sellModerate cluster of 2
Michelle Gilson sold $1.3M of ACLX
CHIEF FINANCIAL OFFICER at Arcellx, Inc.. 11,219 shares at an average of $113.82, traded Feb 25, 2026, filed Feb 25, 2026.
Warning score
45Value
$1.3M
11,219 shares
Holdings after
33,938
-25% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +22RoleCFO
- +25Trade size$1.3M at market
- +5Share of holdings soldSold 25% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Rows in this filing
Every transaction in Form 4 0001193125-26-072579, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jan 6, 2026 | MOption exercise Common Stock | +20,530 | $0.00 | $0 | 64,832 | Feb 25, 2026 |
| Feb 25, 2026 | SOpen-market sale Common Stock | -11,219 | $113.82 | $1.3M | 33,938 | Feb 25, 2026 |
Related signals
Other insiders at Arcellx, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 38Weak | Arcellx, Inc. | Rami Elghandour SEE REMARKS | $10M 89,916 shares | -25% | |
| 39Weak | Arcellx, Inc. | Michelle Gilson CHIEF FINANCIAL OFFICER | $573k 8,384 shares | -16% | |
| 42Moderate | Arcellx, Inc. | Michelle Gilson CHIEF FINANCIAL OFFICER | $785k 11,291 shares | -17% | |
| 10Weak | Arcellx, Inc. | David Charles Lubner director | $450k 6,000 shares | -22% | |
| 29Weak | Arcellx, Inc. | Christopher Heery CHIEF MEDICAL OFFICER | $403k 5,882 shares | -20% | |
| 31Weak | Arcellx, Inc. | Christopher Heery CHIEF MEDICAL OFFICER | $487k 7,437 shares | -20% | |
| 29Weak | Arcellx, Inc. | Christopher Heery CHIEF MEDICAL OFFICER | $393k 6,131 shares | -14% | |
| 20Weak | Arcellx, Inc. | Christopher Heery CHIEF MEDICAL OFFICER | $31k 340 shares | -54% | |
| 30Weak | Arcellx, Inc. | Michelle Gilson CHIEF FINANCIAL OFFICER | $488k 5,364 shares | -39% | |
| 38Weak | Arcellx, Inc. | Michelle Gilson CHIEF FINANCIAL OFFICER | $512k 5,946 shares | -30% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.