D. Scott Barbour insider trades

D. Scott Barbour has filed 62 Form 4s with the SEC that we hold, for Allison Transmission Holdings Inc (ALSN) (Director) and Advanced Drainage Systems, INC. (WMS) (See Remarks, Director). Across all of them we count 0 purchases worth $0 and 4 sales worth $26.9M reported on Form 4. In the last 12 months: 0 purchases ($0) and 3 sales ($11.9M). The largest single trade was a sale of 85,938 shares of Advanced Drainage Systems, INC. worth $15.0M, dated 2024-05-24. The first filing on our record is dated 2022-05-06 and the latest 2026-09-02.

Allison Transmission Holdings Inc (ALSN)

Director · 35 filings · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Advanced Drainage Systems, INC. (WMS)

See Remarks, Director · 28 filings · 4 purchases and sales

Trade date	Code	Shares	Value as filed	Filed	Source
2024-05-24	S, sale reported on Form 4	85,938	$15.0M	2024-05-29	SEC
2025-11-12	S, sale reported on Form 4	2,030	$305.8K	2025-11-13	SEC
2025-11-12	S, sale reported on Form 4	73,462	$10.9M	2025-11-13	SEC
2025-11-12	S, sale reported on Form 4	4,538	$671.7K	2025-11-13	SEC

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1716232) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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