Amron Arthur H
Known title: DirectorCIK: 0001179697
Amron Arthur H's purchase track record
How the stock did after each of Amron Arthur H's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
6
of 8 since March 12, 2024
Stock higher 6 months later
17%
3 months: 25%
Median 6-month return
-3.6%
3 months: -2.2%
Beat the S&P 500
17%
median -11.3% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 6/11/2026 | TUSK | $15K | -2.5% | pending | — |
| 5/26/2026 | TUSK | $18K | -1.9% | pending | — |
| 12/11/2025 | TUSK | $19K | +16.4% | +71.5% | +7.1% |
| 12/12/2024 | TUSK | $3K | -27.7% | -4.4% | -0.1% |
| 5/28/2024 | NEPH | $11K | -15.1% | -28.8% | +13.5% |
| 5/28/2024 | TUSK | $18K | +3.5% | -0.3% | +13.5% |
| 3/12/2024 | TUSK | $11K | -0.5% | -2.7% | +6.2% |
| 3/12/2024 | NEPH | $17K | -4.7% | -19.8% | +6.2% |
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
| NEPH | ▼ Sell | Other | 17,749 | $0 | 9/14/2026 | View on chart |
| NEPH | ▼ Sell | Other | 2,836 | $0 | 9/14/2026 | View on chart |
| NEPH | ▼ Sell | Other | 22,710 | $90K | 9/14/2026 | View on chart |
| NEPH | ▲ Buy | Grant | 2,418 | $0 | 8/12/2026 | View on chart |
| TUSK | ▼ Sell | Other | 19,121 | $0 | 6/17/2026 | View on chart |
| TUSK | ▼ Sell | Other | 10,329 | $0 | 6/17/2026 | View on chart |
| TUSK | ▲ Buy | Open Market | 2,000 | $7K | 6/12/2026 | View on chart |
| TUSK | ▲ Buy | Open Market | 2,500 | $8K | 6/11/2026 | View on chart |
| TUSK | ▲ Buy | Open Market | 3,000 | $10K | 5/28/2026 | View on chart |
| TUSK | ▲ Buy | Open Market | 2,500 | $8K | 5/26/2026 | View on chart |
| NEPH | ▲ Buy | Grant | 3,574 | $0 | 5/11/2026 | View on chart |
| NEPH | ▲ Buy | Grant | 3,610 | $0 | 3/16/2026 | View on chart |
| TUSK | ▲ Buy | Open Market | 10,000 | $19K | 12/11/2025 | View on chart |
| NEPH | ▲ Buy | Grant | 5,391 | $0 | 11/10/2025 | View on chart |
| NEPH | ▲ Buy | Grant | 22,418 | $0 | 1/1/2025 | View on chart |
| TUSK | ▲ Buy | Open Market | 1,000 | $3K | 12/12/2024 | View on chart |
| TUSK | ▲ Buy | Grant | 27,856 | $0 | 6/12/2024 | View on chart |
| NEPH | ▲ Buy | Open Market | 3,000 | $7K | 5/30/2024 | View on chart |
| TUSK | ▲ Buy | Open Market | 3,000 | $11K | 5/30/2024 | View on chart |
| NEPH | ▲ Buy | Open Market | 2,000 | $4K | 5/28/2024 | View on chart |
| TUSK | ▲ Buy | Open Market | 2,000 | $7K | 5/28/2024 | View on chart |
| NEPH | ▼ Sell | Other | 91,463 | $0 | 3/13/2024 | View on chart |
| NEPH | ▲ Buy | Open Market | 7,000 | $17K | 3/12/2024 | View on chart |
| TUSK | ▲ Buy | Open Market | 3,000 | $11K | 3/12/2024 | View on chart |
| NEPH | ▲ Buy | Grant | 9,291 | $0 | 12/13/2023 | View on chart |
| TUSK | ▲ Buy | Grant | 23,810 | $0 | 6/7/2023 | View on chart |
| NEPH | ▲ Buy | Grant | 27,613 | $0 | 1/5/2023 | View on chart |
| TUSK | ▲ Buy | Grant | 45,662 | $0 | 6/29/2022 | View on chart |
| NEPH | ▲ Buy | Grant | 4,582 | $0 | 12/14/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 15, 2026
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