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Who

David W. J. McGirr

Director

Company insider

Files Form 4 as: Director, Rhythm Pharmaceuticals; Director, Insmed; Director, X4 Pharmaceuticals; Director, Yarrow Bioscience; Director, Roka BioScience; Director, Relypsa; SVP & Chief Financial Officer, Cubist Pharmaceuticals; Director, Lifecell.

In numbers

Trades disclosed
171
Buys
2
Sells
15
Bought
$180K
Sold
$11.1M
Companies
8
Companies where not an officer
7
First trade
9 Jan 2006
Last trade
24 Jun 2026
Last filed
25 Jun 2026

Companies traded

Where they are an officer
Cubist PharmaceuticalsOfficer · last 16 Feb 20130 buys · 10 sells
Everywhere else they filed: board seats, 10% stakes, other companies
RYTM Rhythm PharmaceuticalsDirector · Biotechnology · last 24 Jun 20260 buys · 1 sell
INSM InsmedDirector · Biotechnology · last 9 Feb 20260 buys · 2 sells
XFOR X4 PharmaceuticalsDirector · Biotechnology · last 9 Jun 20250 buys · 0 sells
YARW Yarrow BioscienceDirector · Biotechnology · last 25 Jun 20190 buys · 0 sells
Roka BioScienceDirector · last 28 Jun 20172 buys · 0 sells
RelypsaDirector · last 1 Sep 20160 buys · 2 sells
LifecellDirector · last 19 May 20080 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
24 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—3,691 at $0.00filing
24 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—3,691 at $0.00filing
24 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—2,324 at $0.00filing
24 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—2,324 at $0.00filing
23 Jun 2026filed 25 Jun 2026RYTM Rhythm PharmaceuticalsBiotechnologySEC FORM 4 Code M—4,712filing
23 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—4,712 at $0.00filing
23 Jun 2026filed 25 Jun 2026RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—4,712 at $0.00filing
23 Jun 2026filed 25 Jun 2026RYTM Rhythm PharmaceuticalsBiotechnologySEC FORM 4 Code M—4,712filing
9 Feb 2026filed 11 Feb 2026INSM InsmedBiotechnologySEC FORM 4 Code G—53,400 at $0.00filing
9 Feb 2026filed 11 Feb 2026INSM InsmedBiotechnologySEC FORM 4 Code G—53,400 at $0.00filing
9 Feb 2026filed 11 Feb 2026INSM InsmedBiotechnologySEC FORM 4 Code G—53,400 at $0.00filing
9 Feb 2026filed 11 Feb 2026INSM InsmedBiotechnologySEC FORM 4 Code G—53,400 at $0.00filing
24 Jun 2025filed 26 Jun 2025RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—7,037 at $0.00filing
24 Jun 2025filed 26 Jun 2025RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—4,712 at $0.00filing
18 Jun 2025filed 23 Jun 2025RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—4,000 at $0.00filing
18 Jun 2025filed 23 Jun 2025RYTM Rhythm PharmaceuticalsBiotechnologySEC FORM 4 Code M—4,000filing
9 Jun 2025filed 10 Jun 2025XFOR X4 PharmaceuticalsBiotechnologySEC FORM 4 Code A—1,500 at $0.00filing
4 Jun 2025filed 4 Jun 2025INSM InsmedBiotechnologySEC FORM 4 Sold$220K3,000 at $73.27filing
3 Jun 2025filed 5 Jun 2025RYTM Rhythm Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code M—65,431 at $0.00filing
3 Jun 2025filed 5 Jun 2025RYTM Rhythm PharmaceuticalsBiotechnologySEC FORM 4 Code M$300K65,431 at $4.59filing

News

Rhythm Pharmaceuticals Announces Commercial Launch of IMCIVREE® (setmelanotide) in Japan for Patients with Acquired Hypothalamic ObesityRYTM · manilatimes.net · 14 Oct 2026

0 headlines in the last 90 days name David W. J. McGirr; 1 article from the last 14 days about the 2 companies they traded most, at most three about any one of them.

Sectors

Health Care3
Not placed14

Buys in green, sells in red, by the company’s sector.

Related people

David P. MeekerPresident and CEO · Also traded RYTM in the last 90 days
David R. BrennanDirector · Also traded INSM in the last 90 days
Hunter C. SmithChief Financial Officer · Also traded RYTM in the last 90 days
Melvin SharokyDirector · Also traded INSM in the last 90 days
Alastair GarfieldChief Scientific Officer · Also traded RYTM in the last 90 days
Jennifer Kayden LeeEVP, Head of North America · Also traded RYTM in the last 90 days
Joseph ShulmanChief Technical Officer · Also traded RYTM in the last 90 days
Yann MazabraudEVP, Head of International · Also traded RYTM in the last 90 days