SEC Insider Transactions from Sicinski Matthew B..

Last updated: 2026-03-18 13:02 UTC | Total transactions: 30

Sicinski Matthew B. has filed 30 insider transactions across 1 company since August 2024.

Most recent transaction: a option exercise of 6139 shares of Summit Midstream Corp ($SMC) on March 13, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 6139 $0.00 37,486.0000 12,261,954 19.58% 0.05%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 1525 $30.29 35,961.0000 12,261,954 4.07% 0.01%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 1511 $0.00 37,472.0000 12,261,954 4.20% 0.01%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 368 $30.29 37,104.0000 12,261,954 0.98% 0.00%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 3174 $0.00 40,278.0000 12,261,954 8.55% 0.03%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 773 $30.29 39,505.0000 12,261,954 1.92% 0.01%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 6139 $0.00 23,223.0000 12,261,954 20.91% 0.05%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 1511 $0.00 21,712.0000 12,261,954 6.51% 0.01%
March 13, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 3174 $0.00 18,538.0000 12,261,954 14.62% 0.03%
March 16, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Corporation Restricted Stock Units 5692 $0.00 24,230.0000 12,261,954 30.70% 0.05%
March 16, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Corporation Restricted Stock Units 5692 $0.00 29,712.0000 12,261,954 23.70% 0.05%
Jan. 16, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 3593 $0.00 29,362.0000 12,261,954 10.90% 0.03%
Jan. 16, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 3593 $0.00 32,413.0000 12,261,954 12.47% 0.03%
Jan. 16, 2026 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 1066 $26.81 31,347.0000 12,261,954 3.29% 0.01%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 617 $37.44 26,419.0000 10,659,220 2.28% 0.01%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 3175 $0.00 29,594.0000 10,659,220 12.02% 0.03%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 774 $37.44 28,820.0000 10,659,220 2.62% 0.01%
March 14, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Corporation Restricted Stock Units 4531 $0.00 35,876.0000 10,659,220 14.46% 0.04%
March 14, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Corporation Restricted Stock Units 4531 $0.00 40,407.0000 10,659,220 12.63% 0.04%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 1746 $0.00 38,661.0000 10,659,220 4.32% 0.02%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 2531 $0.00 36,130.0000 10,659,220 6.55% 0.02%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 3175 $0.00 32,955.0000 10,659,220 8.79% 0.03%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 1746 $0.00 24,931.0000 10,659,220 7.53% 0.02%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 426 $37.44 24,505.0000 10,659,220 1.71% 0.00%
March 15, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 2531 $0.00 27,036.0000 10,659,220 10.33% 0.02%
Jan. 18, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Common Stock 3593 $0.00 24,251.0000 10,659,220 17.39% 0.03%
Jan. 18, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO F Common Stock 1066 $41.57 23,185.0000 10,659,220 4.40% 0.01%
Jan. 18, 2025 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO M Corporation Restricted Stock Units 3593 $0.00 31,345.0000 10,659,220 10.28% 0.03%
Aug. 1, 2024 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Common Stock 20658 $0.00 20,658.0000 0 9999.99% 0.00%
Aug. 1, 2024 Summit Midstream Corp $SMC Sicinski Matthew B. Senior VP and CAO A Corporation Restricted Stock Units 34938 $0.00 34,938.0000 0 9999.99% 0.00%