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SNDX · Syndax Pharmaceuticals Inc

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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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SNDX

Name: Syndax Pharmaceuticals Inc (SNDX) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

Syndax Pharmaceuticals Inc

PHARMA & BIOTECH · PHARMACEUTICAL PREPARATIONS · CIK 0001395937

FORM 144 · 1☆ WATCH

INSIDER NET · 180D

-$2.1M

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

135

13F, latest reported quarter

REVENUE GROWTH

+627.8%

XBRL, annual

NET MARGIN

-165.6%

CONVERSIONS · 180D

codes C/M, not in net · $949.4K priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$2.1M over 180 days

-$2.0M over 90 days

below 67% of Pharma & Biotech

CONGRESS

no member of Congress has reported trading it

FUNDS

135 funds added or opened last quarter

more than 76% of Pharma & Biotech

REVENUE

+627.8% year over year

more than 95% of Pharma & Biotech

MARGIN

-165.6% net margin

below 70% of Pharma & Biotech

BUYBACKS

no share repurchases reported

SHORT

no short interest reported

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

Insiders are net sellers: -$2.1M across 3 people in 180 days.

135 funds added or opened positions in the latest 13F quarter, of 244 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +27.5%

+27.5%12M

INSIDER SELLFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $2.1M sold by insiders over 180 days, 135 funds added last quarter, $752.4K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UTHR CPIX MRNA REGN LLY ALNY ELF CITR MDGL DNA VRTX NUVL

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Syndax Pharmaceuticals Inc insiders sold a net $2.1M of stock across 104 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

Metzger Michael A

Chief Executive Officer

SELL

2026-07-08

32,375.0

$784.8K

Botwood Nicholas A.J.

Head of R&D, CMO

SELL

2026-06-12

31,235.0

$566.6K

Botwood Nicholas A.J.

Head of R&D, CMO

SELL

2026-06-11

34,280.0

$617.0K

Goldan Keith A.

Chief Financial Officer

SELL

2026-06-01

1,177.0

$22.4K

Metzger Michael A

Chief Executive Officer

SELL

2026-06-01

6,847.0

$130.0K

104 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 99 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

9,020,006.0 sh

$197.2M

Kynam Capital Management, LP

8,050,959.0 sh

$176.0M

GOLDMAN SACHS GROUP INC

5,861,265.0 sh

$128.1M

STATE STREET CORP

5,658,424.0 sh

$123.7M

BANK OF AMERICA CORP /DE/

4,045,094.0 sh

$88.4M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

MICHAEL METZGER

FILED 2026-07-08

$752.4K

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

Tema Oncology ETF

$2.8M POSITION · AS OF 2026-02-28

1.7%

Virtus Biotech Etf

$995.6K POSITION · AS OF 2026-04-30

1.7%

Columbia Variable Portfolio - Select Small Cap Value Fund

$1.3M POSITION · AS OF 2026-03-31

1.2%

Columbia Select Small Cap Value Fund

$4.3M POSITION · AS OF 2026-02-28

1.1%

Franklin Biotechnology Discovery Fund

$10.6M POSITION · AS OF 2026-04-30

1.0%

BNY Mellon Small Cap Value Fund

$2.5M POSITION · AS OF 2026-03-31

0.9%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Clinical pipeline

ClinicalTrials.gov · 15 registered trials, 5 still enrolling or running — a status change here is dated weeks before the press release

Phase 1

1 ACTIVE

Phase 2

2 ACTIVE

Phase 3

1 ACTIVE

Not applicable

0 ACTIVE

Multi-phase

1 ACTIVE

TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12	2023-12	2022-12
REVENUE	$172.4M	$23.7M	$0	$0
OPERATING INCOME	$-273.1M	$-339.7M	$-230.0M	$-151.8M
NET INCOME	$-285.4M	$-318.8M	$-209.4M	$-149.3M
EPS (DILUTED)	-3.29	-3.72	-2.98	-2.46
OPERATING CASH FLOW	$-323.0M	$-274.9M	$-160.6M	$-133.7M
CASH	$134.9M	$154.1M	$295.4M	$74.4M

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE