SMC

Summit Midstream Corp

Insider trading activity for Summit Midstream Corp, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$77.3K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $77.3K

Past 6 months

+$37.5M

net buying

Bought(1 · 1 insiders): $37.9M
Sold(2 · 2 insiders): $397.3K

Past 12 months

+$37.5M

net buying

Bought(1 · 1 insiders): $37.9M
Sold(2 · 2 insiders): $397.3K

Transaction history

The 75 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jul 2	Johnston James David	Executive VP, GC, CCO…	SSELL◷	2,600	$29.72	$77.3K	-3.3%	Open the original filing on SEC.gov
May 19	Peters Jerry L	Director	SSELL	10,000	$32.00	$320K	-37.1%	Open the original filing on SEC.gov
Apr 20	Peters Jerry L	Director	GGIFT	3,733	—	—	+16.1%	Open the original filing on SEC.gov
Apr 20	Peters Jerry L	Director	GGIFT	3,733	—	—	-100.0%	Open the original filing on SEC.gov
Mar 31	Downie Jason H	Director, 10% Owner	PBUY▲	1.2M	$31.08	$37.9M	+833.5%	Open the original filing on SEC.gov
Mar 16	Sicinski Matthew B.	Senior VP and CAO	AGRANT◆	5,692	—	—	—	Open the original filing on SEC.gov
Mar 16	Sicinski Matthew B.	Senior VP and CAO	AGRANT◆	5,692	—	—	—	Open the original filing on SEC.gov
Mar 16	Mault William J.	Executive VP and CFO	AGRANT◆	18,071	—	—	—	Open the original filing on SEC.gov
Mar 16	Mault William J.	Executive VP and CFO	AGRANT◆	18,071	—	—	—	Open the original filing on SEC.gov
Mar 16	Johnston James David	Executive VP, GC, CCO…	AGRANT◆	17,544	—	—	—	Open the original filing on SEC.gov
Mar 16	Johnston James David	Executive VP, GC, CCO…	AGRANT◆	17,544	—	—	—	Open the original filing on SEC.gov
Mar 16	Deneke J Heath	Chairman, President and…	AGRANT◆	59,807	—	—	—	Open the original filing on SEC.gov
Mar 16	Deneke J Heath	Chairman, President and…	AGRANT◆	59,807	—	—	—	Open the original filing on SEC.gov
Mar 16	Stone Carolyn J	Director	AGRANT	3,733	—	—	—	Open the original filing on SEC.gov
Mar 16	Peters Jerry L	Director	AGRANT	3,733	—	—	—	Open the original filing on SEC.gov
Mar 16	Oates Rommel	Director	AGRANT	3,733	—	—	+16.6%	Open the original filing on SEC.gov
Mar 16	McNally Robert Joseph	Director	AGRANT	3,733	—	—	+11.2%	Open the original filing on SEC.gov
Mar 16	Jacobe James Lee	Director	AGRANT	3,733	—	—	+8.9%	Open the original filing on SEC.gov
Mar 16	Cleary James J	Director	AGRANT	3,733	—	—	+11.2%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER◆	3,174	—	—	—	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER◆	1,511	—	—	—	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER◆	6,139	—	—	—	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	FTAX	773	$30.29	$23.4K	-1.9%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER	3,174	—	—	+8.6%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	FTAX	368	$30.29	$11.1K	-1.0%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER	1,511	—	—	+4.2%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	FTAX	1,525	$30.29	$46.2K	-4.1%	Open the original filing on SEC.gov
Mar 13	Sicinski Matthew B.	Senior VP and CAO	MEXER	6,139	—	—	+19.6%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER◆	8,542	—	—	—	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER◆	4,793	—	—	—	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER◆	16,522	—	—	—	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	FTAX	3,362	$30.29	$101.8K	-3.6%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER	8,542	—	—	+10.2%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	FTAX	1,887	$30.29	$57.2K	-2.2%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER	4,793	—	—	+5.9%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	FTAX	6,502	$30.29	$196.9K	-7.5%	Open the original filing on SEC.gov
Mar 13	Mault William J.	Executive VP and CFO	MEXER	16,522	—	—	+23.4%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER◆	9,793	—	—	—	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER◆	4,653	—	—	—	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER◆	18,977	—	—	—	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	FTAX	3,854	$30.29	$116.7K	-4.7%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER	9,793	—	—	+13.6%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	FTAX	1,831	$30.29	$55.5K	-2.5%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER	4,653	—	—	+6.7%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	FTAX	7,468	$30.29	$226.2K	-9.7%	Open the original filing on SEC.gov
Mar 13	Johnston James David	Executive VP, GC, CCO…	MEXER	18,977	—	—	+32.9%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER◆	30,015	—	—	—	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER◆	15,875	—	—	—	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER◆	58,049	—	—	—	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	FTAX	11,811	$30.29	$357.8K	-3.2%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER	30,015	—	—	+8.9%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	FTAX	6,247	$30.29	$189.2K	-1.8%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER	15,875	—	—	+4.9%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	FTAX	22,239	$30.29	$673.6K	-6.4%	Open the original filing on SEC.gov
Mar 13	Deneke J Heath	Chairman, President and…	MEXER	58,049	—	—	+20.0%	Open the original filing on SEC.gov
Jan 16	Sicinski Matthew B.	Senior VP and CAO	MEXER◆	3,593	—	—	—	Open the original filing on SEC.gov
Jan 16	Sicinski Matthew B.	Senior VP and CAO	FTAX	1,066	$26.81	$28.6K	-3.3%	Open the original filing on SEC.gov
Jan 16	Sicinski Matthew B.	Senior VP and CAO	MEXER	3,593	—	—	+12.5%	Open the original filing on SEC.gov
Jan 16	Mault William J.	Executive VP and CFO	MEXER◆	10,121	—	—	—	Open the original filing on SEC.gov
Jan 16	Mault William J.	Executive VP and CFO	FTAX	2,757	$26.81	$73.9K	-3.8%	Open the original filing on SEC.gov
Jan 16	Mault William J.	Executive VP and CFO	MEXER	10,121	—	—	+16.0%	Open the original filing on SEC.gov
Jan 16	Johnston James David	Executive VP, GC, CCO…	MEXER◆	10,794	—	—	—	Open the original filing on SEC.gov
Jan 16	Johnston James David	Executive VP, GC, CCO…	FTAX	2,923	$26.81	$78.4K	-4.8%	Open the original filing on SEC.gov
Jan 16	Johnston James David	Executive VP, GC, CCO…	MEXER	10,794	—	—	+21.7%	Open the original filing on SEC.gov
Jan 16	Deneke J Heath	Chairman, President and…	MEXER◆	32,754	—	—	—	Open the original filing on SEC.gov
Jan 16	Deneke J Heath	Chairman, President and…	FTAX	8,216	$26.81	$220.3K	-2.8%	Open the original filing on SEC.gov
Jan 16	Deneke J Heath	Chairman, President and…	MEXER	32,754	—	—	+12.3%	Open the original filing on SEC.gov
Aug 28, 2025	Downie Jason H	Director, 10% Owner	PBUY	26,319	$20.89	$549.8K	+21.9%	Open the original filing on SEC.gov
Aug 27, 2025	Downie Jason H	Director, 10% Owner	PBUY	47,401	$20.50	$971.7K	+65.1%	Open the original filing on SEC.gov
Aug 26, 2025	Downie Jason H	Director, 10% Owner	PBUY	72,759	$20.46	$1.5M	—	Open the original filing on SEC.gov
Apr 24, 2025	Peters Jerry L	Director	GGIFT	3,062	—	—	-100.0%	Open the original filing on SEC.gov
Mar 19, 2025	Peters Jerry L	Director	SSELL↺	6,700	$37.40	$250.6K	-24.9%	Open the original filing on SEC.gov
Mar 18, 2025	Peters Jerry L	Director	SSELL↺	52	$38.00	$2K	-0.2%	Open the original filing on SEC.gov
Mar 17, 2025	Peters Jerry L	Director	SSELL↺	3,303	$39.12	$129.2K	-10.9%	Open the original filing on SEC.gov
Mar 14, 2025	Peters Jerry L	Director	AGRANT↺	3,062	—	—	—	Open the original filing on SEC.gov

SSELL◷$77.3K

Johnston James David · Executive VP, GC,…Jul 2

2,600 sh @ $29.72 · -3.3% own

SSELL$320K

Peters Jerry L · DirectorMay 19

10,000 sh @ $32.00 · -37.1% own

GGIFT—

Peters Jerry L · DirectorApr 20

3,733 sh · +16.1% own

GGIFT—

Peters Jerry L · DirectorApr 20

3,733 sh · -100.0% own

PBUY▲$37.9M

Downie Jason H · Director, 10%…Mar 31

1.2M sh @ $31.08 · +833.5% own

AGRANT◆—

Sicinski Matthew B. · Senior VP and CAOMar 16

5,692 sh

AGRANT◆—

Sicinski Matthew B. · Senior VP and CAOMar 16

5,692 sh

AGRANT◆—

Mault William J. · Executive VP and…Mar 16

18,071 sh

AGRANT◆—

Mault William J. · Executive VP and…Mar 16

18,071 sh

AGRANT◆—

Johnston James David · Executive VP, GC,…Mar 16

17,544 sh

AGRANT◆—

Johnston James David · Executive VP, GC,…Mar 16

17,544 sh

AGRANT◆—

Deneke J Heath · Chairman, Presiden…Mar 16

59,807 sh

AGRANT◆—

Deneke J Heath · Chairman, Presiden…Mar 16

59,807 sh

AGRANT—

Stone Carolyn J · DirectorMar 16

3,733 sh

AGRANT—

Peters Jerry L · DirectorMar 16

3,733 sh

AGRANT—

Oates Rommel · DirectorMar 16

3,733 sh · +16.6% own

AGRANT—

McNally Robert Joseph · DirectorMar 16

3,733 sh · +11.2% own

AGRANT—

Jacobe James Lee · DirectorMar 16

3,733 sh · +8.9% own

AGRANT—

Cleary James J · DirectorMar 16

3,733 sh · +11.2% own

MEXER◆—

Sicinski Matthew B. · Senior VP and CAOMar 13

3,174 sh

MEXER◆—

Sicinski Matthew B. · Senior VP and CAOMar 13

1,511 sh

MEXER◆—

Sicinski Matthew B. · Senior VP and CAOMar 13

6,139 sh

FTAX$23.4K

Sicinski Matthew B. · Senior VP and CAOMar 13

773 sh @ $30.29 · -1.9% own

MEXER—

Sicinski Matthew B. · Senior VP and CAOMar 13

3,174 sh · +8.6% own

FTAX$11.1K

Sicinski Matthew B. · Senior VP and CAOMar 13

368 sh @ $30.29 · -1.0% own

MEXER—

Sicinski Matthew B. · Senior VP and CAOMar 13

1,511 sh · +4.2% own

FTAX$46.2K

Sicinski Matthew B. · Senior VP and CAOMar 13

1,525 sh @ $30.29 · -4.1% own

MEXER—

Sicinski Matthew B. · Senior VP and CAOMar 13

6,139 sh · +19.6% own

MEXER◆—

Mault William J. · Executive VP and…Mar 13

8,542 sh

MEXER◆—

Mault William J. · Executive VP and…Mar 13

4,793 sh

MEXER◆—

Mault William J. · Executive VP and…Mar 13

16,522 sh

FTAX$101.8K

Mault William J. · Executive VP and…Mar 13

3,362 sh @ $30.29 · -3.6% own

MEXER—

Mault William J. · Executive VP and…Mar 13

8,542 sh · +10.2% own

FTAX$57.2K

Mault William J. · Executive VP and…Mar 13

1,887 sh @ $30.29 · -2.2% own

MEXER—

Mault William J. · Executive VP and…Mar 13

4,793 sh · +5.9% own

FTAX$196.9K

Mault William J. · Executive VP and…Mar 13

6,502 sh @ $30.29 · -7.5% own

MEXER—

Mault William J. · Executive VP and…Mar 13

16,522 sh · +23.4% own

MEXER◆—

Johnston James David · Executive VP, GC,…Mar 13

9,793 sh

MEXER◆—

Johnston James David · Executive VP, GC,…Mar 13

4,653 sh

MEXER◆—

Johnston James David · Executive VP, GC,…Mar 13

18,977 sh

FTAX$116.7K

Johnston James David · Executive VP, GC,…Mar 13

3,854 sh @ $30.29 · -4.7% own

MEXER—

Johnston James David · Executive VP, GC,…Mar 13

9,793 sh · +13.6% own

FTAX$55.5K

Johnston James David · Executive VP, GC,…Mar 13

1,831 sh @ $30.29 · -2.5% own

MEXER—

Johnston James David · Executive VP, GC,…Mar 13

4,653 sh · +6.7% own

FTAX$226.2K

Johnston James David · Executive VP, GC,…Mar 13

7,468 sh @ $30.29 · -9.7% own

MEXER—

Johnston James David · Executive VP, GC,…Mar 13

18,977 sh · +32.9% own

MEXER◆—

Deneke J Heath · Chairman, Presiden…Mar 13

30,015 sh

MEXER◆—

Deneke J Heath · Chairman, Presiden…Mar 13

15,875 sh

MEXER◆—

Deneke J Heath · Chairman, Presiden…Mar 13

58,049 sh

FTAX$357.8K

Deneke J Heath · Chairman, Presiden…Mar 13

11,811 sh @ $30.29 · -3.2% own

MEXER—

Deneke J Heath · Chairman, Presiden…Mar 13

30,015 sh · +8.9% own

FTAX$189.2K

Deneke J Heath · Chairman, Presiden…Mar 13

6,247 sh @ $30.29 · -1.8% own

MEXER—

Deneke J Heath · Chairman, Presiden…Mar 13

15,875 sh · +4.9% own

FTAX$673.6K

Deneke J Heath · Chairman, Presiden…Mar 13

22,239 sh @ $30.29 · -6.4% own

MEXER—

Deneke J Heath · Chairman, Presiden…Mar 13

58,049 sh · +20.0% own

MEXER◆—

Sicinski Matthew B. · Senior VP and CAOJan 16

3,593 sh

FTAX$28.6K

Sicinski Matthew B. · Senior VP and CAOJan 16

1,066 sh @ $26.81 · -3.3% own

MEXER—

Sicinski Matthew B. · Senior VP and CAOJan 16

3,593 sh · +12.5% own

MEXER◆—

Mault William J. · Executive VP and…Jan 16

10,121 sh

FTAX$73.9K

Mault William J. · Executive VP and…Jan 16

2,757 sh @ $26.81 · -3.8% own

MEXER—

Mault William J. · Executive VP and…Jan 16

10,121 sh · +16.0% own

MEXER◆—

Johnston James David · Executive VP, GC,…Jan 16

10,794 sh

FTAX$78.4K

Johnston James David · Executive VP, GC,…Jan 16

2,923 sh @ $26.81 · -4.8% own

MEXER—

Johnston James David · Executive VP, GC,…Jan 16

10,794 sh · +21.7% own

MEXER◆—

Deneke J Heath · Chairman, Presiden…Jan 16

32,754 sh

FTAX$220.3K

Deneke J Heath · Chairman, Presiden…Jan 16

8,216 sh @ $26.81 · -2.8% own

MEXER—

Deneke J Heath · Chairman, Presiden…Jan 16

32,754 sh · +12.3% own

PBUY$549.8K

Downie Jason H · Director, 10%…Aug 28, 2025

26,319 sh @ $20.89 · +21.9% own

PBUY$971.7K

Downie Jason H · Director, 10%…Aug 27, 2025

47,401 sh @ $20.50 · +65.1% own

PBUY$1.5M

Downie Jason H · Director, 10%…Aug 26, 2025

72,759 sh @ $20.46

GGIFT—

Peters Jerry L · DirectorApr 24, 2025

3,062 sh · -100.0% own

SSELL↺$250.6K

Peters Jerry L · DirectorMar 19, 2025

6,700 sh @ $37.40 · -24.9% own

SSELL↺$2K

Peters Jerry L · DirectorMar 18, 2025

52 sh @ $38.00 · -0.2% own

SSELL↺$129.2K

Peters Jerry L · DirectorMar 17, 2025

3,303 sh @ $39.12 · -10.9% own

AGRANT↺—

Peters Jerry L · DirectorMar 14, 2025

3,062 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

1 of 21 filings we hold was filed after the two-business-day deadline. The furthest past the deadline was 6 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
Mar 31	Apr 12	Connect Midstream, LLC +410% Owner	6days	$37.9M	Filing ↗

Connect Midstream, LLC +410% Owner

6days

Traded Mar 31 · filed Apr 12Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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