Insider Ledger

SNDX insider buying and SEC filings, explained

Syndax Pharmaceuticals Inc · CIK 1395937

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Pharmaceutical Preparations
State of incorporation
DE
Fiscal year end
Dec 31

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$781K
Planned sales (10b5-1)
$2.1M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Oct 29, 2026Planned (10b5-1)Dennis Podlesak (Director) sold 8,000 shares at $14.21 ($114K), marked as a 10b5-1 plan trade. Holdings down 3% to 239,763 shares.SEC filing
Filed Oct 30, 2026, 7:09 PM ET
Jul 8, 2026Planned (10b5-1)Michael A Metzger (CEO and Director) sold 32,375 shares at $24.24 ($785K), marked as a 10b5-1 plan trade. Holdings down 6% to 484,843 shares.SEC filing
Filed Jul 9, 2026
Jun 11–12, 2026Planned (10b5-1)Nicholas A.J. Botwood (Head of R&D, CMO) sold 65,515 shares between Jun 11 and Jun 12 at about $18.07 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 52% to 60,885 shares.SEC filing
Filed Jun 12, 2026
Jun 1, 2026SaleKeith A. Goldan (CFO) sold 1,177 shares at $18.99 ($22K). Holdings down 1% to 139,252 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 2, 2026
Jun 1, 2026SaleMichael A Metzger (CEO and Director) sold 6,847 shares at $18.99 ($130K). Holdings down 1% to 484,843 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 2, 2026
Feb 9, 2026SaleMichael A Metzger (CEO and Director) sold 17,159 shares at $21.03 ($361K). Holdings down 3% to 491,690 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 10, 2026
Feb 9, 2026SaleKeith A. Goldan (CFO) sold 3,410 shares at $21.03 ($72K). Holdings down 2% to 140,429 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 10, 2026
Feb 6, 2026SaleMichael A Metzger (CEO and Director) sold 7,412 shares at $20.62 ($153K). Holdings down 1% to 508,849 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 6, 2026
Feb 6, 2026SaleKeith A. Goldan (CFO) sold 2,082 shares at $20.62 ($43K). Holdings down 1% to 143,839 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Feb 6, 2026

13 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

TagItemsFiledSource
CFO departure Detected from the filing text8-K Item 5.02Nov 2, 2026, 4:02 PM ETSEC filing

8-K filings, last 12 months

FiledItemsTagSource
Nov 2, 2026, 4:02 PM ET
8-K
Earnings released (Item 2.02)
Executive or director change (Item 5.02)
CFO departure Detected from the filing textSEC filing

Red flags are objective triggers only: the item or form filed, never an opinion.

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