William H. Armstrong III

CIK: 0001200799

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)3 (27.3%)

Compensation grants

Other (G, F, J, C, D, …)8 (72.7%)

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

Companies & Roles (1)

STRS

STRATUS PROPERTIES INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

STRS
STRATUS PROPERTIES INC
Mar 15, 2026
Tax Payment(F)
Direct
984 shares at avg. $32.34$32K
STRS
STRATUS PROPERTIES INC
Feb 19, 2026
Award(A)
Direct
15.6K shares-
STRS
STRATUS PROPERTIES INC
Feb 19, 2026
Award(A)
Direct
16.6K shares-
STRS
STRATUS PROPERTIES INC
Feb 15, 2026
Tax Payment(F)
Direct
1.3K shares at avg. $29.40$39K
STRS
STRATUS PROPERTIES INC
Feb 13, 2026
Tax Payment(F)
Direct
4.4K shares at avg. $29.69$129K
STRS
STRATUS PROPERTIES INC
Mar 15, 2025
Tax Payment(F)
Direct
2.8K shares at avg. $18.07$50K
STRS
STRATUS PROPERTIES INC
Feb 17, 2025
Tax Payment(F)
Direct
3.3K shares at avg. $19.90$66K
STRS
STRATUS PROPERTIES INC
Feb 17, 2025
Tax Payment(F)
Direct
3.3K shares at avg. $19.90$66K
STRS
STRATUS PROPERTIES INC
Feb 15, 2025
Tax Payment(F)
Direct
3.6K shares at avg. $19.90$72K
STRS
STRATUS PROPERTIES INC
Feb 15, 2025
Tax Payment(F)
Direct
3.7K shares at avg. $19.90$73K
STRS
STRATUS PROPERTIES INC
Feb 13, 2025
Award(A)
Direct
17.3K shares-

		Type	Shares	Price		Ownership
Mar 15, 2026	STRS STRATUS PROPERTIES INC	Tax Payment(F)	984	$32.34	$31,823	Direct
Feb 19, 2026	STRS STRATUS PROPERTIES INC	Award(A)	15,638	-	$0	Direct
Feb 19, 2026	STRS STRATUS PROPERTIES INC	Award(A)	16,588	-	$0	Direct
Feb 15, 2026	STRS STRATUS PROPERTIES INC	Tax Payment(F)	1,331	$29.40	$39,131	Direct
Feb 13, 2026	STRS STRATUS PROPERTIES INC	Tax Payment(F)	4,360	$29.69	$129,448	Direct
Mar 15, 2025	STRS STRATUS PROPERTIES INC	Tax Payment(F)	2,782	$18.07	$50,271	Direct
Feb 17, 2025	STRS STRATUS PROPERTIES INC	Tax Payment(F)	3,329	$19.90	$66,247	Direct
Feb 17, 2025	STRS STRATUS PROPERTIES INC	Tax Payment(F)	3,329	$19.90	$66,247	Direct
Feb 15, 2025	STRS STRATUS PROPERTIES INC	Tax Payment(F)	3,640	$19.90	$72,436	Direct
Feb 15, 2025	STRS STRATUS PROPERTIES INC	Tax Payment(F)	3,688	$19.90	$73,391	Direct
Feb 13, 2025	STRS STRATUS PROPERTIES INC	Award(A)	17,258	-	-	Direct

1-11 of 11 transactions

About ARMSTRONG WILLIAM H III

ARMSTRONG WILLIAM H III (SEC CIK 0001200799) files insider reports with the SEC as Chair of Board, President, CEO of STRATUS PROPERTIES INC (STRS).

Signal8 holds 6 ownership filings by ARMSTRONG WILLIAM H III, all Form 4s, filed between Feb 18, 2025 and Mar 17, 2026. Those filings report 11 transactions, from Feb 13, 2025 to Mar 15, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on ARMSTRONG WILLIAM H III's filings is in AUSTIN, TX.

Recent filings by ARMSTRONG WILLIAM H III

Mar 15, 2026: Tax withholding of STRS shares (Form 4, code F).
Feb 19, 2026: Grants or awards of STRS shares (2 lines, Form 4, code A).
Feb 15, 2026: Tax withholding of STRS shares (Form 4, code F).
Feb 13, 2026: Tax withholding of STRS shares (Form 4, code F).
Mar 15, 2025: Tax withholding of STRS shares (Form 4, code F).

Other insiders filing for STRATUS PROPERTIES INC (STRS)

How to read Form 4 transaction codes