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SAM R LENO

CIK 1238660 · EVP & Chief Operations Officer · last filed 2026-05-18

SAM R LENO is an EVP & Chief Operations Officer who has filed 55 SEC Form 4 insider transactions across 4 companies since 2007. The most recent filing, for LNTH, was dated May 18, 2026. Across all open-market trades the lifetime net is −$11.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $28.0M across reported positions. 29 SEC filings were submitted jointly with Lantheus Holdings, Inc.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$27.97M

Companies

4

Total Filings

55

Lifetime Open-Market Net

-$11.44M

Filer Profile

Reported Address
C/O BOSTON SCIENTIFIC CORPORATION
ONE BOSTON SCIENTIFIC PLACE
NATICK, MA 01760
Related Filers
Lantheus Holdings, Inc. — 29 joint filings, latest 2026-05-18
ZIMMER BIOMET HOLDINGS, INC. — 11 joint filings, latest 2007-05-07
BOSTON SCIENTIFIC CORP — 5 joint filings, latest 2011-06-08
Profile details as reported on the filer's SEC submissions — for individual insiders the address is often in care of the issuer. Related filers are identified from jointly filed SEC submissions and shared reported addresses. View filings on SEC EDGAR.

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
LNTH Director 67,246 $100.25 $6.74M -$3.02M 24 2026-05-18
TomoTherapy Inc (TOMO) Delisted Director 0 — — $0 4 2011-06-14
BSX EVP & Chief Operations Officer 432,240 $42.98 $18.58M $0 16 2011-06-08
ZBH EVP 28,373 $93.49 $2.65M -$8.42M 3 2007-05-07

Recent Filings

55 filings
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2026-05-18 LNTH Grant (A) +4,137 $0 EDGAR
2025-05-16 LNTH Grant (A) +2,537 $0 EDGAR
2024-05-13 LNTH Grant (A) +2,635 $0 EDGAR
2024-03-07 LNTH Mixed — -$195.3K EDGAR
2024-03-06 LNTH Notice (144) −2,045 -$129.9K EDGAR
2024-03-06 LNTH Mixed — -$1.02M EDGAR
2024-03-05 LNTH Notice (144) −2,045 -$133.4K EDGAR
2024-03-04 LNTH Notice (144) −22,389 -$1.46M EDGAR
2023-05-15 LNTH Grant (A) +2,012 $0 EDGAR
2023-03-29 LNTH Mixed — -$432.2K EDGAR
Showing 1–10 of 55
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Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.