BLACKFORD QUENTIN S.

PrivateCIK: 1612451
Location

SAN FRANCISCO, CA

BLACKFORD QUENTIN S. (President and CEO) sold 12.1% of their position (25.54K shares) of IRHYTHM HOLDINGS, INC. on the open market

Open‑market sale worth $3.46M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBLACKFORD QUENTIN S.CIK 1612451
IssuerIRHYTHM HOLDINGS, INC.CIK 1388658
DirectorOfficer· President and CEO
Since Oct 2021
+21.15K
Net shares
Net buyer
$3.46M
Total sold
1
Open market trades
0B · 1S
2
Total transactions
46.69K acquired · 25.54K disposed
Non-Derivative Transactions2

Common Stock

Direct
A · Award

Shares

+46.69K

Price / share

Trade value

% of position

28.3%
2/24/2026
164.98K211.67K

Common Stock

Direct
S · Sale

Shares

25.54K

Price / share

$135.42

Trade value

$3.46M

% of position

12.1%
2/25/2026
211.67K186.13K
Total

Net shares

+21.15K

Net value

-$3.46M

Derivative Transactions0
No derivative transactions reported
BLACKFORD QUENTIN S. — Insider Transaction (Form 4) Filed Feb 26, 2026 | Finecho