Barbour D. Scott — Insider Trades & Holdings | InsiderBid

Barbour D. Scott

Form 4 filings across 2 companies. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$11.9M

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
ALSN	Allison Transmission Holdings Inc	$0	$0	$0	13,281	Aug 31
WMS	Advanced Drainage Systems, INC.	$0	$11.9M	-$11.9M	51,652	Aug 20

Allison Transmission Holdings…

$0

Bought

$0

Sold

$0

Held

13,281

Advanced Drainage Systems,…

-$11.9M

Bought

$0

Sold

$11.9M

Held

51,652

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 23 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 50 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Aug 31	ALSN	Allison Transmission…	AGRANT◆	3	—	—	—	Open the original filing on SEC.gov
Aug 20	WMS	Advanced Drainage…	GGIFT	2,000	—	—	-3.7%	Open the original filing on SEC.gov

ALSNAGRANT◆—

Allison Transmission…Aug 31

3 sh

WMSGGIFT—

Advanced Drainage Systems,…Aug 20

2,000 sh · -3.7% own

WMSJOTHER$69.4K

Advanced Drainage Systems,…Jun 12

511 sh @ $135.72 · +1.0% own

WMSJOTHER$69.4K

Advanced Drainage Systems,…Jun 12

511 sh @ $135.72 · -100.0% own

ALSNAGRANT◆—

Allison Transmission…May 29

3 sh

WMSAGRANT◆—

Advanced Drainage Systems,…May 26

20,124 sh

WMSAGRANT—

Advanced Drainage Systems,…May 26

9,036 sh · +13.2% own

WMSFTAX$252.4K

Advanced Drainage Systems,…May 22

1,898 sh @ $133.00 · -2.7% own

WMSAGRANT—

Advanced Drainage Systems,…May 20

29,327 sh · +71.9% own

WMSFTAX$154.6K

Advanced Drainage Systems,…May 20

1,130 sh @ $136.83 · -2.7% own

WMSFTAX$122.9K

Advanced Drainage Systems,…May 19

934 sh @ $131.59 · -2.2% own

ALSNAGRANT◆—

Allison Transmission…May 7

1,503 sh

ALSNMEXER◆—

Allison Transmission…May 6

16 sh

ALSNMEXER◆—

Allison Transmission…May 6

1,570 sh

ALSNMEXER—

Allison Transmission…May 6

1,586 sh · +13.6% own

ALSNAGRANT—

Allison Transmission…May 6

92 sh · +0.8% own

ALSNAGRANT◆—

Allison Transmission…Mar 20

4 sh

WMSGGIFT—

Advanced Drainage Systems,…Mar 13

7,150 sh · +7.0% own

WMSGGIFT—

Advanced Drainage Systems,…Mar 13

7,150 sh · -11.9% own

WMSGGIFT—

Advanced Drainage Systems,…Mar 4

511 sh

WMSGGIFT—

Advanced Drainage Systems,…Mar 4

511 sh · -100.0% own

ALSNAGRANT—

Allison Transmission…Feb 6

102 sh · +0.9% own

ALSNAGRANT◆—

Allison Transmission…Dec 5, 2025

4 sh

WMSGGIFT—

Advanced Drainage Systems,…Nov 25, 2025

46,500 sh

WMSGGIFT—

Advanced Drainage Systems,…Nov 25, 2025

46,500 sh · -55.4% own

WMSGGIFT—

Advanced Drainage Systems,…Nov 25, 2025

14,500 sh · +20.9% own

WMSGGIFT—

Advanced Drainage Systems,…Nov 25, 2025

14,500 sh · -55.0% own

WMSGGIFT—

Advanced Drainage Systems,…Nov 25, 2025

1,800 sh · -4.2% own

WMSMEXER◆—

Advanced Drainage Systems,…Nov 12, 2025

80,030 sh

WMSSSELL$305.8K

Advanced Drainage Systems,…Nov 12, 2025

2,030 sh @ $150.66 · -4.5% own

WMSSSELL$10.9M

Advanced Drainage Systems,…Nov 12, 2025

73,462 sh @ $148.96 · -62.1% own

WMSSSELL$671.7K

Advanced Drainage Systems,…Nov 12, 2025

4,538 sh @ $148.01 · -3.7% own

WMSMEXER$2.1M

Advanced Drainage Systems,…Nov 12, 2025

80,030 sh @ $25.75 · +186.7% own

ALSNAGRANT—

Allison Transmission…Nov 7, 2025

144 sh · +1.3% own

ALSNAGRANT◆—

Allison Transmission…Aug 29, 2025

4 sh

ALSNAGRANT—

Allison Transmission…Aug 7, 2025

135 sh · +1.2% own

ALSNAGRANT◆—

Allison Transmission…May 30, 2025

4 sh

WMSFTAX$214.2K

Advanced Drainage Systems,…May 22, 2025

1,930 sh @ $111.00 · -4.3% own

WMSFTAX$136K

Advanced Drainage Systems,…May 20, 2025

1,149 sh @ $118.39 · -2.5% own

WMSAGRANT◆—

Advanced Drainage Systems,…May 19, 2025

20,165 sh

WMSFTAX$194.9K

Advanced Drainage Systems,…May 19, 2025

1,599 sh @ $121.86 · -3.4% own

WMSAGRANT—

Advanced Drainage Systems,…May 19, 2025

9,457 sh · +24.8% own

WMSFTAX$24.5K

Advanced Drainage Systems,…May 14, 2025

201 sh @ $121.68 · -0.5% own

WMSFTAX$1.6M

Advanced Drainage Systems,…May 14, 2025

12,867 sh @ $121.68 · -25.1% own

WMSAGRANT—

Advanced Drainage Systems,…May 14, 2025

31,529 sh · +160.6% own

ALSNAGRANT◆—

Allison Transmission…May 8, 2025

1,570 sh

ALSNMEXER◆—

Allison Transmission…May 7, 2025

20 sh

ALSNMEXER◆—

Allison Transmission…May 7, 2025

2,017 sh

ALSNMEXER—

Allison Transmission…May 7, 2025

2,037 sh · +22.2% own

ALSNAGRANT—

Allison Transmission…May 7, 2025

122 sh · +1.4% own