Mark D. McLaughlin
Mark D. McLaughlin's purchase track record
How the stock did after each of Mark D. McLaughlin's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 3/30/2026 | RBRK | $502K | +67.9% | +148.1% | +21.1% |
| 3/6/2024 | SNOW | $501K | -19.6% | -33.7% | +8.1% |
| 5/31/2023 | SNOW | $300K | -6.1% | +6.0% | +8.9% |
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
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
Snowflake faces downgrade and AI sector sell-off. Snowflake received a downgrade citing higher risk at current prices, while the broader AI sector faced selling pressure following news involving Anthropic. The company continues to expand its ecosystem through new partnerships with Lumen and Benchling to enhance its AI data cloud. These developments occur as the stock trades near its 52-week high, with analysts maintaining a wide range of price targets.
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
Rubrik (RBRK) resumes trading after IPO quotation halt. Rubrik shares resumed trading after a brief halt related to its IPO quotation status. While the stock is currently trading near its 52-week low, analyst targets remain significantly higher, reflecting a wide gap between current price and long-term expectations. The recent trading pause highlights the volatility often seen in newly listed securities as they establish a stable market price.
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
Palo Alto Networks Shares Drop 8% After Citi Raises Target to $440. Palo Alto Networks shares fell about 8% after Citi lifted its target price to $440, pushing the stock closer to its 52‑week high. The move came amid a broader pullback in the cybersecurity sector, with several peers also trading lower. The stock is currently near the top of its 52‑week range and sits above a key support level of $350.08.
Transaction History
| QCOM | ▲ Buy | Grant | 393 | $0 | 9/30/2026 | View on chart |
| QCOM | ▲ Buy | Grant | 392 | $0 | 6/30/2026 | View on chart |
| SNOW | ▲ Buy | Grant | 1,273 | $0 | 6/29/2026 | View on chart |
| RBRK | ▲ Buy | Grant | 3,709 | $0 | 6/3/2026 | View on chart |
| QCOM | ▲ Buy | Grant | 538 | $0 | 3/31/2026 | View on chart |
| RBRK | ▲ Buy | Open Market | 10,638 | $502K | 3/30/2026 | View on chart |
| QCOM | ▲ Buy | Grant | 2,563 | $0 | 3/17/2026 | View on chart |
| QCOM | ▲ Buy | Option Exercise | 2,355 | $0 | 3/8/2026 | View on chart |
| QCOM | ▼ Sell | Other | 759 | $103K | 3/8/2026 | View on chart |
| RBRK | ▲ Buy | Grant | 146 | $0 | 1/15/2026 | View on chart |
| QCOM | ▲ Buy | Grant | 401 | $0 | 12/31/2025 | View on chart |
| QCOM | ▼ Sell | Other | 215 | $37K | 12/31/2025 | View on chart |
| QCOM | ▲ Buy | Grant | 428 | $0 | 9/30/2025 | View on chart |
| SNOW | ▲ Buy | Grant | 1,373 | $0 | 7/2/2025 | View on chart |
| QCOM | ▲ Buy | Grant | 455 | $0 | 6/30/2025 | View on chart |
| QCOM | ▼ Sell | Other | 186 | $30K | 6/30/2025 | View on chart |
| RBRK | ▲ Buy | Grant | 2,702 | $0 | 6/25/2025 | View on chart |
| QCOM | ▲ Buy | Grant | 451 | $0 | 3/31/2025 | View on chart |
| QCOM | ▲ Buy | Grant | 2,097 | $0 | 3/18/2025 | View on chart |
| QCOM | ▲ Buy | Option Exercise | 1,901 | $0 | 3/9/2025 | View on chart |
| RBRK | ▲ Buy | Grant | 153 | $0 | 1/15/2025 | View on chart |
| SNOW | ▲ Buy | Grant | 2,292 | $0 | 7/2/2024 | View on chart |
| QCOM | ▼ Sell | Other | 165 | $33K | 6/30/2024 | View on chart |
| QCOM | ▼ Sell | Other | 179 | $30K | 3/31/2024 | View on chart |
| QCOM | ▲ Buy | Option Exercise | 2,056 | $0 | 3/10/2024 | View on chart |
| QCOM | ▼ Sell | Other | 663 | $113K | 3/10/2024 | View on chart |
| SNOW | ▲ Buy | Open Market | 3,030 | $501K | 3/6/2024 | View on chart |
| SNOW | ▲ Buy | Open Market | 1,831 | $300K | 5/31/2023 | View on chart |
| SNOW | ▲ Buy | Grant | 6,826 | $0 | 4/5/2023 | View on chart |
| QCOM | ▲ Buy | Option Exercise | 3,316 | $0 | 3/10/2023 | View on chart |
| QCOM | ▲ Buy | Grant | 625 | $0 | 12/31/2022 | View on chart |
| PANW | ▼ Sell | Open Market | 1,350 | $224K | 10/25/2022 | View on chart |
| QCOM | ▲ Buy | Grant | 608 | $0 | 9/30/2022 | View on chart |
| QCOM | ▲ Buy | Grant | 538 | $0 | 6/30/2022 | View on chart |
| QCOM | ▲ Buy | Grant | 449 | $0 | 3/31/2022 | View on chart |
| PANW | ▼ Sell | Open Market | 9,500 | $5.7M | 3/22/2022 | View on chart |
| QCOM | ▲ Buy | Grant | 375 | $0 | 12/31/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 100 | $52K | 12/7/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 400 | $207K | 12/7/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 500 | $259K | 12/7/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 500 | $260K | 12/7/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 266 | $141K | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 4,234 | $2.2M | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 1,000 | $524K | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 950 | $499K | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 50 | $26K | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 3,000 | $1.6M | 11/22/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 763 | $388K | 11/3/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 333 | $168K | 11/3/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 104 | $53K | 11/3/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 200 | $102K | 11/3/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 100 | $50K | 11/3/2021 | View on chart |
| PANW | ▼ Sell | Tax Withholding | 2,654 | $1.4M | 10/20/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 160 | $76K | 10/4/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 260 | $124K | 10/4/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 220 | $105K | 10/4/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 760 | $365K | 10/4/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 100 | $48K | 10/4/2021 | View on chart |
| QCOM | ▲ Buy | Grant | 533 | $0 | 9/30/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 1,042 | $479K | 9/8/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 121 | $56K | 9/8/2021 | View on chart |
| PANW | ▼ Sell | Open Market | 337 | $155K | 9/8/2021 | 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 16, 2026
Qualcomm verdict adds to chip sector selloff
A legal verdict involving Qualcomm has contributed to a broader decline in the chip sector, with peers Arm and AMD falling 5%. This news adds pressure to the group, though Qualcomm is currently trading near its support level. The event highlights ongoing legal risks that can impact sentiment across the industry.
Qualcomm verdict adds to chip sector selloff. A legal verdict involving Qualcomm has contributed to a broader decline in the chip sector, with peers Arm and AMD falling 5%. This news adds pressure to the group, though Qualcomm is currently trading near its support level. The event highlights ongoing legal risks that can impact sentiment across the industry.