Merck David A
Known title: Principal Accounting OfficerCIK: 0001783228
Merck David A's purchase track record
Merck David A has only 1 open-market purchase with a full 6 months of price history after it -- too few to call a track record yet.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 5/5/2023 | BMRC | $7K | +49.5% | +31.7% | +5.4% |
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
| BMRC | ▼ Sell | Other | 108 | $0 | 12/31/2024 | View on chart |
| BMRC | ▲ Buy | Grant | 516 | $0 | 3/6/2024 | View on chart |
| BMRC | ▼ Sell | Other | 463 | $0 | 12/31/2023 | View on chart |
| BMRC | ▼ Sell | Other | 23 | $0 | 11/10/2023 | View on chart |
| BMRC | ▼ Sell | Other | 22 | $0 | 8/11/2023 | View on chart |
| BMRC | ▼ Sell | Other | 26 | $0 | 5/12/2023 | View on chart |
| BMRC | ▲ Buy | Open Market | 500 | $7K | 5/5/2023 | View on chart |
| BMRC | ▼ Sell | Other | 14 | $0 | 2/10/2023 | View on chart |
| BMRC | ▼ Sell | Other | 260 | $0 | 12/31/2022 | 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
BMRC Options Volatility Spikes Amid Technical Support Tests
Implied volatility for Bank of Marin Bancorp stock options has surged recently, indicating heightened market uncertainty or anticipation of significant price movement. This spike occurs while the stock is testing key technical levels, including a support zone at $28.25 and a touch of the 200-day moving average. The increased option activity suggests traders are positioning for potential shifts in the stock's direction, rather than reflecting a specific corporate announcement.
BMRC Options Volatility Spikes Amid Technical Support Tests. Implied volatility for Bank of Marin Bancorp stock options has surged recently, indicating heightened market uncertainty or anticipation of significant price movement. This spike occurs while the stock is testing key technical levels, including a support zone at $28.25 and a touch of the 200-day moving average. The increased option activity suggests traders are positioning for potential shifts in the stock's direction, rather than reflecting a specific corporate announcement.