GILSON MICHELLE (Chief Financial Officer) exercised options at ARCELLX, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 4/17/2026ACC: 0001193125-26-161748
Officer· Chief Financial Officer
Since May 2022
0.00
Net shares
Net seller
$330.0K
Total acquired
0
Open market trades
0B · 0S
4
Total transactions
38.11K acquired · 38.11K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+36K
Price / share
$8.66
Trade value
$311.76K
% of position
124.4%
4/15/2026
28.94K→64.94K
Common Stock
Direct
Shares
+2.11K
Price / share
$8.66
Trade value
$18.27K
% of position
3.2%
4/16/2026
64.94K→67.05K
Total
Net shares
+38.11K
Net value
$330.03K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 4/15/2026 | M · Option Exercise | +36K | $8.66 | $311.76K | 124.4% | 28.94K | 64.94K |
| Common Stock Direct | 4/16/2026 | M · Option Exercise | +2.11K | $8.66 | $18.27K | 3.2% | 64.94K | 67.05K |
| Total | +38.11K | $330.03K | ||||||
Derivative Transactions2
Stock Option (right to buy)
Direct
Converts to
Common Stock
36K shares
Shares
−36K
Strike price
8.66
Held after
42.31K
Exercisable
—
4/15/2026
Stock Option (right to buy)
Direct
Converts to
Common Stock
2.11K shares
Shares
−2.11K
Strike price
8.66
Held after
40.20K
Exercisable
—
4/16/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (right to buy) Direct | Common Stock36K shares | 4/15/2026 | M · Option Exercise | −36K | 8.66 | — | 42.31K |
| Stock Option (right to buy) Direct | Common Stock2.11K shares | 4/16/2026 | M · Option Exercise | −2.11K | 8.66 | — | 40.20K |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned5K
Total
5K indirect5K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 5K | Indirect |
| Total | 5K | 5K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported