Christopher W. Hamm
Known title: DirectorCIK: 0001782520
Christopher W. Hamm's purchase track record
How the stock did after each of Christopher W. Hamm's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
3
of 3 since December 22, 2022
Stock higher 6 months later
67%
3 months: 33%
Median 6-month return
+4.2%
3 months: -4.9%
Beat the S&P 500
33%
median -9.7% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 6/18/2025 | AMPY | $283K | +18.6% | +26.4% | +12.4% |
| 3/14/2023 | AMPY | $276K | -4.9% | +4.2% | +13.8% |
| 12/22/2022 | AMPY | $130K | -19.3% | -15.9% | +14.6% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| AMPY | ▲ Buy | Option Exercise | 51,043 | — | 7/1/2026 | View on chart |
| AMPY | ▲ Buy | Option Exercise | 27,531 | — | 7/1/2025 | View on chart |
| AMPY | ▲ Buy | Open Market | 77,176 | $283K | 6/18/2025 | View on chart |
| AMPY | ▲ Buy | Option Exercise | 26,708 | — | 7/1/2024 | View on chart |
| AMPY | ▲ Buy | Option Exercise | 25,045 | — | 7/1/2023 | View on chart |
| AMPY | ▲ Buy | Open Market | 20,000 | $133K | 3/15/2023 | View on chart |
| AMPY | ▲ Buy | Open Market | 20,000 | $143K | 3/14/2023 | View on chart |
| AMPY | ▲ Buy | Open Market | 8,000 | $60K | 12/22/2022 | View on chart |
| AMPY | ▲ Buy | Open Market | 9,000 | $70K | 12/22/2022 | View on chart |
| AMPY | ▲ Buy | Option Exercise | 42,461 | — | 7/1/2022 | View on chart |
| AMPY | ▲ Buy | Option Exercise | 3,333 | — | 5/3/2022 | View on chart |