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$GLP

$48.45 -$0.81 (1.64%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Estate of Alfred Slifka

2,476,909 shares

Net: 0 B/S: -

Andrew P. Slifka

529,088 shares

Net: 0 B/S: -

Mark Romaine

139,109 shares

Net: -9,905 B/S: 1.25

Edward J Faneuil

105,669 shares

Net: 0 B/S: -

Eric Slifka

66,208 shares

Net: +153,995 B/S: ∞

Alfred A Slifka

50,110 shares

Net: 0 B/S: -

Sean T. Geary

48,333 shares

Net: 0 B/S: -

Robert J McCool

45,018 shares

Net: 0 B/S: -

KENNETH I WATCHMAKER

38,856 shares

Net: 0 B/S: -

Daphne H. Foster

37,420 shares

Net: 0 B/S: -

Charles A Rudinsky

25,660 shares

Net: 0 B/S: -

GP LLC Global

20,760 shares

Net: -219,737 B/S: ∞

Gregory B. Hanson

19,898 shares

Net: +44,172 B/S: ∞

David K McKown

10,659 shares

Net: 0 B/S: -

Jeremy Langhorn

7,890 shares

Net: 0 B/S: -

DAVID K MCKOWN

7,857 shares

Net: 0 B/S: -

Matthew Spencer

6,874 shares

Net: +17,923 B/S: ∞

Clare McGrory Kelly

3,618 shares

Net: +5,767 B/S: ∞

ROBERT W OWENS

3,618 shares

Net: +5,767 B/S: ∞

Jaime Pereira

3,618 shares

Net: +5,767 B/S: ∞

JOHN T HAILER

3,618 shares

Net: +5,767 B/S: ∞

Kristin K. Seabrook

3,393 shares

Net: +13,537 B/S: ∞

A. Slifka 1990 Trust Under Article II-A Alfred

0 shares

Net: 0 B/S: -

Richard Slifka

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Estate of Alfred Slifka	2,476,909	0	-
Andrew P. Slifka	529,088	0	-
Mark Romaine	139,109	-9,905	1.25
Edward J Faneuil	105,669	0	-
Eric Slifka	66,208	+153,995	∞
Alfred A Slifka	50,110	0	-
Sean T. Geary	48,333	0	-
Robert J McCool	45,018	0	-
KENNETH I WATCHMAKER	38,856	0	-
Daphne H. Foster	37,420	0	-
Charles A Rudinsky	25,660	0	-
GP LLC Global	20,760	-219,737	∞
Gregory B. Hanson	19,898	+44,172	∞
David K McKown	10,659	0	-
Jeremy Langhorn	7,890	0	-
DAVID K MCKOWN	7,857	0	-
Matthew Spencer	6,874	+17,923	∞
Clare McGrory Kelly	3,618	+5,767	∞
ROBERT W OWENS	3,618	+5,767	∞
Jaime Pereira	3,618	+5,767	∞
JOHN T HAILER	3,618	+5,767	∞
Kristin K. Seabrook	3,393	+13,537	∞
A. Slifka 1990 Trust Under Article II-A Alfred	0	0	-
Richard Slifka	0	0	-

Individual Transactions

April 14, 2026

Kristin K. Seabrook

Tax Payment

Change: -1,640

Price: $45.86

Shares: 1,753

Value: -$75,210

Kristin K. Seabrook

Option Exercise/Conversion

Change: +3,393

Price: $0.00

Shares: 3,393

Value: +$0

GP LLC Global

Other Transaction

Change: -3,393

Price: $45.86

Shares: 20,760

Value: -$155,602

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kristin K. Seabrook	Apr 15	Tax Payment (F) Tax Payment	1,753	-1,640	$45.86	-$75,210
Kristin K. Seabrook	Apr 15	Option Exercise/Conversion (M) Compensation/Award	3,393	+3,393	$0.00	+$0
GP LLC Global	Apr 27	Other Transaction (J) Other	20,760	-3,393	$45.86	-$155,602

March 25, 2026

Mark Romaine

Open Market Sale

Change: -2,065

Price: $44.80

Shares: 139,109

Value: -$92,512

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 26	Open Market Sale (S) Market Sale	139,109	-2,065	$44.80	-$92,512

March 23, 2026

Mark Romaine

Open Market Sale

Change: -435

Price: $47.31

Shares: 141,174

Value: -$20,579

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 23	Open Market Sale (S) Market Sale	141,174	-435	$47.31	-$20,579

March 20, 2026

Mark Romaine

Open Market Sale

Change: -2,020

Price: $48.19

Shares: 141,609

Value: -$97,343

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 23	Open Market Sale (S) Market Sale	141,609	-2,020	$48.19	-$97,343

March 19, 2026

Mark Romaine

Open Market Sale

Change: -3,245

Price: $48.10

Shares: 143,629

Value: -$156,084

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 23	Open Market Sale (S) Market Sale	143,629	-3,245	$48.10	-$156,084

March 18, 2026

Mark Romaine

Open Market Sale

Change: -4,735

Price: $47.76

Shares: 146,874

Value: -$226,143

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 18	Open Market Sale (S) Market Sale	146,874	-4,735	$47.76	-$226,143

March 17, 2026

Mark Romaine

Open Market Sale

Change: -7,500

Price: $47.39

Shares: 151,609

Value: -$355,425

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 18	Open Market Sale (S) Market Sale	151,609	-7,500	$47.39	-$355,425

March 16, 2026

Mark Romaine

Open Market Sale

Change: -3,376

Price: $47.00

Shares: 159,109

Value: -$158,672

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 18	Open Market Sale (S) Market Sale	159,109	-3,376	$47.00	-$158,672

March 13, 2026

Mark Romaine

Open Market Sale

Change: -900

Price: $47.50

Shares: 162,485

Value: -$42,750

Mark Romaine

Open Market Sale

Change: -900

Price: $47.50

Shares: 162,660

Value: -$42,750

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 19	Open Market Sale (S) Market Sale	162,485	-900	$47.50	-$42,750
Mark Romaine	Mar 13	Open Market Sale (S) Market Sale	162,660	-900	$47.50	-$42,750

March 12, 2026

Mark Romaine

Open Market Sale

Change: -1,323

Price: $47.62

Shares: 163,385

Value: -$63,001

Mark Romaine

Open Market Sale

Change: -1,148

Price: $47.56

Shares: 163,560

Value: -$54,598

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 19	Open Market Sale (S) Market Sale	163,385	-1,323	$47.62	-$63,001
Mark Romaine	Mar 13	Open Market Sale (S) Market Sale	163,560	-1,148	$47.56	-$54,598

March 11, 2026

Mark Romaine

Open Market Sale

Change: -1,649

Price: $48.03

Shares: 164,708

Value: -$79,201

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 13	Open Market Sale (S) Market Sale	164,708	-1,649	$48.03	-$79,201

March 10, 2026

Mark Romaine

Open Market Sale

Change: -252

Price: $48.50

Shares: 166,357

Value: -$12,222

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 11	Open Market Sale (S) Market Sale	166,357	-252	$48.50	-$12,222

March 09, 2026

Mark Romaine

Open Market Sale

Change: -2,500

Price: $48.00

Shares: 166,609

Value: -$120,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark Romaine	Mar 11	Open Market Sale (S) Market Sale	166,609	-2,500	$48.00	-$120,000

February 26, 2026

Eric Slifka

Grant/Award Acquisition

Change: +66,208

Price: $0.00

Shares: 66,208

Value: +$0

JOHN T HAILER

Grant/Award Acquisition

Change: +3,618

Price: $0.00

Shares: 3,618

Value: +$0

Clare McGrory Kelly

Grant/Award Acquisition

Change: +3,618

Price: $0.00

Shares: 3,618

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Eric Slifka	Feb 27	Grant/Award Acquisition (A) Compensation/Award	66,208	+66,208	$0.00	+$0
JOHN T HAILER	Mar 02	Grant/Award Acquisition (A) Compensation/Award	3,618	+3,618	$0.00	+$0
Clare McGrory Kelly	Mar 02	Grant/Award Acquisition (A) Compensation/Award	3,618	+3,618	$0.00	+$0