Activity Companies Alerts About

D. Scott Barbour owns 0.52% of Advanced Drainage Systems

389,854 shares as of the August 20, 2026 filing, worth $50M at the latest close.

WMS · $9.7B market cap
Get an email when D. Scott Barbour’s stake moves.
Free.
The stake
0.52%
worth $50M at the latest close
Stake rank
#714
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016

D. Scott Barbour owns 0.52% of ADVANCED DRAINAGE SYSTEMS, INC.: 389,854 of 75,405,342 shares, worth about $50M at the 2026-10-16 close. The stake has moved from 0.10% in 2017 to 0.52% on 2026-08-20.

How the stake is held

as of the Aug 20, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 20, 2026 · Form 4 ↗
HELD DIRECTLY
77,268
19.8%
HELD INDIRECTLY · 7 VEHICLES
312,586
80.2%
Reporting Person's Irrevocable Trust
109,955
28.2%
Spouse's Irrevocable Trust
69,005
17.7%
Reporting Person's Revocable Trust
51,652
13.2%
Reporting Person's 2025 GRAT
46,500
11.9%
By KSOP
17,112
4.4%
Reporting Person's 2024 GRAT
11,867
3.0%
THE STAKE
389,854
0.52%