Erin M Brzezinski
CIK 2008021 · View on SEC EDGAR ↗
Insider
First SEC filing: April 2, 2026 · Latest: April 2, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 8 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 3, 2025 | MPC | F | 43 | $148.65 | $6,392 | 1,787 Direct | -2.35% | Disposed | 143.5% (price as of 2026-08-19) |
| March 3, 2025 | MPC | F | 50 | $148.65 | $7,432 | 1,830 Direct | -2.66% | Disposed | 143.5% (price as of 2026-08-19) |
| March 3, 2025 | MPC | F | 80 | $148.65 | $11,892 | 1,880 Direct | -4.08% | Disposed | 143.5% (price as of 2026-08-19) |
| March 1, 2025 | MPC | A | 590 | — | — | 1,960 Direct | +43.07% | Acquired | (price as of 2026-08-19) |
| March 1, 2024 | MPC | A | 415 | — | — | 1,370 Direct | +43.46% | Acquired | (price as of 2026-08-19) |
| March 1, 2024 | MPC | F | 58 | $172.34 | $9,996 | 955 Direct | -5.73% | Disposed | 110.0% (price as of 2026-08-19) |
| March 1, 2024 | MPC | F | 93 | $172.34 | $16,028 | 1,013 Direct | -8.41% | Disposed | 110.0% (price as of 2026-08-19) |
| March 1, 2024 | MPC | F | 60 | $172.34 | $10,340 | 1,106 Direct | -5.15% | Disposed | 110.0% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.