Pritzker Jennifer N.

Pritzker (10% owner, ATEC) sold 250,000 shares for $5.3M at $21.18 avg on 2025-12-08 to 2025-12-09

Jennifer N. Pritzker executed two separate sales totaling 250,000 shares for $5.3M ($5,295,098.22) at a blended average price of $21.18, reducing her holdings from 10.90M to 10.65M shares (-2.3%). The transaction occurred near the 52-week high ($22.59), with the current price at $20.90 reflecting a -7.5% decline from peak. At ATEC specifically, Pritzker executed two earlier sells in late November 2025 (outcomes not yet measurable) and three buys in August 2023 that posted -29.3% to -29.5% 90-day returns; across her cross-ticker open-market history (8 prior buys, 2 prior sells), her buy timing has been poor (90d win rate 12.50%, avg 90d return -15.3%), though the relevance of timing characterization to this particular filing depends on whether it is structured trading plan activity. The company remains unprofitable (net income $-28.6M in the latest quarter) despite strong 26.8% annual revenue growth, creating a context of elevated valuation uncertainty for an unprofitable growth-stage business.

Pritzker (10% Owner) sold 250,000 shares of ATEC at $20.62 on 2025-11-24 ($5.2M); remains major holder at 10.90M shares post-trade.

Pritzker Jennifer N., a 10% owner, disposed of 250,000 shares at $20.62, representing a $5,155,000.00 transaction and a 2.2% reduction in her post-transaction holdings of 10,895,045 shares. The stock has since moved to $22.59, above the sale price, signaling the sale may not have been optimally timed relative to near-term price appreciation; the stock has appreciated 40.9% over the past 90 days and now trades at its 52-week high. Her cross-ticker track record across all open-market transactions shows a dismal win rate of 12.50% on the 90-day view, with prior sells yielding positive returns (the stock rose after prior sales), indicating a pattern of ill-timed exits. ATEC remains unprofitable ($-28.6M net income in the latest quarter) despite strong revenue growth of 26.8% year-over-year, adding fundamental uncertainty. This sale by a major shareholder during a period of strong stock momentum and after a pattern of poorly-timed exits warrants investor attention to whether this reflects changing conviction or execution of a preset plan.

10% owner Pritzker sells 250.0K ATEC shares at $20.80; stock at $19.74; her prior ATEC buys (May–Aug 2023) underperformed 90d, with 0 of 5 well-timed.

Pritzker Jennifer N., a 10% holder, sold 250,000 shares (250.0K shares) for $5,200,000.00 ($5.2M) at $20.80 on 2025-11-12, reducing her stake to 11,145,045 shares (11.15M shares). The sale occurred 1.4% above the current price of $19.74 and near the 52-week high of $20.75. Critically, her prior trading record at ATEC shows a 0% well-timed rate: all five of her prior buys at this ticker between May 2023 and August 2023 posted negative 90-day returns (ranging from -2.3% to -33.7%), meaning she has never timed a buy successfully at this stock. Her cross-ticker history is similarly weak, with an 8-trade average 90-day return of -15.3% and a 12.50% win rate. Against this backdrop, the current sale near the 52-week high comes as stock has rallied +25.7% over the past 90 days. The company posted negative net income of $-28,578,000.00 ($-28.6M) on $196,503,000.00 ($196.5M) in latest quarterly revenue and remains unprofitable, adding fundamental headwind. While the stock's recent momentum is pronounced, the seller's consistent track record of poor execution and underperformance across both ATEC and her broader portfolio suggests this sale warrants examination against her historical pattern.