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Total declarations
Company
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Latest filing published 04 Aug 2026 for MARTIN MARIETTA MATERIALS INC, €173k.
Filing timeline
BuySaleMichael J. Petro
Insider track record
Disclosed buys
1
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+15.5%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Michael J. Petro: trading record in brief
Michael J. Petro is a declared insider of Martin Marietta Materials Inc (senior executive), with filings sourced from SEC (Form 4). In total, 30 filings cover trades dated from 5 January 2022 to 3 August 2026.
Purchases make up the whole of the open-market record (1 purchase, €238k). Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Besides market trades, the filings include 29 share grants.
On 4 August 2026 came the latest disclosure, a share grant for €173k in Martin Marietta Materials Inc. The last purchase on record was published on 5 March 2025, which is 597 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Michael J. Petro
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations20 total
368 shares@ US$542.270.0006% mcap28.0% of flowCommon StockSEC:0000916076-26-000077:0
2,960 shares0Common StockSEC:0000916076-26-000044:0
211 shares@ US$683.6015.5% of flowCommon StockSEC:0000916076-26-000028:0
931 shares0Common StockSEC:0000916076-26-000018:0
1,724 shares0Common StockSEC:0000916076-26-000008:0
1,822 shares0Common StockSEC:0001127602-25-019040:0
550 shares@ US$454.3722.3% of flowCommon StockSEC:0001127602-25-008135:0
Canonical exit: 2 Jun 2025 (T+90)
733 shares0Common StockSEC:0001127602-25-006604:0
2,454 shares0Common StockSEC:0001127602-25-005874:0
93 shares@ US$593.224.9% of flowCommon StockSEC:0001127602-24-028366:0
920 shares0Common StockSEC:0001127602-24-007083:0
714 shares0Common StockSEC:0001127602-24-007219:0
250 shares@ US$533.1411.6% of flowCommon StockSEC:0001127602-24-006365:0
650 shares0Common StockSEC:0001127602-23-007450:0
209 shares0Common StockSEC:0001127602-23-006501:0
88 shares@ US$371.682.9% of flowCommon StockSEC:0001127602-23-006109:0
55 shares@ US$380.082.3% of flowCommon StockSEC:0001127602-22-006245:0
75 shares@ US$385.023.2% of flowCommon StockSEC:0001127602-22-006050:0
368 shares0Common StockSEC:0001127602-22-005390:0
1,605 shares@ US$437.1779.0% of flowCommon StockSEC:0001127602-22-001132:0
20 of 20 declarations
