Schornstein Alexander

10% owner Schornstein purchases 25,000 ASMB shares ($371,994.32) across 3 trades; prior 90-day buys showed 100% positive returns

Schornstein Alexander, a 10% owner, executed 3 separate purchases totaling 25,000 shares for $371,994.32 between November 22–25, 2024, at an average price of $14.88, increasing his stake by 3.6% to 728,113 shares. His prior open-market trades at ASMB show a strong timing pattern: four of four earlier buys at this ticker delivered positive 90-day returns, ranging from +17.3% to +1752.0%, suggesting a track record of entering ahead of subsequent price appreciation. This current filing comes as the stock trades at $15.20, down 21.8% from its 52-week high and down 10.1% over the past 30 days, positioning the purchase near depressed recent levels relative to the year's range. The company remains unprofitable (net income of $-9,613,000 on revenue of $6,845,000 in the latest quarter), introducing operational risk that tempers conviction-based readings of insider purchases.

10% owner Alexander Schornstein bought 10,000 shares of ASMB at $14.58 on 2024-10-08; 5 of 5 prior buys at this ticker showed positive 90d returns.

Schornstein, a 10% owner, purchased 10,000 shares at $14.58, expanding his holdings to 703,113 shares—a 1.4% increase in his position. His prior transaction history at Assembly Biosciences is notable: all 5 preceding buys produced positive 90-day returns, ranging from +14.1% to +1752.0%, with a 100% success rate at the 90-day mark. His cross-ticker track record shows an average 90d return of +1068.9% across 6 prior buys with a 100.00% win rate. The current price of $16.00 is -17.6% from the 52-week high and represents a +9.8% gain from the $14.58 purchase price, though the stock is unprofitable (net loss of $-11,152,000.00 in the latest quarter). The timing pattern—all 5 prior buys at ASMB were well-timed measured at 90 days—combined with the substantial cross-ticker historical accuracy, suggests this insider has demonstrated skill in identifying entry points that precede upward stock movement.

10% owner Schornstein buys 9,000 shares (9.0K) at avg $12.40 across 2 transactions; prior buys at ASMB all well-timed at 90d mark

Schornstein Alexander, a 10% owner, executed 2 separate purchases totaling 9,000 (9.0K shares) for $111,630.74 at a blended average price of $12.40 on 2024-07-03 and 2024-07-05. The current stock price of $13.85 sits 11.8% below the 52-week high of $15.70, and over his prior 4 trades at ASMB, all were well-timed at the 90-day mark, with 90d returns ranging from +1186.9% to +1752.0%. The company remains unprofitable (net income $-9.1M in the latest full fiscal year) with trailing quarterly revenue of $5.8M. This purchase extends a consistent pattern of well-timed insider accumulation at this ticker despite ongoing negative earnings, suggesting the insider retains conviction in the company's trajectory despite its early-stage commercial profile.