# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001193125-26-302608
Filing Date
2026-07-14
Accepted
2026-07-14 08:30:27
Documents
93
Period of Report
2026-07-14
Items
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | sndx-20260714.htm iXBRL | 8-K | 50577
2 | EX-99.1 | sndx-ex99_1.htm | EX-99.1 | 28146
3 | EX-99.2 | sndx-ex99_2.htm | EX-99.2 | 65003
4 | GRAPHIC | img199102934_0.jpg | GRAPHIC | 8477
5 | GRAPHIC | sndx-ex99_2s1.jpg | GRAPHIC | 245186
6 | GRAPHIC | sndx-ex99_2s2.jpg | GRAPHIC | 762719
7 | GRAPHIC | sndx-ex99_2s3.jpg | GRAPHIC | 350720
8 | GRAPHIC | sndx-ex99_2s4.jpg | GRAPHIC | 394429
9 | GRAPHIC | sndx-ex99_2s5.jpg | GRAPHIC | 554565
10 | GRAPHIC | sndx-ex99_2s6.jpg | GRAPHIC | 427483
11 | GRAPHIC | sndx-ex99_2s7.jpg | GRAPHIC | 348682
12 | GRAPHIC | sndx-ex99_2s8.jpg | GRAPHIC | 364617
13 | GRAPHIC | sndx-ex99_2s9.jpg | GRAPHIC | 195824
14 | GRAPHIC | sndx-ex99_2s10.jpg | GRAPHIC | 363244
15 | GRAPHIC | sndx-ex99_2s11.jpg | GRAPHIC | 389672
16 | GRAPHIC | sndx-ex99_2s12.jpg | GRAPHIC | 334792
17 | GRAPHIC | sndx-ex99_2s13.jpg | GRAPHIC | 357088
18 | GRAPHIC | sndx-ex99_2s14.jpg | GRAPHIC | 182164
19 | GRAPHIC | sndx-ex99_2s15.jpg | GRAPHIC | 406858
20 | GRAPHIC | sndx-ex99_2s16.jpg | GRAPHIC | 441841
21 | GRAPHIC | sndx-ex99_2s17.jpg | GRAPHIC | 411645
22 | GRAPHIC | sndx-ex99_2s18.jpg | GRAPHIC | 321305
23 | GRAPHIC | sndx-ex99_2s19.jpg | GRAPHIC | 470257
24 | GRAPHIC | sndx-ex99_2s20.jpg | GRAPHIC | 193905
25 | GRAPHIC | sndx-ex99_2s21.jpg | GRAPHIC | 383534
26 | GRAPHIC | sndx-ex99_2s22.jpg | GRAPHIC | 365276
27 | GRAPHIC | sndx-ex99_2s23.jpg | GRAPHIC | 319666
28 | GRAPHIC | sndx-ex99_2s24.jpg | GRAPHIC | 353880
29 | GRAPHIC | sndx-ex99_2s25.jpg | GRAPHIC | 242844
30 | GRAPHIC | sndx-ex99_2s26.jpg | GRAPHIC | 284871
31 | GRAPHIC | sndx-ex99_2s27.jpg | GRAPHIC | 340978
32 | GRAPHIC | sndx-ex99_2s28.jpg | GRAPHIC | 818725
33 | GRAPHIC | sndx-ex99_2s29.jpg | GRAPHIC | 329446
34 | GRAPHIC | sndx-ex99_2s30.jpg | GRAPHIC | 286593
35 | GRAPHIC | sndx-ex99_2s31.jpg | GRAPHIC | 371543
36 | GRAPHIC | sndx-ex99_2s32.jpg | GRAPHIC | 172122
37 | GRAPHIC | sndx-ex99_2s33.jpg | GRAPHIC | 375974
38 | GRAPHIC | sndx-ex99_2s34.jpg | GRAPHIC | 435723
39 | GRAPHIC | sndx-ex99_2s35.jpg | GRAPHIC | 260709
40 | GRAPHIC | sndx-ex99_2s36.jpg | GRAPHIC | 186073
41 | GRAPHIC | sndx-ex99_2s37.jpg | GRAPHIC | 458405
42 | GRAPHIC | sndx-ex99_2s38.jpg | GRAPHIC | 362896
43 | GRAPHIC | sndx-ex99_2s39.jpg | GRAPHIC | 218083
44 | GRAPHIC | sndx-ex99_2s40.jpg | GRAPHIC | 285458
45 | GRAPHIC | sndx-ex99_2s41.jpg | GRAPHIC | 291478
46 | GRAPHIC | sndx-ex99_2s42.jpg | GRAPHIC | 384713
47 | GRAPHIC | sndx-ex99_2s43.jpg | GRAPHIC | 241649
48 | GRAPHIC | sndx-ex99_2s44.jpg | GRAPHIC | 236946
49 | GRAPHIC | sndx-ex99_2s45.jpg | GRAPHIC | 292734
50 | GRAPHIC | sndx-ex99_2s46.jpg | GRAPHIC | 322816
51 | GRAPHIC | sndx-ex99_2s47.jpg | GRAPHIC | 208596
52 | GRAPHIC | sndx-ex99_2s48.jpg | GRAPHIC | 358861
53 | GRAPHIC | sndx-ex99_2s49.jpg | GRAPHIC | 291592
54 | GRAPHIC | sndx-ex99_2s50.jpg | GRAPHIC | 289006
55 | GRAPHIC | sndx-ex99_2s51.jpg | GRAPHIC | 268613
56 | GRAPHIC | sndx-ex99_2s52.jpg | GRAPHIC | 301909
57 | GRAPHIC | sndx-ex99_2s53.jpg | GRAPHIC | 310646
58 | GRAPHIC | sndx-ex99_2s54.jpg | GRAPHIC | 352684
59 | GRAPHIC | sndx-ex99_2s55.jpg | GRAPHIC | 228613
60 | GRAPHIC | sndx-ex99_2s56.jpg | GRAPHIC | 244538
61 | GRAPHIC | sndx-ex99_2s57.jpg | GRAPHIC | 186185
62 | GRAPHIC | sndx-ex99_2s58.jpg | GRAPHIC | 438565
63 | GRAPHIC | sndx-ex99_2s59.jpg | GRAPHIC | 418293
64 | GRAPHIC | sndx-ex99_2s60.jpg | GRAPHIC | 352119
65 | GRAPHIC | sndx-ex99_2s61.jpg | GRAPHIC | 407478
66 | GRAPHIC | sndx-ex99_2s62.jpg | GRAPHIC | 386259
67 | GRAPHIC | sndx-ex99_2s63.jpg | GRAPHIC | 372983
68 | GRAPHIC | sndx-ex99_2s64.jpg | GRAPHIC | 414364
69 | GRAPHIC | sndx-ex99_2s65.jpg | GRAPHIC | 225443
70 | GRAPHIC | sndx-ex99_2s66.jpg | GRAPHIC | 280482
71 | GRAPHIC | sndx-ex99_2s67.jpg | GRAPHIC | 315080
72 | GRAPHIC | sndx-ex99_2s68.jpg | GRAPHIC | 330597
73 | GRAPHIC | sndx-ex99_2s69.jpg | GRAPHIC | 335787
74 | GRAPHIC | sndx-ex99_2s70.jpg | GRAPHIC | 261036
75 | GRAPHIC | sndx-ex99_2s71.jpg | GRAPHIC | 283482
76 | GRAPHIC | sndx-ex99_2s72.jpg | GRAPHIC | 352468
77 | GRAPHIC | sndx-ex99_2s73.jpg | GRAPHIC | 289746
78 | GRAPHIC | sndx-ex99_2s74.jpg | GRAPHIC | 384280
79 | GRAPHIC | sndx-ex99_2s75.jpg | GRAPHIC | 166134
80 | GRAPHIC | sndx-ex99_2s76.jpg | GRAPHIC | 372059
81 | GRAPHIC | sndx-ex99_2s77.jpg | GRAPHIC | 260406
82 | GRAPHIC | sndx-ex99_2s78.jpg | GRAPHIC | 152743
83 | GRAPHIC | sndx-ex99_2s79.jpg | GRAPHIC | 350837
84 | GRAPHIC | sndx-ex99_2s80.jpg | GRAPHIC | 408287
85 | GRAPHIC | sndx-ex99_2s81.jpg | GRAPHIC | 90394
| Complete submission text file | 0001193125-26-302608.txt |  | 37205865

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
86 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | sndx-20260714.xsd | EX-101.SCH | 24852
96 | EXTRACTED XBRL INSTANCE DOCUMENT | sndx-20260714_htm.xml | XML | 4682

Mailing Address 730 THIRD AVENUE 9TH FLOOR NEW YORK NY 10017
Business Address 730 THIRD AVENUE 9TH FLOOR NEW YORK NY 10017 781-419-1400
Syndax Pharmaceuticals Inc (Filer) CIK: 0001395937 (see all company filings)

EIN.: 320162505 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-37708 | Film No.: 261172588
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)