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Grasso Marc

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
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Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Grasso Marc as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ALEC Alector, Inc.

Chief Financial Officer10 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 4, 2025 (view filing)Jun 22 daysGrasso MarcChief Financial OfficerSSale−16.5K$1.34−$22.1K−5.3%296.1K after
Mar 5, 2025 (view filing)Mar 32 daysGrasso MarcChief Financial OfficerSSale−18.1K$1.47−$26.6K−5.5%312.6K after
Dec 3, 2024 (view filing)Dec 21 dayGrasso MarcChief Financial OfficerSSale−16.5K$2.52−$41.6K−4.7%330.7K after
Sep 4, 2024 (view filing)Sep 31 dayGrasso MarcChief Financial OfficerSSale−7.30K$4.88−$35.6K−5.3%130.7K after
Jun 4, 2024 (view filing)Jun 31 dayGrasso MarcChief Financial OfficerSSale−6.92K$4.80−$33.2K−4.8%138.0K after
Mar 5, 2024 (view filing)Mar 41 dayGrasso MarcChief Financial OfficerSSale−5.72K$6.92−$39.6K−3.8%145.0K after
Dec 6, 2023 (view filing)Dec 42 daysGrasso MarcChief Financial OfficerSSale−4.57K$5.56−$25.4K−2.9%150.7K after
Sep 6, 2023 (view filing)Sep 51 dayGrasso MarcChief Financial OfficerSSale−1.11K$5.19−$5.78K−3.3%32.2K after
Jun 5, 2023 (view filing)Jun 23 daysGrasso MarcChief Financial OfficerSSale−1.05K$6.90−$7.25K−3.1%33.4K after
Mar 3, 2023 (view filing)Mar 21 dayGrasso MarcChief Financial OfficerSSale−1.29K$8.32−$10.7K−3.6%34.4K after