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

Gregory L. Summe

Director

Company insider

Files Form 4 as: Director, Grail; Director, NXP Semiconductors; Director, Wheels Up Experience; Director, Avantor; Director, State Street; Director, Virgin Orbit Holdings; Director, Lmi Aerospace; 10% owner, Regional Management.

In numbers

Trades disclosed
516
Buys
10
Sells
29
Bought
$8.0M
Sold
$99.0M
Companies
11
Companies where not an officer
10
First trade
7 Feb 2001
Last trade
15 Oct 2026
Last filed
16 Oct 2026

Companies traded

Where they are an officer
RVTY RevvityDirector, Officer · Life-science tools · last 27 Feb 20090 buys · 22 sells
Everywhere else they filed: board seats, 10% stakes, other companies
GRAL GrailDirector · Diagnostics & Labs · last 15 Oct 20260 buys · 0 sells
NXPI NXP SemiconductorsDirector · Semiconductors · last 10 Jun 20260 buys · 1 sell
UP Wheels Up ExperienceDirector · Airlines & Air Freight · last 9 Jun 20260 buys · 0 sells
AVTR AvantorDirector · Life-science tools · last 7 May 20267 buys · 0 sells
STT State StreetDirector · Capital Markets & Asset Management · last 18 Feb 20252 buys · 1 sell
Virgin Orbit HoldingsDirector · last 29 Dec 20210 buys · 0 sells
Lmi AerospaceDirector · last 27 Jun 20171 buy · 1 sell
RM Regional Management10% owner · Consumer & Specialty Finance · last 29 Jul 20160 buys · 3 sells
Freescale SemiconductorDirector · last 7 Dec 20150 buys · 0 sells
ADP Automatic Data ProcessingDirector · Payments & Processors · last 25 Nov 20130 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
103Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Oct 2026filed 16 Oct 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$32K237 at $135.46filing
15 Jul 2026filed 16 Jul 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$32K427 at $74.36filing
15 Jul 2026filed 16 Jul 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$32K427 at $74.36filing
18 Jun 2026filed 22 Jun 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$350K5,491 at $63.74filing
18 Jun 2026filed 22 Jun 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$350K5,491 at $63.74filing
10 Jun 2026filed 12 Jun 2026NXPI NXP SemiconductorsSemiconductorsSEC FORM 4 Code M—1,035 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP SemiconductorsSemiconductorsSEC FORM 4 Code F$153K513 at $297.41filing
10 Jun 2026filed 12 Jun 2026NXPI NXP Semiconductorsoption or derivative · SemiconductorsSEC FORM 4 Code M—1,035 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP Semiconductorsoption or derivative · SemiconductorsSEC FORM 4 Code M—1,035 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP Semiconductorsoption or derivative · SemiconductorsSEC FORM 4 Code A—841 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP Semiconductorsoption or derivative · SemiconductorsSEC FORM 4 Code A—841 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP SemiconductorsSemiconductorsSEC FORM 4 Code M—1,035 at $0.00filing
10 Jun 2026filed 12 Jun 2026NXPI NXP SemiconductorsSemiconductorsSEC FORM 4 Code F$153K513 at $297.41filing
9 Jun 2026filed 10 Jun 2026UP Wheels Up ExperienceAirlines & Air FreightSEC FORM 4 Code A—24,305 at $0.00filing
9 Jun 2026filed 10 Jun 2026UP Wheels Up ExperienceAirlines & Air FreightSEC FORM 4 Code A—24,305 at $0.00filing
7 May 2026filed 11 May 2026AVTR AvantorLife-science toolsSEC FORM 4 Code A—25,270 at $0.00filing
7 May 2026filed 11 May 2026AVTR AvantorLife-science toolsSEC FORM 4 Code A—25,270 at $0.00filing
15 Apr 2026filed 17 Apr 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$31K631 at $49.79filing
15 Apr 2026filed 17 Apr 2026GRAL GrailDiagnostics & LabsSEC FORM 4 Code A$31K631 at $49.79filing
12 Feb 2026filed 12 Feb 2026AVTR AvantorLife-science toolsSEC FORM 4 Bought$940K100,000 at $9.40filing

The newest 500 lines are listed; the numbers count every line.

News

Head-To-Head Contrast: Avantor (NYSE:AVTR) vs. Medpace (NASDAQ:MEDP)AVTR · dailypolitical.com · 6 Oct 2026

0 headlines in the last 90 days name Gregory L. Summe; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care29
Financials7
Technology1
Not placed2

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

Related people

Anita GonzalesVP and CAO · VP and CAO at Revvity, filing Form 4 there in the last year
Maxwell KrakowiakPlease See Remarks · Please See Remarks at Revvity, filing Form 4 there in the last year
Tajinder S. VohraPlease See Remarks · Please See Remarks at Revvity, filing Form 4 there in the last year
Alexis P. MichasDirector · Director at Revvity, filing Form 4 there in the last year
Joel S. GoldbergPlease See Remarks · Please See Remarks at Revvity, filing Form 4 there in the last year
Gilbert Ray Cisneros, Jr.Representative, CA-31 · Also traded NXPI and RVTY in the last 90 days
Christopher L. JensenEVP, Chief People Officer · Also traded NXPI in the last 90 days
Forager Fund, L.P.10% owner · Also traded RM in the last 90 days