Insider transactions

Steven Barker

CIK 1403429 · last filed 2020-06-02

Steven Barker is a corporate insider who has filed 34 SEC Form 4 insider transactions across 1 company since 2008. The most recent filing shows the insider exercised options covering $313.2K of MASI on Jun 2, 2020. Across all open-market trades the lifetime net is −$21.5M, making them a net seller over the disclosed history. 35 SEC filings were submitted jointly with MASIMO CORP.

"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
$0
Companies
1
Total Filings
34
Lifetime Open-Market Net
-$21.46M

Charts

Trading activity, where the exposure sits, and each trade against the stock price.

Filer Profile

Reported Address
C/O MASIMO CORPORATION
40 PARKER
IRVINE, CA 92618
Related Filers
MASIMO CORP — 35 joint filings, latest 2020-06-02
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
MASIMO CORP (MASI) Delisted Director 67,549 $179.95 $12.16M -$21.46M 34 2020-06-02

Recent Filings

34 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
2020-06-02 MASIMO CORP (MASI) Delisted Exer (M) +1,304 $313.2K EDGAR
2020-04-15 MASIMO CORP (MASI) Delisted Mixed — -$1.48M EDGAR
2020-01-24 MASIMO CORP (MASI) Delisted Mixed — -$1.47M EDGAR
2019-07-30 MASIMO CORP (MASI) Delisted Mixed — -$1.32M EDGAR
2019-07-03 MASIMO CORP (MASI) Delisted Mixed — -$1.30M EDGAR
2019-06-03 MASIMO CORP (MASI) Delisted Mixed +1,413 $194.9K EDGAR
2019-05-17 MASIMO CORP (MASI) Delisted Mixed — -$1.23M EDGAR
2019-04-02 MASIMO CORP (MASI) Delisted Mixed — -$1.20M EDGAR
2019-03-29 MASIMO CORP (MASI) Delisted Mixed — -$1.13M EDGAR
2019-02-27 MASIMO CORP (MASI) Delisted Mixed — -$587.3K EDGAR
Showing 1–10 of 34
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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.