Zenner Marc
Known title: DirectorCIK: 0001721547
Zenner Marc's purchase track record
How the stock did after each of Zenner Marc's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
Purchases measured
5
of 5 since August 14, 2023
Stock higher 6 months later
60%
3 months: 40%
Median 6-month return
+2.0%
3 months: -4.4%
Beat the S&P 500
40%
median -5.2% vs. index
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 3/4/2026 | OSPN | $35K | +40.3% | +57.1% | +11.6% |
| 11/4/2025 | OSPN | $24K | -5.5% | +2.0% | +7.2% |
| 8/8/2025 | OSPN | $28K | -4.4% | -11.2% | +8.5% |
| 3/13/2024 | OSPN | $25K | +36.5% | +51.1% | +7.5% |
| 8/14/2023 | OSPN | $57K | -12.8% | -6.6% | +11.8% |
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
| OSPN | ▲ Buy | Open Market | 3,300 | $35K | 3/4/2026 | View on chart |
| OSPN | ▲ Buy | Option Exercise | 6,635 | $0 | 1/2/2026 | View on chart |
| OSPN | ▲ Buy | Open Market | 2,000 | $24K | 11/4/2025 | View on chart |
| OSPN | ▲ Buy | Open Market | 2,200 | $28K | 8/8/2025 | View on chart |
| OSPN | ▲ Buy | Option Exercise | 12,914 | $0 | 1/9/2025 | View on chart |
| OSPN | ▲ Buy | Open Market | 2,500 | $25K | 3/13/2024 | View on chart |
| OSPN | ▲ Buy | Option Exercise | 10,823 | $0 | 1/5/2024 | View on chart |
| OSPN | ▲ Buy | Open Market | 5,000 | $57K | 8/14/2023 | View on chart |
| OSPN | ▲ Buy | Option Exercise | 7,618 | $0 | 1/5/2023 | View on chart |
| OSPN | ▲ Buy | Option Exercise | 5,833 | $101K | 1/4/2022 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 25, 2026
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