rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Thomas A. West

Director

Company insider

Files Form 4 as: Director, CeriBell; Director, Si-Bone; Director, Inogen; Director, Orthofix Medical; President and CEO, Intersect ENT; Div President & GM, Diagnostic, Hologic.

In numbers

Trades disclosed
65
Buys
1
Sells
0
Bought
$161K
Sold
$0
Companies
6
Companies where not an officer
4
First trade
3 Oct 2014
Last trade
28 Jul 2026
Last filed
30 Jul 2026

Companies traded

Where they are an officer
Intersect ENTDirector, Officer · last 13 May 20221 buy · 0 sells
HologicOfficer · last 1 Dec 20180 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
CBLL CeriBellDirector · Medical Devices · last 28 Jul 20260 buys · 0 sells
SIBN Si-BoneDirector · Medical Devices · last 4 Jun 20260 buys · 0 sells
INGN InogenDirector · Medical Devices · last 5 Jun 20240 buys · 0 sells
OFIX Orthofix MedicalDirector · Medical Devices · last 31 Oct 20220 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Jul 2026filed 30 Jul 2026CBLL CeriBellMedical DevicesSEC FORM 4 Code A—16,011 at $0.00filing
28 Jul 2026filed 30 Jul 2026CBLL CeriBellMedical DevicesSEC FORM 4 Code A—16,011 at $0.00filing
4 Jun 2026filed 8 Jun 2026SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—10,957 at $0.00filing
4 Jun 2026filed 8 Jun 2026SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—10,957 at $0.00filing
5 Jun 2025filed 6 Jun 2025SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—8,675 at $0.00filing
26 Jun 2024filed 27 Jun 2024SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—8,791 at $0.00filing
26 Jun 2024filed 27 Jun 2024SIBN Si-BoneMedical DevicesSEC FORM 4 Code A—18,315 at $0.00filing
5 Jun 2024filed 7 Jun 2024INGN InogenMedical DevicesSEC FORM 4 Code A—21,871 at $0.00filing
31 May 2023filed 2 Jun 2023INGN InogenMedical DevicesSEC FORM 4 Code A—17,094 at $0.00filing
1 Apr 2023filed 4 Apr 2023INGN InogenMedical DevicesSEC FORM 4 Code A—1,712 at $0.00filing
31 Oct 2022filed 11 Jan 2023OFIX Orthofix MedicalMedical DevicesSEC FORM 4 Code A$6,989512 at $13.65filing
6 Jun 2022filed 8 Jun 2022OFIX Orthofix MedicalMedical DevicesSEC FORM 4 Code A—6,383 at $0.00filing
13 May 2022filed 16 May 2022Intersect ENToption or derivativeSEC FORM 4 Code U$2.2M78,700 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENToption or derivativeSEC FORM 4 Code U$3.3M118,461 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENToption or derivativeSEC FORM 4 Code U$2.8M97,960 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENToption or derivativeSEC FORM 4 Code U$12.1M427,147 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENTSEC FORM 4 Code U$1.1M39,700 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENTSEC FORM 4 Code U$3.0M104,456 at $28.25filing
13 May 2022filed 16 May 2022Intersect ENTSEC FORM 4 Code U$5.9M207,592 at $28.25filing
4 Feb 2022filed 4 Feb 2022Intersect ENTSEC FORM 4 Code F$132K4,823 at $27.28filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Not placed1

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

Related people

Stephen P. MacmillanChairman, President and CEO · Chairman, President and CEO at Hologic, filing Form 4 there in the last year
Martin D. MadausInterim CEO · Director at Hologic, filing Form 4 there in the last year
Karleen Marie ObertonChief Financial Officer · Chief Financial Officer at Hologic, filing Form 4 there in the last year
Charles J. DockendorffDirector · Director at Hologic, filing Form 4 there in the last year
Amy McBride WendellDirector · Director at Hologic, filing Form 4 there in the last year