ALT Insider Activity

View recent SEC Form 4 insider transactions for ALT, including purchases, sales, option exercises, and other insider filings.

DateInsiderTypeQuantityPriceTotal ValueShares Owned
Oct 01, 2026Arbet-Engels ChristopheExercise37,500$0.00$0.0037,500
Oct 01, 2026Arbet-Engels ChristopheTax Withheld12,679$2.76$34,994.0424,821
Oct 01, 2026WEAVER GREGORY LExercise14,475$0.00$0.0054,306
Oct 01, 2026WEAVER GREGORY LTax Withheld4,379$2.76$12,086.0449,927
Sep 16, 2026Richardson Linda MExercise24,000$0.00$0.0024,000
Sep 16, 2026Richardson Linda MTax Withheld6,826$3.24$22,116.2417,174
Aug 13, 2026Durso Jerome BenedictPurchase15,000$2.95$44,250.0062,500
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