InsiderTrades

Form 4 for SNDX Syndax Pharmaceuticals Inc

Accepted 2025-08-18 00:00:00 ET · period of report 2025-08-14 · accession 0000950170-25-109815 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DMT 2025-08-18 2025-08-14+ SNDX Podlesak Dennis Dir S - Sale+OE $15.19 -57.6K 191.8K -23% -$874.9K
DMT 2025-08-18 2025-08-14+ SNDX Podlesak Dennis Dir M - OptEx $7.20 +57.6K 211.0K +38% +$414.7K
DMT 2025-08-18 2025-08-14+ SNDX Podlesak Dennis Dir M - OptEx $0.00 -57.6K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-18 S D 19,200 $15.84 191,763 D — — (F4) The sale prices ranged from $15.61 to $16.00.
2 Common Common Stock 2025-08-18 M A 19,200 $7.20 210,963 D — —
3 Common Common Stock 2025-08-15 S D 19,200 $15.54 191,763 D — — (F3) The sale prices ranged from $14.88 to $15.91.
4 Common Common Stock 2025-08-15 M A 19,200 $7.20 210,963 D — —
5 Common Common Stock 2025-08-14 S D 19,200 $14.19 191,763 D — — (F2) The sale prices ranged from $13.30 to $14.80.
6 Common Common Stock 2025-08-14 M A 19,200 $7.20 210,963 D — —
7 Derivative Stock Options (Right to buy) 2025-08-18 M D 19,200 $0.00 0 D $7.20 · — to 2025-08-20 19,200 Common Stock (F5) This option is fully vested.
8 Derivative Stock Options (Right to buy) 2025-08-14 M D 19,200 $0.00 0 D $7.20 · — to 2025-08-18 19,200 Common Stock (F5) This option is fully vested.
9 Derivative Stock Options (Right to buy) 2025-08-15 M D 14,400 $0.00 0 D $7.20 · — to 2025-08-18 14,400 Common Stock (F5) This option is fully vested.
10 Derivative Stock Options (Right to buy) 2025-08-15 M D 4,800 $0.00 0 D $7.20 · — to 2025-08-20 4,800 Common Stock (F5) This option is fully vested.