undamentalytics Newsletter

ResMed| insider trading

Every open-market purchase and sale by ResMed|'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
ResMed| insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following ResMed|’s insiders pay?

From February 11, 2010 to August 19, 2025, 23 insiders reported 1 open-market purchase and 188 sales not made under a pre-set plan in ResMed|. Twelve months after each purchase was reported, the shares were −6.0% against the S&P 500 on average (median −6.0%), over 1 purchase with a full year of prices; 0% beat the index. After sales, the shares moved −1.4% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into.

ResMed|: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Sandercock Brett Chief Financial Officer 0 — — 28 −5.0% (28) November 29, 2023
Darkin Donald Pres. Global Innovation and Op 0 — — 15 −1.3% (15) November 13, 2015
Roberts Christopher G Director 0 — — 15 −1.5% (15) February 24, 2017
Farrell Michael J. Chief Executive Officer 0 — — 13 −4.4% (13) November 27, 2024
Reiser Anne President - ResMed Europe 0 — — 13 −2.7% (13) March 2, 2016
Wareham John P Director 0 — — 13 +2.3% (13) November 5, 2019
Farrell Peter C Chairman of the Board 0 — — 11 −2.7% (11) February 23, 2024
Douglas Robert Andrew President and COO ResMed Inc. 0 — — 10 +2.7% (10) November 20, 2019
Pace Gary W Director 0 — — 9 +7.4% (9) May 10, 2018
Sulpizio Richard Director 0 — — 9 +7.3% (9) June 1, 2018
Taylor Ronald R Director 1 −6.0% (1) 0% 8 −5.8% (8) February 22, 2021
Gallahue Kieran Chief Executive Officer 0 — — 8 −20.8% (8) January 7, 2011
Quinn Michael A Director 0 — — 7 +6.0% (7) August 30, 2013
Pendarvis David Chief Administrative Officer 0 — — 6 −6.5% (6) February 13, 2014
Mchale Richard President, RC Business 0 — — 5 +16.1% (5) February 12, 2020
Hollingshead James President, Sleep Business 0 — — 4 +14.4% (4) November 18, 2019
Leong Justin Chief Product Officer 0 — — 4 −13.9% (4) November 25, 2024
Jacobsen Stein President - Europe 0 — — 3 +3.5% (3) November 28, 2011
Burt Carol Director 0 — — 2 +2.1% (2) November 23, 2021
Drexler Karen Director 0 — — 2 −19.6% (2) April 30, 2024
De Witte Jan Director 0 — — 1 +1.8% (1) May 17, 2024
Hernandez John Director 0 — — 1 −40.4% (1) August 19, 2025
Sodhi Rajwant President, SaaS Business 0 — — 1 +48.6% (1) February 27, 2019

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded ResMed|

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of ResMed| in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After 13 selling crowds, −0.8%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
November 30, 20224 selling−3.9%−9.6%−44.4%
November 29, 20195 selling+14.7%+8.2%+23.9%
November 30, 20183 selling−10.8%0.0%+20.9%
January 31, 20184 selling+1.7%+6.4%−3.4%
August 31, 20165 selling−9.2%−1.2%+2.5%
March 31, 20164 selling+6.8%+6.6%+8.9%
November 30, 20153 selling+0.7%−1.5%−1.7%
September 30, 20143 selling+9.8%+40.9%+6.3%
September 30, 20133 selling−20.2%−26.6%−24.3%
November 30, 20113 selling+4.8%+13.7%+41.9%
June 30, 20114 selling+5.9%−14.9%−4.5%
September 30, 20103 selling−2.8%−25.9%−14.8%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Latest 12 of 13. Total returns from the month end; past patterns are not a forecast.

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