WINDSOR JAMES BRIAN

PrivateCIK: 1790933
Location

AUSTIN, TX

WINDSOR JAMES BRIAN (See Remarks) purchased 1221.9% of their position (25K shares) of REIN THERAPEUTICS, INC. on the open market

Open‑market purchase worth $25.0K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase
InsiderWINDSOR JAMES BRIANCIK 1790933
IssuerREIN THERAPEUTICS, INC.CIK 1420565
Officer· See Remarks
Since Oct 2023
-125K
Net shares
Net seller
$25.0K
Total acquired
1
Open market trades
1B · 0S
2
Total transactions
25K acquired · 150K disposed
Non-Derivative Transactions1

Common stock , $0.001 par value

Direct
P · Purchase

Shares

+25K

Price / share

$1.00

Trade value

$25K

% of position

1221.9%
4/30/2026
2.05K27.05K
Total

Net shares

+25K

Net value

$25K

Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

150K shares

Shares

150K

Strike price

1.17

Held after

150K

Exercisable

5/8/2026
WINDSOR JAMES BRIAN — Insider Transaction (Form 4) Filed May 13, 2026 | Finecho