GILSON MICHELLE (Chief Financial Officer) sold 24.8% of their position (11.22K shares) of ARCELLX, INC. on the open market
Open‑market sale worth $1.28M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 2/25/2026ACC: 0001193125-26-072579
Officer· Chief Financial Officer
Since May 2022
+9.31K
Net shares
Net buyer
$1.28M
Total sold
1
Open market trades
0B · 1S
2
Total transactions
20.53K acquired · 11.22K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+20.53K
Price / share
—
Trade value
—
% of position
46.3%
1/6/2026
44.30K→64.83K
Common Stock
Direct
Shares
−11.22K
Price / share
$113.82
Trade value
$1.28M
% of position
24.8%
2/25/2026
45.16K→33.94K
Total
Net shares
+9.31K
Net value
-$1.28M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/6/2026 | M · Option Exercise | +20.53K | — | — | 46.3% | 44.30K | 64.83K |
| Common Stock Direct | 2/25/2026 | S · Sale | −11.22K | $113.82 | $1.28M | 24.8% | 45.16K | 33.94K |
| Total | +9.31K | -$1.28M | ||||||
Derivative Transactions0
No derivative transactions reported