QUODD

Insider Transactions last 24 months for Syndax Pharmaceuticals, Inc. - NSDQ: SNDX

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Metzger Michael A	Chief Executive Officer	09/08/2025	DS	Direct	COM	157,307	$16.41	$2,582,021.37	298,661
Metzger Michael A	Chief Executive Officer	09/08/2025	AM	Direct	COM	157,307	$10.90	$1,714,646.30	455,968
Podlesak Dennis	Director	08/18/2025	DS	Direct	COM	19,200	$15.84	$304,170.24	191,763
Podlesak Dennis	Director	08/18/2025	AM	Direct	COM	19,200	$7.20	$138,240.00	210,963
Podlesak Dennis	Director	08/15/2025	DS	Direct	COM	19,200	$15.54	$298,408.32	191,763
Podlesak Dennis	Director	08/15/2025	AM	Direct	COM	19,200	$7.20	$138,240.00	210,963
Podlesak Dennis	Director	08/14/2025	DS	Direct	COM	19,200	$14.19	$272,520.96	191,763
Podlesak Dennis	Director	08/14/2025	AM	Direct	COM	19,200	$7.20	$138,240.00	210,963
Goldan Keith A.	Chief Financial Officer	07/31/2025	AJ	Direct	COM	1,226	$8.43	$10,335.18	93,676
Metzger Michael A	Chief Executive Officer	07/16/2025	DS	Direct	COM	7,534	$9.29	$69,953.19	298,661
Goldan Keith A.	Chief Financial Officer	07/16/2025	DS	Direct	COM	1,296	$9.29	$12,033.36	92,450
Katkin Keith	Director	05/19/2025	AP	Direct	COM	10,000	$9.11	$91,120.00	100,000
Huber Martin H. Jr.	Director	05/19/2025	AP	Direct	COM	5,000	$8.99	$44,950.00	79,000
Goldan Keith A.	Chief Financial Officer	05/19/2025	AP	Direct	COM	3,000	$0.00	$0.00	93,746
Botwood Nicholas A.J.	Head of R&D, CMO	05/16/2025	AP	Direct	COM	11,765	$9.00	$105,826.18	35,165
Metzger Michael A	Chief Executive Officer	03/14/2025	AM	Direct	COM	6,074	$7.20	$43,732.80	306,195
Metzger Michael A	Chief Executive Officer	03/04/2025	DS	Direct	COM	7,814	$15.05	$117,563.97	300,121
Metzger Michael A	Chief Executive Officer	03/04/2025	AM	Direct	COM	7,814	$7.20	$56,260.80	307,935
Gallagher Neil	President, Head of R&D	02/10/2025	DS	Direct	COM	4,618	$15.50	$71,597.47	85,095
Metzger Michael A	Chief Executive Officer	02/10/2025	DS	Direct	COM	13,288	$15.50	$206,017.15	300,121
Goldan Keith A.	Chief Financial Officer	02/10/2025	DS	Direct	COM	3,777	$15.50	$58,558.61	90,746
Legault Pierre	Director	02/05/2025	AA	Direct	COM	25,000	$0.00	$0.00	90,000
Huber Martin H. Jr.	Director	02/05/2025	AA	Direct	COM	25,000	$0.00	$0.00	74,000
Jarrett Jennifer	Director	02/05/2025	AA	Direct	COM	25,000	$0.00	$0.00	90,000
Katkin Keith	Director	02/05/2025	AA	Direct	COM	25,000	$0.00	$0.00	90,000

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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