William Robert Elder Diffusion Pharmaceuticals Inc. (DFFN) insider trading activity

William Robert Elder is CFO, GC & Secretary of Diffusion Pharmaceuticals Inc.. Currently has a direct ownership of 12,500 shares of DFFN, which is worth approximately $115,625. The most recent transaction as insider was on Nov 18, 2025, when has been sold 2,500 shares (Common Stock) at a price of $8.32 per share, resulting in proceeds of $20,800. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 12.5K

127.27% 3M change

886.58% 12M change

Total Value Held $115,625

WILLIAM ROBERT ELDER Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 18 2025	BUY Open market or private purchase	$20,800 $8.32 p/Share	2,500 Added 16.67%	12,500 Common Stock
Nov 17 2025	BUY Open market or private purchase	$8,450 $8.45 p/Share	1,000 Added 9.09%	10,000 Common Stock
Nov 12 2025	BUY Open market or private purchase	$26,040 $7.44 p/Share	3,500 Added 28.0%	9,000 Common Stock
May 14 2025	BUY Open market or private purchase	$35,811 $8.46 p/Share	4,233 Added 43.49%	5,500 Common Stock
Aug 27 2024	BUY Open market or private purchase	$18,160 $18.16 p/Share	1,000 Added 44.11%	1,267 Common Stock
Apr 18 2022	BUY Conversion of derivative security	$2,500 $25.0 p/Share	100 Added 20.0%	400 Common Stock
Nov 17 2020	BUY Open market or private purchase	$3,150 $0.63 p/Share	5,000 Added 25.0%	15,000 Common Stock

Nov 16 2020	BUY Open market or private purchase	$6,700 $0.67 p/Share	10,000 Added 50.0%	10,000 Common Stock

WRE

William Robert Elder

CFO, GC & Secretary

Charlottesville, VA

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