ACLX
insider transactionsArcellx, Inc. — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
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Other·D
Director
—
1.8K sh
Own -100%
-
Other·D
Director
—
16.8K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
59.0K sh
Own -100%
-
Grant·A
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
59.0K sh
Own New
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
88.5K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
61.6K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
20.5K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
94.6K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
70.8K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
32.5K sh
Own -100%
-
Other·D
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
40.2K sh
Own -100%
-
Other·U
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
5.0K sh
-
Other·U
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
—
67.0K sh
-
Other·D
CHIEF MEDICAL OFFICER
—
45.1K sh
Own -100%
-
Grant·A
CHIEF MEDICAL OFFICER
—
45.1K sh
Own New
-
Other·D
CHIEF MEDICAL OFFICER
—
67.7K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
39.2K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
13.0K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
60.1K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
76.2K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
40.0K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
132.4K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
43.6K sh
Own -100%
-
Other·D
CHIEF MEDICAL OFFICER
—
10.9K sh
Own -100%
-
Other·U
CHIEF MEDICAL OFFICER
—
23.7K sh
-
Other·D
Director
—
9.2K sh
Own -100%
-
Other·D
Director
—
8.0K sh
Own -100%
-
Other·D
Director
—
11.5K sh
Own -100%
-
Other·D
Director
—
20.5K sh
Own -100%
-
Other·D
Director
—
27.1K sh
Own -100%
-
Other·D
Director
—
9.2K sh
Own -100%
-
Other·D
Director
—
8.0K sh
Own -100%
-
Other·D
Director
—
11.5K sh
Own -100%
-
Other·D
Director
—
36.8K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
138.9K sh
Own -100%
-
Grant·A
Rami Elghandour KEY
President, CEO and Chairman o…
—
138.9K sh
Own New
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
284.4K sh
Own -100%
-
Grant·A
Rami Elghandour KEY
President, CEO and Chairman o…
—
284.4K sh
Own New
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
147.7K sh
Own -100%
-
Grant·A
Rami Elghandour KEY
President, CEO and Chairman o…
—
147.7K sh
Own New
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
208.3K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
168.0K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
55.5K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
810.1K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
256.0K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
245.1K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
120.0K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
837.6K sh
Own -100%
-
Other·D
Rami Elghandour KEY
President, CEO and Chairman o…
—
1.1M sh
Own -100%
-
Other·U
Rami Elghandour KEY
President, CEO and Chairman o…
—
101.2K sh
-
Other·U
Rami Elghandour KEY
President, CEO and Chairman o…
—
218.5K sh
-
Other·U
Rami Elghandour KEY
President, CEO and Chairman o…
—
198.0K sh
-
Other·U
Rami Elghandour KEY
President, CEO and Chairman o…
—
174.9K sh
-
Other·D
Director
—
9.2K sh
Own -100%
-
Other·D
Director
—
8.0K sh
Own -100%
-
Other·D
Director
—
11.5K sh
Own -100%
-
Other·D
Director
—
61.5K sh
Own -100%
-
Other·D
Director
—
31.8K sh
Own -100%
-
Other·D
Director
—
59.4K sh
Own -100%
-
Other·D
Director
—
13.6K sh
Own -100%
-
Other·U
Director
—
21.7K sh
-
Other·D
Director
—
1.8K sh
Own -100%
-
Other·D
Director
—
16.8K sh
Own -100%
-
Other·U
Director
—
5.0K sh
-
Other·D
Director
—
9.2K sh
Own -100%
-
Other·D
Director
—
8.0K sh
Own -100%
-
Other·D
Director
—
11.5K sh
Own -100%
-
Other·U
Director
—
1.5M sh
-
Other·D
Director
—
9.2K sh
Own -100%
-
Other·D
Director
—
8.0K sh
Own -100%
-
Other·D
Director
—
11.5K sh
Own -100%
-
Other·U
Director
—
2.7K sh
-
Other·U
Director
—
1.9K sh
-
Exercise·M
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
$0
2.1K sh
Own +6%
-
Exercise·M
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
$18.3K
2.1K sh · $8.66
Own +3%
-
Exercise·M
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
$0
36.0K sh
Own +570%
-
Exercise·M
Michelle Gilson KEY
CHIEF FINANCIAL OFFICER
$311.8K
36.0K sh · $8.66
Own +124%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Apr 28, 2026 | Kristin Myers | Other D | 1.8K | — |
| Apr 28, 2026 | Kristin Myers | Other D | 16.8K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 59.0K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Grant A | 59.0K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 88.5K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 61.6K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 20.5K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 94.6K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 70.8K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 32.5K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other D | 40.2K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other U | 5.0K | — |
| Apr 28, 2026 | Michelle Gilson KEY | Other U | 67.0K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 45.1K | — |
| Apr 28, 2026 | Christopher Heery | Grant A | 45.1K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 67.7K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 39.2K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 13.0K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 60.1K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 76.2K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 40.0K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 132.4K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 43.6K | — |
| Apr 28, 2026 | Christopher Heery | Other D | 10.9K | — |
| Apr 28, 2026 | Christopher Heery | Other U | 23.7K | — |
| Apr 28, 2026 | Kavita Patel | Other D | 9.2K | — |
| Apr 28, 2026 | Kavita Patel | Other D | 8.0K | — |
| Apr 28, 2026 | Kavita Patel | Other D | 11.5K | — |
| Apr 28, 2026 | Kavita Patel | Other D | 20.5K | — |
| Apr 28, 2026 | Kavita Patel | Other D | 27.1K | — |
| Apr 28, 2026 | Olivia C Ware | Other D | 9.2K | — |
| Apr 28, 2026 | Olivia C Ware | Other D | 8.0K | — |
| Apr 28, 2026 | Olivia C Ware | Other D | 11.5K | — |
| Apr 28, 2026 | Olivia C Ware | Other D | 36.8K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 138.9K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Grant A | 138.9K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 284.4K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Grant A | 284.4K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 147.7K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Grant A | 147.7K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 208.3K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 168.0K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 55.5K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 810.1K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 256.0K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 245.1K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 120.0K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 837.6K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other D | 1.1M | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other U | 101.2K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other U | 218.5K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other U | 198.0K | — |
| Apr 28, 2026 | Rami Elghandour KEY | Other U | 174.9K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 9.2K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 8.0K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 11.5K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 61.5K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 31.8K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 59.4K | — |
| Apr 28, 2026 | David Charles Lubner | Other D | 13.6K | — |
| Apr 28, 2026 | David Charles Lubner | Other U | 21.7K | — |
| Apr 28, 2026 | Andrew H Galligan | Other D | 1.8K | — |
| Apr 28, 2026 | Andrew H Galligan | Other D | 16.8K | — |
| Apr 28, 2026 | Andrew H Galligan | Other U | 5.0K | — |
| Apr 28, 2026 | Jill Carroll | Other D | 9.2K | — |
| Apr 28, 2026 | Jill Carroll | Other D | 8.0K | — |
| Apr 28, 2026 | Jill Carroll | Other D | 11.5K | — |
| Apr 28, 2026 | Jill Carroll | Other U | 1.5M | — |
| Apr 28, 2026 | Ali Behbahani | Other D | 9.2K | — |
| Apr 28, 2026 | Ali Behbahani | Other D | 8.0K | — |
| Apr 28, 2026 | Ali Behbahani | Other D | 11.5K | — |
| Apr 28, 2026 | Ali Behbahani | Other U | 2.7K | — |
| Apr 28, 2026 | Ali Behbahani | Other U | 1.9K | — |
| Apr 16, 2026 | Michelle Gilson KEY | Exercise M | 2.1K | $0 |
| Apr 16, 2026 | Michelle Gilson KEY | Exercise M | 2.1K | $18.3K |
| Apr 15, 2026 | Michelle Gilson KEY | Exercise M | 36.0K | $0 |
| Apr 15, 2026 | Michelle Gilson KEY | Exercise M | 36.0K | $311.8K |
About ACLX insider trading
This page tracks insider transactions for Arcellx, Inc. (ACLX) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.