Updated Jul 16, 2026
BARBOUR D. SCOTT has filed 6 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $11.92M.

| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-17 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | J — Other acquisition / disposition | 511 | $135.72 | $69K |
| 2026-06-17 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | J — Other acquisition / disposition | 511 | $135.72 | $69K |
| 2026-05-28 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | A — Grant or award | 9.0K | $0.00 | |
| 2026-05-27 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | F — Tax withholding / forfeiture | 1.9K | $133.00 | $252K |
| 2026-05-21 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | A — Grant or award | 29.3K | $0.00 | |
| 2026-05-21 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | F — Tax withholding / forfeiture | 1.1K | $136.83 | $155K |
| 2026-05-21 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | F — Tax withholding / forfeiture | 934 | $131.59 | $123K |
| 2026-05-08 | ALSN | Allison Transmission Holdings Inc | M — Option exercise | 1.6K | $0.00 | |
| 2026-05-08 | ALSN | Allison Transmission Holdings Inc | A — Grant or award | 92 | $0.00 | |
| 2026-03-17 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 7.2K | $0.00 | |
| 2026-03-17 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 7.2K | $0.00 | |
| 2026-03-06 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 511 | $0.00 | |
| 2026-03-06 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 511 | $0.00 | |
| 2026-02-10 | ALSN | Allison Transmission Holdings Inc | A — Grant or award | 102 | $0.00 | |
| 2025-11-26 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 46.5K | $0.00 | |
| 2025-11-26 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 46.5K | $0.00 | |
| 2025-11-26 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 14.5K | $0.00 | |
| 2025-11-26 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 14.5K | $0.00 | |
| 2025-11-26 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | G — Bona-fide gift | 1.8K | $0.00 | |
| 2025-11-13 | WMS | ADVANCED DRAINAGE SYSTEMS, INC. | S — Open-market sale | 2.0K | $150.66 | $306K |
BARBOUR D. SCOTT is a corporate insider — currently tracked as Insider of ADVANCED DRAINAGE SYSTEMS, INC. (WMS). InsiderAlpha tracks every SEC Form 4 filing in real time.
6 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($11.92M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live BARBOUR D. SCOTT profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.