investing-statsSEC Form 4 insider transactions

MASI

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Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON

No open-market insider trades stored for MASI in the last 90 days. The full filing history below may still show grants, exercises, or older activity.

Recent filings

How to read this

Filed
Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
Ticker
The issuer's stock symbol. Select it to open that company's insider-activity page.
Issuer
The company whose shares were traded.
Sector
The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
Insider
The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
Role
The insider's relationship to the company: director, officer, or 10% owner.
Code
SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
Side
Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
10b5-1
Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
Shares
Number of shares in this transaction.
Price
Reported price per share. Blank for grants, gifts, and other trades with no stated price.
Value
Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
Owned after
Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
Own Δ
How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
Co. Δ
Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
D/I
Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
Lag
Days from the trade date to the filing date (Form 4 is due within 2 business days).

Transaction codes

Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.

P
Open market or private purchase of non-derivative or derivative security
S
Open market or private sale of non-derivative or derivative security
A
Grant, award or other acquisition pursuant to Rule 16b-3(d)
D
Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
F
Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
M
Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
G
Bona fide gift
C
Conversion of derivative security
X
Exercise of in-the-money or at-the-money derivative security
J
Other acquisition or disposition (describe transaction)
Recent Form 4 filings for MASI
FiledDate the Form 4 was filed with the SEC (due within 2 business days of the trade).InsiderRoleCodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S).SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼).SharesNumber of shares in this transaction.PriceReported price per share. Blank for trades with no stated price.ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ).Owned afterShares the insider held (directly or indirectly) immediately after this trade.Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable.Link to SEC filing
2026-06-12Solomon Darlene J. S.DirectorD sell1,119 1,119 Common Stock0filing
2026-06-12Solomon Darlene J. S.DirectorD sell3,0150$180.00$542.7K0−100%−<0.01% (now 0%)filing
2026-06-12Scannell Timothy JDirectorD sell1,119 1,119 Common Stock0filing
2026-06-12Scannell Timothy JDirectorD sell2,6080$180.00$469.4K0−100%−<0.01% (now 0%)filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell3,855 3,855 Common Stock$22.47$86.6K0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell4,422 4,422 Common Stock$0.58$2.6K0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell7,235 7,235 Common Stock$46.50$336.4K0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell10,000 10,000 Common Stock$93.05$930.5K0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell10,000 10,000 Common Stock$89.13$891.3K0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell6,840 6,840 Common Stock0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell4,828 4,828 Common Stock0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell5,158 5,158 Common Stock0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell1,820 1,820 Common Stock0filing
2026-06-12Sampath AnandOfficer (EVP, Operations)D sell33,9010$180.00$6.10M0−100%−0.06% (now 0%)filing
2026-06-12Meehan Greg AllenOfficer (Chief Commercial Officer)D sell5,801 5,801 Common Stock$180.00$1.04M0filing
2026-06-12Meehan Greg AllenOfficer (Chief Commercial Officer)D sell4,306 4,306 Common Stock$24.87$107.1K0filing
2026-06-12Meehan Greg AllenOfficer (Chief Commercial Officer)D sell8,550 8,550 Common Stock0filing
2026-06-12Meehan Greg AllenOfficer (Chief Commercial Officer)D sell1,933 1,933 Common Stock0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell10,485 10,485 Common Stock$180.00$1.89M0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell16,898 16,898 Common Stock$180.00$3.04M0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell7,739 7,739 Common Stock$13.48$104.3K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell11,954 11,954 Common Stock$53.51$639.7K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell6,362 6,362 Common Stock$22.47$143.0K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell6,633 6,633 Common Stock$0.58$3.8K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell5,788 5,788 Common Stock$46.50$269.1K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell4,175 4,175 Common Stock$93.05$388.5K0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell20,000 20,000 Common Stock$95.03$1.90M0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell17,671 17,671 Common Stock0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell2,622 2,622 Common Stock0filing
2026-06-12Young Micah WOfficer (EVP, Chief Financial Officer)D sell25,6560$180.00$4.62M0−100%−0.05% (now 0%)filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell49,243 49,243 Common Stock$180.00$8.86M0filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell18,617 18,617 Common Stock$13.48$251.0K0filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell39,904 39,904 Common Stock0filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell6,306 6,306 Common Stock0filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell22,283 22,283 Common Stock0filing
2026-06-12Szyman Catherine M.Director, Officer (Chief Executive Officer)D sell7,6050$180.00$1.37M0−100%−0.01% (now 0%)filing
2026-06-12LANE WENDY EDirectorD sell1,119 1,119 Common Stock0filing
2026-06-12LANE WENDY EDirectorD sell2,6080$180.00$469.4K0−100%−<0.01% (now 0%)filing
2026-06-12Politan Capital Management LP +3 moreDirector by deputizationJ sell130,869 130,869 Common Stock0filing
2026-06-12Politan Capital Management LP +3 moreDirector by deputizationJ sell142,681 142,681 Common Stock0filing
2026-06-12Politan Capital Management LP +3 moreDirector by deputizationD sell1,119 1,119 Common Stock0filing
2026-06-12Politan Capital Management LP +3 moreDirector by deputizationD sell4,590,8730$180.00$826.36M0−100%−8.8% (now 0%)filing
2026-06-12Hellmann Elisabeth AOfficer (Chief Human Resources Officer)D sell4,020 4,020 Common Stock$180.00$723.6K0filing
2026-06-12Hellmann Elisabeth AOfficer (Chief Human Resources Officer)D sell2,873 2,873 Common Stock$30.76$88.4K0filing
2026-06-12Hellmann Elisabeth AOfficer (Chief Human Resources Officer)D sell5,985 5,985 Common Stock0filing
2026-06-12Hellmann Elisabeth AOfficer (Chief Human Resources Officer)D sell1,005 1,005 Common Stock0filing
2026-06-12Hellmann Elisabeth AOfficer (Chief Human Resources Officer)D sell2140$180.00$38.5K0−100%−<0.01% (now 0%)filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell3,134 3,134 Common Stock0filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell3,380 3,380 Common Stock0filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell3,224 3,224 Common Stock0filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell910 910 Common Stock0filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell627 627 Common Stock0filing
2026-06-12Hataishi PaulOfficer (SVP, Chief Accounting Officer)D sell13,3170$180.00$2.40M0−100%−0.03% (now 0%)filing
2026-06-12Dadswell CharlesOfficer (EVP, General Counsel)D sell10,261 10,261 Common Stock0filing
2026-06-12Dadswell CharlesOfficer (EVP, General Counsel)D sell11,886 11,886 Common Stock0filing
2026-06-12Brennan MichelleDirector, Chairman of the BoardD sell1,119 1,119 Common Stock0filing
2026-06-12Brennan MichelleDirector, Chairman of the BoardD sell9,3090$180.00$1.68M0−100%−0.02% (now 0%)filing
2026-06-12Benner TimOfficer (Chief Marketing Officer)D sell3,490 3,490 Common Stock$180.00$628.2K0filing
2026-06-12Benner TimOfficer (Chief Marketing Officer)D sell2,537 2,537 Common Stock$8.12$20.6K0filing
2026-06-12Benner TimOfficer (Chief Marketing Officer)D sell6,128 6,128 Common Stock0filing
2026-06-12Benner TimOfficer (Chief Marketing Officer)D sell1,163 1,163 Common Stock0filing
2026-05-05Scannell Timothy JDirectorA buy1,119 1,119 Common Stock$178.71$200.0K2,238filing
2026-05-05Scannell Timothy JDirectorM sell1,225 1,225 Common Stock0filing
2026-05-05Scannell Timothy JDirectorM buy1,22502,608+89%+<0.01% (now <0.01%)filing
2026-05-05LANE WENDY EDirectorA buy1,119 1,119 Common Stock$178.71$200.0K2,238filing
2026-05-05LANE WENDY EDirectorM sell1,225 1,225 Common Stock0filing
2026-05-05LANE WENDY EDirectorM buy1,22502,608+89%+<0.01% (now <0.01%)filing
2026-05-05Hellmann Elisabeth AOfficer (Chief Human Resources Officer)M sell335 335 Common Stock1,005filing
2026-05-05Hellmann Elisabeth AOfficer (Chief Human Resources Officer)F sell1210$178.43$21.6K214−36%−<0.01% (now <0.01%)filing
2026-05-05Hellmann Elisabeth AOfficer (Chief Human Resources Officer)M buy3350335new+<0.01% (now <0.01%)filing
2026-05-05Brennan MichelleDirector, Chairman of the BoardA buy1,119 1,119 Common Stock$178.71$200.0K2,238filing
2026-05-05Brennan MichelleDirector, Chairman of the BoardM sell1,225 1,225 Common Stock0filing
2026-05-05Brennan MichelleDirector, Chairman of the BoardM buy1,22508,543+17%+<0.01% (now 0.02%)filing

Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.