SYNDAX PHARMACEUTICALS INC

Insider Trading & Executive Data

SNDX
NASDAQ
Healthcare
Biotechnology

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46 insider trades in the last year. Go beyond summary counts with transaction-level detail, compensation intelligence, and institutional ownership context.

Trade-level insider transactions with filing links, transaction codes, and footnotes
Executive compensation trends by role with year-over-year comparisons
Institutional ownership shifts by quarter with top-holder concentration data
Form 144 and Form 8-K monitoring with AI analysis and CSV export tools

Insider Activity Summary

Insider Trades (1Y)
46
19 in last 30 days
Buy / Sell (1Y)
30/16
Acquisitions / Dispositions
Unique Insiders (1Y)
9
Active in past year
Insider Positions
15
Current holdings
Position Status
14/1
Active / Exited
Institutional Holders
229
Latest quarter
Board Members
32

Compensation & Governance

Avg Total Compensation
$3.2M
Latest year: 2024
Executives Covered
11
Comp records available
Form 8-K Events (1Y)
2
Personnel Changes (1Y)
2
Bonus Plan Events (1Y)
0
Organization Changes (1Y)
0
Board Appointments (1Y)
1
Board Departures (1Y)
2

Restricted Sales

Form 144 Filings (1Y)
11
Form 144 Insiders (1Y)
4
Planned Sale Shares (1Y)
277.4K
Planned Sale Value (1Y)
$4.5M
Price
$21.27
Market Cap
$1.9B
Volume
19,077
EPS
$-3.29
Revenue
$172.4M
Employees
184
About SYNDAX PHARMACEUTICALS INC

Company Overview

Syndax Pharmaceuticals is a commercial-stage biotechnology company focused on targeted oncology and fibrotic-disease therapeutics, with two U.S. FDA-approved, first‑in‑class products: Revuforj (revumenib) for relapsed/refractory acute leukemia and Niktimvo (axatilimab‑csfr) for chronic GVHD. The company launched both products in late 2024/early 2025, generates nascent product and collaboration revenue, and is rapidly scaling commercial and late‑stage clinical investments (R&D and SG&A increased materially as launches and pivotal trials expanded). Key corporate dependencies include co‑commercialization and ex‑U.S. rights with Incyte, third‑party manufacturing, milestone/royalty economics (including a material Royalty Pharma transaction), and upcoming regulatory catalysts such as the revumenib sNDA/PDUFA timeline.

Executive Compensation Practices

Given the transition from development to commercialization and wide 2024 net losses driven by heavy R&D and launch spend, executive pay at Syndax is likely to emphasize equity‑heavy, long‑term incentive compensation (stock options/RSUs) and milestone‑based bonuses to conserve cash while aligning leadership with value‑creating regulatory and commercial outcomes. Short‑term cash incentives and bonuses are probably tied to near‑term, company‑specific KPIs: regulatory submissions/approvals (e.g., sNDA/PDUFA), trial readouts, achievement of sales/reimbursement targets for Revuforj and Niktimvo, and partnership/milestone payments from Incyte and licensors. Board compensation committees will also need to weigh non‑GAAP items arising from the Royalty Pharma sale and collaboration accounting when setting targets, and may include retention or change‑in‑control protections to secure a relatively small, specialized executive and commercial team.

Insider Trading Considerations

Insider trading at Syndax can be highly event‑driven: trades before or after clinical readouts, sNDA/PDUFA decisions, major partnership milestones, or quarterly launch metrics will be especially informative and risky for insiders due to material information asymmetry. Typical controls—SEC Section 16 reporting, Company black‑out periods around FDA filings, clinical data releases and earnings, and Rule 10b5‑1 trading plans—are particularly important here; insiders will often use planned sales for option exercises, tax needs, or diversification given concentrated equity holdings. Also watch for trades tied to financing or the Royalty Pharma arrangement (which affected liquidity and future cash flows), and consider that frequent insider sales may reflect personal liquidity choices rather than negative views—conversely, insider buys near commercialization inflection points can signal confidence in uptake or upcoming favorable catalysts.

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