most recent primary Form 4 on record is dated 9 March 2026, one of 5 filings going back to 2024.

Has Robert J. Marshall Jr. been buying or selling stock?

Recorded transactions: 0 open-market purchases and 1 open-market sale ($812K) across all tracked filings.

Where can I see all of Robert J. Marshall Jr.'s SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

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