William B. Hayes

CIK: 0001320940

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)13 (81.3%)

Compensation grants

Other (G, F, J, C, D, …)3 (18.8%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

BLDR

Builders FirstSource, Inc.

Director

INDP

Indaptus Therapeutics, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (16 total)

BLDR
Builders FirstSource, Inc.
Sep 10, 2026
Award(A)
Direct
583 shares-
BLDR
Builders FirstSource, Inc.
Jun 1, 2026
Award(A)
Direct
508 shares at avg. $76.26$39K
BLDR
Builders FirstSource, Inc.
May 14, 2026
Award(A)
Direct
2.6K shares-
BLDR
Builders FirstSource, Inc.
Mar 1, 2026
Award(A)
Direct
371 shares at avg. $104.29$39K
BLDR
Builders FirstSource, Inc.
Dec 1, 2025
Award(A)
Direct
345 shares at avg. $112.23$39K
BLDR
Builders FirstSource, Inc.
Sep 1, 2025
Award(A)
Direct
279 shares at avg. $138.68$39K
INDP
Indaptus Therapeutics, Inc.
Jun 10, 2025
Award(A)
Stock Option (right to buy)
Direct
12.5K shares-
BLDR
Builders FirstSource, Inc.
Jun 1, 2025
Award(A)
Direct
359 shares at avg. $107.68$39K
BLDR
Builders FirstSource, Inc.
May 27, 2025
Award(A)
Direct
1.7K shares-
INDP
Indaptus Therapeutics, Inc.
Apr 10, 2025
Disposition(D)
Stock Option (right to buy)
Direct
250 shares at avg. $0.50-
INDP
Indaptus Therapeutics, Inc.
Apr 10, 2025
Disposition(D)
Stock Option (right to buy)
Direct
500 shares at avg. $0.50-
INDP
Indaptus Therapeutics, Inc.
Apr 10, 2025
Disposition(D)
Stock Option (right to buy)
Direct
250 shares at avg. $0.50-
BLDR
Builders FirstSource, Inc.
Mar 1, 2025
Award(A)
Direct
269 shares at avg. $138.99$37K
BLDR
Builders FirstSource, Inc.
Feb 28, 2025
Award(A)
Direct
269 shares at avg. $138.99$37K
BLDR
Builders FirstSource, Inc.
Dec 1, 2024
Award(A)
Direct
201 shares at avg. $186.47$37K
BLDR
Builders FirstSource, Inc.
Sep 1, 2024
Award(A)
Direct
215 shares at avg. $174.00$37K

		Type	Shares	Price		Ownership
Sep 10, 2026	BLDR Builders FirstSource, Inc.	Award(A)	583	-	$0	Direct
Jun 1, 2026	BLDR Builders FirstSource, Inc.	Award(A)	508	$76.26	$38,740	Direct
May 14, 2026	BLDR Builders FirstSource, Inc.	Award(A)	2,558	-	$0	Direct
Mar 1, 2026	BLDR Builders FirstSource, Inc.	Award(A)	371	$104.29	$38,692	Direct
Dec 1, 2025	BLDR Builders FirstSource, Inc.	Award(A)	345	$112.23	$38,719	Direct
Sep 1, 2025	BLDR Builders FirstSource, Inc.	Award(A)	279	$138.68	$38,692	Direct
Jun 10, 2025	INDP Indaptus Therapeutics, Inc.	Award(A) Stock Option (right to buy)	12,500	-	-	Direct
Jun 1, 2025	BLDR Builders FirstSource, Inc.	Award(A)	359	$107.68	$38,657	Direct
May 27, 2025	BLDR Builders FirstSource, Inc.	Award(A)	1,707	-	-	Direct
Apr 10, 2025	INDP Indaptus Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	250	$0.50	-	Direct
Apr 10, 2025	INDP Indaptus Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	500	$0.50	-	Direct
Apr 10, 2025	INDP Indaptus Therapeutics, Inc.	Disposition(D) Stock Option (right to buy)	250	$0.50	-	Direct
Mar 1, 2025	BLDR Builders FirstSource, Inc.	Award(A)	269	$138.99	$37,388	Direct
Feb 28, 2025	BLDR Builders FirstSource, Inc.	Award(A)	269	$138.99	$37,388	Direct
Dec 1, 2024	BLDR Builders FirstSource, Inc.	Award(A)	201	$186.47	$37,480	Direct
Sep 1, 2024	BLDR Builders FirstSource, Inc.	Award(A)	215	$174.00	$37,410	Direct

1-16 of 16 transactions

About Hayes William B

Hayes William B (SEC CIK 0001320940) files insider reports with the SEC as Director of Builders FirstSource, Inc. (BLDR) and Director of Indaptus Therapeutics, Inc. (INDP).

Signal8 holds 14 ownership filings by Hayes William B, all Form 4s, filed between Sep 4, 2024 and Sep 14, 2026. Those filings report 16 transactions, from Sep 1, 2024 to Sep 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Hayes William B's filings is in IRVING, TX.

Recent filings by Hayes William B

Sep 10, 2026: Grant or award of BLDR shares (Form 4, code A).
Jun 1, 2026: Grant or award of BLDR shares (Form 4, code A).
May 14, 2026: Grant or award of BLDR shares (Form 4, code A).
Mar 1, 2026: Grant or award of BLDR shares (Form 4, code A).
Dec 1, 2025: Grant or award of BLDR shares (Form 4, code A).

Other insiders filing for Builders FirstSource, Inc. (BLDR)

Hiller Michael, COO-Designate
Steinke Craig Arthur, Director
OLEARY JAMES, Director
Charles Dirkson R, Director
Renz Maria, Director
LEVY PAUL S, Director

How to read Form 4 transaction codes