Syndax Pharmaceuticals (SNDX) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)

• Closed at $12.90, -5.49% vs the prior close of $13.65. Day range $12.81–$13.65, opened at $13.65.
• Volume was 2.84M shares, 1.7x its 50-day average of 1.70M.
• Price is -30.2% vs its 50-day average ($18.47) and -37.4% vs its 200-day average ($20.61).
• 52-week range $12.81–$25.59; today's close sits at 1% of that range, 49.6% below the 52-week high.

• Closed at $13.65, +0.89% vs the prior close of $13.53. Day range $13.43–$14.05, opened at $13.58.
• Volume was 2.63M shares, 1.5x its 50-day average of 1.73M.
• Price is -26.6% vs its 50-day average ($18.61) and -33.9% vs its 200-day average ($20.65).
• 52-week range $12.99–$25.59; today's close sits at 5% of that range, 46.7% below the 52-week high.

• Closed at $13.53, -3.01% vs the prior close of $13.95. Day range $13.39–$14.01, opened at $13.92.
• Volume was 3.04M shares, 1.8x its 50-day average of 1.71M.
• Price is -27.8% vs its 50-day average ($18.73) and -34.6% vs its 200-day average ($20.68).
• 52-week range $12.99–$25.59; today's close sits at 4% of that range, 47.1% below the 52-week high.
• That makes 3 straight losses.

• Closed at $13.95, -15.71% vs the prior close of $16.55. Day range $13.49–$14.74, opened at $14.61.
• Volume was 6.80M shares, 4.2x its 50-day average of 1.60M — unusually heavy trading.
• Price is -26.0% vs its 50-day average ($18.85) and -32.7% vs its 200-day average ($20.72).
• 52-week range $12.99–$25.59; today's close sits at 8% of that range, 45.5% below the 52-week high.

• Closed at $16.55, -2.59% vs the prior close of $16.99. Day range $16.37–$16.95, opened at $16.88.
• Volume was 2.03M shares, 1.3x its 50-day average of 1.59M.
• Price is -12.7% vs its 50-day average ($18.95) and -20.3% vs its 200-day average ($20.76).
• 52-week range $12.99–$25.59; today's close sits at 28% of that range, 35.3% below the 52-week high.

• Closed at $16.99, +0.53% vs the prior close of $16.90. Day range $16.78–$17.42, opened at $16.91.
• Volume was 1.46M shares, 0.9x its 50-day average of 1.58M.
• Price is -10.6% vs its 50-day average ($19.00) and -18.3% vs its 200-day average ($20.79).
• 52-week range $12.99–$25.59; today's close sits at 32% of that range, 33.6% below the 52-week high.

• Closed at $16.90, -0.76% vs the prior close of $17.03. Day range $16.39–$17.28, opened at $16.90.
• Volume was 2.14M shares, 1.4x its 50-day average of 1.57M.
• Price is -11.3% vs its 50-day average ($19.05) and -18.8% vs its 200-day average ($20.81).
• 52-week range $12.99–$25.59; today's close sits at 31% of that range, 34.0% below the 52-week high.
• That makes 3 straight losses.

• Closed at $17.03, -1.96% vs the prior close of $17.37. Day range $17.03–$17.69, opened at $17.17.
• Volume was 1.59M shares, 1.0x its 50-day average of 1.56M.
• Price is -10.8% vs its 50-day average ($19.10) and -18.2% vs its 200-day average ($20.83).
• 52-week range $12.99–$25.59; today's close sits at 32% of that range, 33.5% below the 52-week high.

• Closed at $17.37, -2.58% vs the prior close of $17.83. Day range $16.85–$18.19, opened at $17.99.
• Volume was 1.14M shares, 0.7x its 50-day average of 1.56M.
• Price is -9.3% vs its 50-day average ($19.15) and -16.7% vs its 200-day average ($20.84).
• 52-week range $12.99–$25.59; today's close sits at 35% of that range, 32.1% below the 52-week high.

• Closed at $17.83, +1.31% vs the prior close of $17.60. Day range $17.57–$17.98, opened at $17.58.
• Volume was 1.46M shares, 0.9x its 50-day average of 1.55M.
• Price is -7.2% vs its 50-day average ($19.21) and -14.5% vs its 200-day average ($20.86).
• 52-week range $12.99–$25.59; today's close sits at 38% of that range, 30.3% below the 52-week high.

• Closed at $17.60, -3.40% vs the prior close of $18.22. Day range $17.52–$18.46, opened at $18.46.
• Volume was 2.56M shares, 1.7x its 50-day average of 1.53M.
• Price is -8.7% vs its 50-day average ($19.27) and -15.7% vs its 200-day average ($20.87).
• 52-week range $12.99–$25.59; today's close sits at 37% of that range, 31.2% below the 52-week high.

Passive stake (13G) — an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0000093751-26-000542

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

• Revenue: $72.79M (prior year $37.96M) (+91.8% vs Jun 30, 2025)
• Net income: -$49.36M (prior year -$71.85M) (loss narrowed vs Jun 30, 2025)
• Diluted EPS: -$0.55 (prior year -$0.83) (loss narrowed vs Jun 30, 2025)

Source: SEC EDGAR filing 0001193125-26-332750

Current report — a filing companies must make within 4 business days of a major event

• Item 2.02 — Reported results of operations (earnings release).

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001193125-26-332736

Current report — a filing companies must make within 4 business days of a major event

• Item 8.01 — Reported other events the company considers important.

Source: SEC EDGAR filing 0001193125-26-302608

Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings

• Metzger Michael A sold 32,375 shares at $24.24 (≈$784.77K) on Jul 8, 2026
• Metzger Michael A sold 32,375 shares at $24.24 (≈$784.77K) on Jul 8, 2026
• Metzger Michael A sold 32,375 shares at $24.24 (≈$784.77K) on Jul 8, 2026
• Metzger Michael A sold 32,375 shares at $24.24 (≈$784.77K) on Jul 8, 2026

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001193125-26-299803

Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares

A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.

Source: SEC EDGAR filing 0001950047-26-006967