Insider Trading January 23, 2026

Acumen Pharmaceuticals CFO Executes Stock Sale to Meet Tax Liabilities Amid Ongoing Alzheimer’s R&D Initiatives

Matt Zuga sells shares under a planned trading program while company advances promising Alzheimer’s drug trials

By Ajmal Hussain ABOS
Acumen Pharmaceuticals CFO Executes Stock Sale to Meet Tax Liabilities Amid Ongoing Alzheimer’s R&D Initiatives
ABOS

Matt Zuga, Chief Financial Officer of Acumen Pharmaceuticals, completed stock sales totaling 4,160 shares valued at approximately $7,600 in late January 2026. These transactions were made to satisfy tax withholding obligations linked to vested restricted stock units, following a Rule 10b5-1 plan. Acumen remains focused on progressing Alzheimer’s treatment research despite financial losses reported in Q3 2025.

Key Points

  • CFO Matt Zuga sold 4,160 Acumen Pharmaceuticals shares under a planned Rule 10b5-1 trading plan to fulfill tax withholding obligations from restricted stock unit vesting.
  • Despite recent stock sales, Acumen's shares have gained around 18% over six months but declined roughly 6% year-to-date, with analysts forecasting a potential price range between $4 and $10.
  • Acumen continues to invest in Alzheimer’s drug development, reporting progress in clinical trials with its lead candidate Sabirnetug and maintaining a positive analyst outlook despite recent net losses.
Acumen Pharmaceuticals, a biotech firm listed on NASDAQ under the ticker ABOS, disclosed that its Chief Financial Officer, Matt Zuga, sold a combined total of 4,160 shares of common stock during January 21 and 22, 2026. These sales occurred across two discrete transactions amounting to an aggregate $7,607. The company's market capitalization stands near $120 million, with current shares priced at $1.98 each, marginally outpacing the prices realized in Zuga's recent stock dispositions—a valuation assessed as undervalued by InvestingPro's analysis.

On the initial transaction date, January 21, Zuga sold 2,473 shares with prices fluctuating between $1.7650 and $1.8700 per share on average. Subsequently, on January 22, he parted with 1,687 shares at a price of $1.86 apiece. Despite these sales, data indicates that ABOS shares have appreciated nearly 18% over a half-year timeframe, although year-to-date performance remains approximately 6% below benchmarks.

Post these stock disposals, Zuga retains direct ownership of 304,924 shares in the company. The sales were pre-planned under a Rule 10b5-1 trading arrangement and aimed at covering tax withholdings connected to restricted stock units vesting. From a financial perspective, Acumen's balance sheet reveals a favorable cash surplus relative to its debt, yet cash reserves are diminishing swiftly. Profitability is not anticipated in the current fiscal year based on InvestingPro's outlook. Analyst price targets on ABOS range significantly, from $4 to $10 per share, indicating potential growth opportunities despite prevailing financial challenges. Further detailed analyses can be accessed through the Pro Research Report dedicated to this stock.

In a recent earnings update, Acumen disclosed a net loss amounting to $26.5 million for Q3 2025. Nevertheless, the company underscored positive progress in Alzheimer's disease treatment trials during its earnings call, particularly spotlighting its lead candidate, Sabirnetug, and ongoing partnership with JCR Pharmaceuticals. Significantly, Acumen reported commencing dosing for the initial participant in the open-label extension phase of its Phase 2 ALTITUDE-AD clinical trial, providing an extended 52-week treatment window for subjects.

At the 18th Annual Clinical Trials on Alzheimer’s Disease conference, the company showcased new findings regarding enhanced delivery methods for its therapeutic candidates aimed at Alzheimer's treatment and outlined its recruitment achievements, including completing enrollment of 542 participants for the Phase 2 ALTITUDE-AD trial. Market analysts such as Stifel have maintained a Buy recommendation and a price target of $10 for Acumen, following consultations with company officials concerning Sabirnetug and the drug development pipeline. These initiatives underscore Acumen's commitment to advancing therapeutic options for Alzheimer's disease amid operational financial pressures.

Risks

  • Acumen Pharmaceuticals reported a Q3 2025 net loss of $26.5 million, indicating ongoing financial challenges amidst its research and development expenditures.
  • The company is rapidly depleting cash reserves and is not expected to achieve profitability within the current year, which may impact operational sustainability.
  • Clinical trial outcomes for Alzheimer's treatments remain uncertain, posing development and market adoption risks affecting the biotech sector's valuation.

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