Gary R. Martz
General Counsel, Greif, Inc.
Companies
- Greif, Inc.General counsel Sep 10, 2003 to now1
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
- Greif, Inc. GEF63,186 shares2$5.1M at $81.35Nov 14, 2025
As of each latest filing. The line shows shares held over time.
Recent filings
- Nov 12, 2025Bought 2,080 shares at $65.93 of Greif, Inc.2
- Nov 12, 2025Bought 2,920 shares at $65.51 of Greif, Inc.2
- Nov 12, 2025Sold 5,000 shares at $60.48 of Greif, Inc.3
- Jul 8, 2025Sold 29,000 shares at $68.90 of Greif, Inc.4
- Jan 16, 2025Shares withheld for tax 5,801 shares of Greif, Inc.5
- Jan 16, 2025Granted 20,631 shares of Greif, Inc.5
- Jan 16, 2025Shares withheld for tax 2,893 shares of Greif, Inc.5
- Jan 16, 2025Exercised options 7,350 shares of Greif, Inc.5
- Apr 8, 2024Bought 1,807 shares at $68.37 of Greif, Inc.6
- Apr 5, 2024Bought 4,275 shares at $67.48 of Greif, Inc.6
- Apr 4, 2024Bought 4,000 shares at $68.98 of Greif, Inc.6
- Apr 3, 2024Bought 2,993 shares at $69.04 of Greif, Inc.7
- Apr 2, 2024Bought 1,925 shares at $68.86 of Greif, Inc.7
- Apr 1, 2024Sold 45,000 shares at $68.46 of Greif, Inc.7
- Jan 16, 2024Shares withheld for tax 9,672 shares of Greif, Inc.8
- Jan 16, 2024Granted 30,300 shares of Greif, Inc.8
- Jan 16, 2024Shares withheld for tax 3,631 shares of Greif, Inc.8
- Jan 16, 2024Exercised options 9,227 shares of Greif, Inc.8
- Jun 28, 2023Gift 76 shares of Greif, Inc.9
- Jan 17, 2023Shares withheld for tax 10,596 shares of Greif, Inc.10
- Jan 17, 2023Granted 32,175 shares of Greif, Inc.10
- Jan 17, 2023Shares withheld for tax 3,993 shares of Greif, Inc.10
- Jan 17, 2023Exercised options 10,147 shares of Greif, Inc.10
- Dec 20, 2021Granted 4,130 shares of Greif, Inc.11
- May 3, 2021Sold 514 shares at $61.55 of Greif, Inc.12
Trade performance
Ranked 115 on our insider buyers board: 6 scored buys, a median of −20.9% against the S&P 500 a year later, and 0% beating it.
| Date | Stock | Trade | Value | Return since | Vs S&P since | Vs S&P, 1 year |
|---|---|---|---|---|---|---|
| Nov 12, 2025 | GEF | Buy | $328.4K | +32.6% | +19.7% | |
| Nov 12, 2025 | GEF | Sale | $302.4K | +32.6% | −19.7% | |
| Jul 8, 2025 | GEF | Sale | $2.0M | +17.3% | +7.1% | +15.1% |
| Apr 8, 2024 | GEF | Buy | $123.5K | +22.3% | −26.5% | −20.9% |
| Apr 5, 2024 | GEF | Buy | $288.5K | +22.4% | −26.5% | −19.8% |
| Apr 4, 2024 | GEF | Buy | $275.9K | +19.6% | −30.8% | −21.0% |
| Apr 3, 2024 | GEF | Buy | $206.6K | +16.4% | −32.2% | −25.4% |
| Apr 2, 2024 | GEF | Buy | $132.6K | +16.8% | −31.9% | −27.5% |
| Apr 1, 2024 | GEF | Sale | $3.1M | +17.2% | +30.6% | +26.5% |
| May 3, 2021 | GEF | Sale | $31.7K | +26.6% | +58.0% | +3.7% |
| Apr 6, 2021 | GEF | Buy | $414.3K | +38.5% | −51.5% | −5.7% |
| Apr 6, 2021 | GEF | Sale | $371.0K | +38.5% | +51.5% | +5.7% |
| Apr 5, 2021 | GEF | Sale | $1.0M | +38.0% | +51.9% | +5.9% |
Returns are price-only (no dividends), measured from the trade date.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARGreif, Inc., General counsel
- 2
- 3SEC EDGARForm 4 filed Nov 13, 2025
- 4SEC EDGARForm 4 filed Jul 9, 2025
- 5SEC EDGARForm 4 filed Jan 21, 2025
- 6SEC EDGARForm 4 filed Apr 8, 2024
- 7SEC EDGARForm 4 filed Apr 3, 2024
- 8SEC EDGARForm 4 filed Jan 18, 2024
- 9SEC EDGARForm 4 filed Jun 30, 2023
- 10SEC EDGARForm 4 filed Jan 19, 2023
- 11SEC EDGARForm 4 filed Dec 21, 2021
- 12SEC EDGARForm 4 filed May 5, 2021