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Who

Michael S. Perry

Director

Company insider

Files Form 4 as: Director, Arrowhead Pharmaceuticals; Chief Executive Officer, Avita Medical; Director, Armata Pharmaceuticals; President & CMO, Poniard Pharmaceuticals.

In numbers

Trades disclosed
96
Buys
3
Sells
19
Bought
$200K
Sold
$14.2M
Companies
4
Companies where not an officer
2
First trade
8 May 2006
Last trade
18 Aug 2026
Last filed
20 Aug 2026

Companies traded

Where they are an officer
RCEL Avita MedicalDirector, Officer · Medical Devices · last 21 Nov 20220 buys · 9 sells
Poniard PharmaceuticalsOfficer · last 27 Mar 20120 buys · 3 sells
Everywhere else they filed: board seats, 10% stakes, other companies
ARWR Arrowhead PharmaceuticalsDirector · Biotechnology · last 18 Aug 20260 buys · 7 sells
ARMP Armata PharmaceuticalsDirector · Biotechnology · last 22 May 20193 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Aug 2026filed 20 Aug 2026ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Sold$1.0M11,600 at $87.30filing
18 Aug 2026filed 20 Aug 2026ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Sold$1.0M11,600 at $87.30filing
16 Dec 2025filed 18 Dec 2025ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Code A—7,819 at $0.00filing
5 Dec 2025filed 9 Dec 2025ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Sold$992K16,250 at $61.03filing
18 Dec 2024filed 20 Dec 2024ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Code A$385K16,733 at $22.99filing
15 Dec 2023filed 19 Dec 2023ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Code A$381K14,987 at $25.41filing
10 Jan 2023filed 11 Jan 2023ARWR Arrowhead Pharmaceuticalsoption or derivative · BiotechnologySEC FORM 4 Code A—4,593 at $0.00filing
10 Jan 2023filed 11 Jan 2023ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Code A—7,867 at $0.00filing
21 Nov 2022filed 22 Nov 2022RCEL Avita Medicaloption or derivative · Medical DevicesSEC FORM 4 Code M—150,000 at $0.00filing
21 Nov 2022filed 22 Nov 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Code M$899K150,000 at $5.99filing
21 Nov 2022filed 22 Nov 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Sold$1.1M150,000 at $7.18filing
1 Sep 2022filed 6 Sep 2022RCEL Avita Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—3,450 at $0.00filing
1 Sep 2022filed 6 Sep 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Code A—2,980 at $0.00filing
1 Jun 2022filed 2 Jun 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Code J—23,754 at $0.00filing
24 Feb 2022filed 25 Feb 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Sold$94K10,812 at $8.74filing
23 Feb 2022filed 25 Feb 2022RCEL Avita Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—3,450 at $0.00filing
23 Feb 2022filed 25 Feb 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Code A—23,753 at $0.00filing
23 Feb 2022filed 25 Feb 2022RCEL Avita MedicalMedical DevicesSEC FORM 4 Code A—5,960 at $0.00filing
7 Jan 2022filed 7 Jan 2022ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Code A—6,400 at $0.00filing
3 Jan 2022filed 4 Jan 2022ARWR Arrowhead PharmaceuticalsBiotechnologySEC FORM 4 Sold$169K2,628 at $64.30filing

Sectors

Health Care19
Not placed3

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

Related people

David D. O'TooleCFO · CFO at AVITA Medical, filing Form 4 there in the last year
Joseph Fralin WoodyDirector · Director at AVITA Medical, filing Form 4 there in the last year
Robert McNamaraDirector · Director at AVITA Medical, filing Form 4 there in the last year
Michael E. TarnoffDirector · Director at AVITA Medical, filing Form 4 there in the last year
Suzanne CroweDirector · Director at AVITA Medical, filing Form 4 there in the last year
Adeoye Y. OlukotunDirector · Also traded ARWR in the last 90 days