QUODD

Insider Transactions last 24 months for Advanced Drainage Systems, Inc. - NYSE: WMS

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
Martz Bret	See Remarks	03/17/2026	DJ	Direct	COM	107	$139.85	$14,963.95	1,951
Barbour D. Scott	See Remarks	03/13/2026	AG	Indirect	COM	7,150	$0.00	$0.00	109,955
Barbour D. Scott	See Remarks	03/13/2026	DG	Indirect	COM	7,150	$0.00	$0.00	53,141
Barbour D. Scott	See Remarks	03/04/2026	AG	Indirect	COM	511	$0.00	$0.00	511
Barbour D. Scott	See Remarks	03/04/2026	DG	Indirect	COM	511	$0.00	$0.00	0
Eversole Robert M	Director	12/05/2025	DG	Indirect	COM	1,000	$0.00	$0.00	49,076
Eversole Robert M	Director	12/03/2025	DS	Indirect	COM	10,569	$152.82	$1,615,154.58	50,076
Coleman Michael B.	Director	12/02/2025	DG	Direct	COM	68	$0.00	$0.00	11,477
Coleman Michael B.	Director	12/02/2025	DG	Direct	COM	34	$0.00	$0.00	11,545
Coleman Michael B.	Director	12/02/2025	DG	Direct	COM	102	$0.00	$0.00	11,579
Waun Thomas J. Sr.	EVP, International	11/26/2025	DS	Direct	COM	1,500	$155.00	$232,500.00	13,470
Barbour D. Scott	See Remarks	11/25/2025	AG	Indirect	COM	46,500	$0.00	$0.00	46,500
Barbour D. Scott	See Remarks	11/25/2025	DG	Indirect	COM	46,500	$0.00	$0.00	37,491
Barbour D. Scott	See Remarks	11/25/2025	AG	Indirect	COM	14,500	$0.00	$0.00	83,991
Barbour D. Scott	See Remarks	11/25/2025	DG	Indirect	COM	14,500	$0.00	$0.00	11,867
Barbour D. Scott	See Remarks	11/25/2025	DG	Direct	COM	1,800	$0.00	$0.00	41,067
Makowski Tim A	See Remarks	11/12/2025	DS	Direct	COM	101	$149.19	$15,068.33	2,467
Makowski Tim A	See Remarks	11/12/2025	DS	Direct	COM	4,800	$149.21	$716,208.00	2,568
Barbour D. Scott	See Remarks	11/12/2025	DS	Direct	COM	2,030	$150.66	$305,829.85	42,867
Barbour D. Scott	See Remarks	11/12/2025	DS	Direct	COM	73,462	$148.96	$10,942,877.48	44,897
Barbour D. Scott	See Remarks	11/12/2025	DS	Direct	COM	4,538	$148.01	$671,655.77	118,359
Barbour D. Scott	See Remarks	11/12/2025	AM	Direct	COM	80,030	$25.75	$2,060,772.50	122,897
Waun Thomas J. Sr.	EVP, International	11/12/2025	DS	Direct	COM	1,000	$150.00	$150,000.00	14,970
Waun Thomas J. Sr.	EVP, International	11/11/2025	DS	Indirect	COM	1,272	$148.30	$188,689.94	797
Eversole Robert M	Director	11/10/2025	AG	Indirect	COM	4,100	$0.00	$0.00	60,645

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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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Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Barbour D. Scott	See Remarks	11/12/2025	AM	Direct	COM	80,030	$25.75	$2,060,772.50	122,897
Harvey Darin S.	EVP, Supply Chain & Logistics	02/19/2025	AM	Direct	COM	1,488	$96.51	$143,606.88	4,557
Cottrill Scott A	EVP, CFO AND SECRETARY	05/30/2024	AM	Direct	COM	43,809	$24.20	$1,060,177.80	164,649
Cottrill Scott A	EVP, CFO AND SECRETARY	05/30/2024	AM	Direct	COM	29,398	$24.20	$711,431.60	120,840
Klein Robert M	EVP, Sales	05/24/2024	AM	Direct	COM	1,169	$96.51	$112,820.19	105,129
Klein Robert M	EVP, Sales	05/24/2024	AM	Direct	COM	1,031	$99.29	$102,367.99	103,960
Klein Robert M	EVP, Sales	05/24/2024	AM	Direct	COM	859	$105.82	$90,899.38	102,929
Barbour D. Scott	See Remarks	05/24/2024	AM	Direct	COM	85,938	$27.44	$2,358,138.72	131,932
Harvey Darin S.	EVP, Supply Chain & Logistics	05/21/2024	AM	Direct	COM	2,578	$99.29	$255,969.62	9,509
Harvey Darin S.	EVP, Supply Chain & Logistics	05/21/2024	AM	Direct	COM	2,806	$105.82	$296,930.92	6,931