Gregory L. Summe

CIK: 0001143422

Transaction Breakdown

Open Market Buys (P)7 (21.9%)

High conviction signal

Open Market Sales (S)2 (6.3%)

Position reduction

Option Exercises (M)2 (6.3%)

Derivative conversions

Awards (A)19 (59.4%)

Compensation grants

Other (G, F, J, C, D, …)2 (6.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (5)

GRAL

GRAIL, Inc.

Director

NXPI

NXP Semiconductors N.V.

Director

Wheels Up Experience Inc.

Director

AVTR

Avantor, Inc.

Director

STT

STATE STREET CORP

Director

Discretionary Trading P&L

Holdings

Transaction History (32 total)

GRAL
GRAIL, Inc.
Oct 15, 2026
Award(A)
Direct
237 shares at avg. $135.46$32K
GRAL
GRAIL, Inc.
Jul 15, 2026
Award(A)
Direct
427 shares at avg. $74.36$32K
GRAL
GRAIL, Inc.
Jun 18, 2026
Award(A)
Direct
5.5K shares at avg. $63.74$350K
NXPI
NXP Semiconductors N.V.
Jun 10, 2026
Award(A)
Restricted Stock Unit
Direct
841 shares-
NXPI
NXP Semiconductors N.V.
Jun 10, 2026
Exercise(M)
Direct
1K shares-
NXPI
NXP Semiconductors N.V.
Jun 10, 2026
Tax Payment(F)
Direct
513 shares at avg. $297.41$153K
UP
Wheels Up Experience Inc.
Jun 9, 2026
Award(A)
Direct
24.3K shares-
AVTR
Avantor, Inc.
May 7, 2026
Award(A)
Direct
25.3K shares-
GRAL
GRAIL, Inc.
Apr 15, 2026
Award(A)
Direct
631 shares at avg. $49.79$31K
AVTR
Avantor, Inc.
Feb 12, 2026
Purchase(P)
Indirect
100K shares at avg. $9.40$940K
GRAL
GRAIL, Inc.
Jan 15, 2026
Award(A)
Direct
329 shares at avg. $97.44$32K
AVTR
Avantor, Inc.
Oct 30, 2025
Purchase(P)
Indirect
100K shares at avg. $11.25$1.1M
GRAL
GRAIL, Inc.
Oct 15, 2025
Award(A)
Direct
425 shares at avg. $75.52$32K
AVTR
Avantor, Inc.
Aug 21, 2025
Purchase(P)
Indirect
100K shares at avg. $12.56$1.3M
GRAL
GRAIL, Inc.
Jul 15, 2025
Award(A)
Direct
825 shares at avg. $38.53$32K
NXPI
NXP Semiconductors N.V.
Jun 11, 2025
Award(A)
Restricted Stock Unit
Direct
1K shares-
UP
Wheels Up Experience Inc.
Jun 10, 2025
Award(A)
Direct
148K shares-
NXPI
NXP Semiconductors N.V.
May 29, 2025
Tax Payment(F)
Direct
407 shares at avg. $196.21$80K
NXPI
NXP Semiconductors N.V.
May 29, 2025
Exercise(M)
Direct
822 shares-
GRAL
GRAIL, Inc.
May 29, 2025
Award(A)
Direct
6.1K shares at avg. $41.10$250K
AVTR
Avantor, Inc.
May 23, 2025
Purchase(P)
Indirect
30K shares at avg. $12.50$375K
AVTR
Avantor, Inc.
May 22, 2025
Purchase(P)
Indirect
20K shares at avg. $12.65$253K
AVTR
Avantor, Inc.
May 8, 2025
Award(A)
Direct
17.1K shares-
AVTR
Avantor, Inc.
May 7, 2025
Purchase(P)
Indirect
25K shares at avg. $12.00$300K
AVTR
Avantor, Inc.
Apr 28, 2025
Purchase(P)
Indirect
25K shares at avg. $12.50$313K

		Type	Shares	Price		Ownership
Oct 15, 2026	GRAL GRAIL, Inc.	Award(A)	237	$135.46	$32,104	Direct
Jul 15, 2026	GRAL GRAIL, Inc.	Award(A)	427	$74.36	$31,752	Direct
Jun 18, 2026	GRAL GRAIL, Inc.	Award(A)	5,491	$63.74	$349,996	Direct
Jun 10, 2026	NXPI NXP Semiconductors N.V.	Award(A) Restricted Stock Unit	841	-	-	Direct
Jun 10, 2026	NXPI NXP Semiconductors N.V.	Exercise(M)	1,035	-	$0	Direct
Jun 10, 2026	NXPI NXP Semiconductors N.V.	Tax Payment(F)	513	$297.41	$152,571	Direct
Jun 9, 2026	UP Wheels Up Experience Inc.	Award(A)	24,305	-	$0	Direct
May 7, 2026	AVTR Avantor, Inc.	Award(A)	25,270	-	$0	Direct
Apr 15, 2026	GRAL GRAIL, Inc.	Award(A)	631	$49.79	$31,417	Direct
Feb 12, 2026	AVTR Avantor, Inc.	Purchase(P)	100,000	$9.40	$940,000	Indirect
Jan 15, 2026	GRAL GRAIL, Inc.	Award(A)	329	$97.44	$32,058	Direct
Oct 30, 2025	AVTR Avantor, Inc.	Purchase(P)	100,000	$11.25	$1,125,000	Indirect
Oct 15, 2025	GRAL GRAIL, Inc.	Award(A)	425	$75.52	$32,096	Direct
Aug 21, 2025	AVTR Avantor, Inc.	Purchase(P)	100,000	$12.56	$1,256,000	Indirect
Jul 15, 2025	GRAL GRAIL, Inc.	Award(A)	825	$38.53	$31,787	Direct
Jun 11, 2025	NXPI NXP Semiconductors N.V.	Award(A) Restricted Stock Unit	1,035	-	-	Direct
Jun 10, 2025	UP Wheels Up Experience Inc.	Award(A)	148,026	-	-	Direct
May 29, 2025	NXPI NXP Semiconductors N.V.	Tax Payment(F)	407	$196.21	$79,857	Direct
May 29, 2025	NXPI NXP Semiconductors N.V.	Exercise(M)	822	-	-	Direct
May 29, 2025	GRAL GRAIL, Inc.	Award(A)	6,082	$41.10	$249,970	Direct
May 23, 2025	AVTR Avantor, Inc.	Purchase(P)	30,000	$12.50	$375,000	Indirect
May 22, 2025	AVTR Avantor, Inc.	Purchase(P)	20,000	$12.65	$253,000	Indirect
May 8, 2025	AVTR Avantor, Inc.	Award(A)	17,100	-	-	Direct
May 7, 2025	AVTR Avantor, Inc.	Purchase(P)	25,000	$12.00	$300,000	Indirect
Apr 28, 2025	AVTR Avantor, Inc.	Purchase(P)	25,000	$12.50	$312,500	Indirect

1-25 of 32 transactions

About SUMME GREGORY L

SUMME GREGORY L (SEC CIK 0001143422) files insider reports with the SEC as Director of GRAIL, Inc. (GRAL), Director of NXP Semiconductors N.V. (NXPI) and Director of Wheels Up Experience Inc. (UP). Signal8 also holds filings tied to 2 other companies.

Signal8 holds 28 ownership filings by SUMME GREGORY L, all Form 4s, filed between Sep 13, 2024 and Oct 16, 2026. Those filings report 32 transactions, from Sep 11, 2024 to Oct 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SUMME GREGORY L's filings is in SUNNYVALE, CA.

Recent filings by SUMME GREGORY L

Oct 15, 2026: Grant or award of GRAL shares (Form 4, code A).
Jul 15, 2026: Grant or award of GRAL shares (Form 4, code A).
Jun 18, 2026: Grant or award of GRAL shares (Form 4, code A).
Jun 10, 2026: Grant or award of NXPI derivative securities (Form 4, code A).
Jun 10, 2026: Option exercise of NXPI shares (Form 4, code M).

Other insiders filing for GRAIL, Inc. (GRAL)

CHASE WILLIAM J, Director
Ofman Joshua J., Chief Executive Officer
MIZELL STEVEN, Director
Partridge Andrew John, Chief Growth Officer
Freidin Aaron, Chief Financial Officer
Krevans Sarah, Director

How to read Form 4 transaction codes