Gilson Michelle Insider Trading Activity
Gilson Michelle has been net-selling over the last 12 months with 0 purchases and 9 sales across 1 company.
ACLX is the most-traded position with 9 trades. The largest single transaction was a sale of ACLX for $1.3M on Feb 25, 2026.
Performance Scorecard
Forward stock performance after each transaction by Gilson Michelle. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -30.3% | 9% | 11 |
| 90 days | — | +13.5% | 60% | 5 |
| 120 days | — | +3.4% | 60% | 5 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersACLX · Arcellx, Inc.
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Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Feb 25, 2026 | ACLX | Sell | 11,219 | $113.82 | $1.3M | −24.8% | CFO | |
Feb 19, 2026 | ACLX | Sell | 2,879 | $67.73 | $195K | −5.4% | CFO | |
Feb 19, 2026 | ACLX | Sell | 5,405 | $68.57 | $371K | −10.7% | CFO | |
Feb 19, 2026 | ACLX | Sell | 100 | $69.38 | $7K | −0.2% | CFO | |
Feb 17, 2026 | ACLX | Sell | 4,150 | $70.01 | $291K | −7.2% | CFO | |
Feb 17, 2026 | ACLX | Sell | 7,141 | $69.21 | $494K | −11.0% | CFO | |
Oct 15, 2025 | ACLX | Sell | 5,364 | $91.04 | $488K | −38.8% | CFO | |
Oct 6, 2025 | ACLX | Sell | 1,064 | $86.22 | $92K | −7.1% | CFO | |
Oct 3, 2025 | ACLX | Sell | 4,882 | $86.00 | $420K | −24.7% | CFO | |
May 27, 2025 | ACLX | Sell | 3,786 | $63.62 | $241K | −11.8% | CFO | |
May 27, 2025 | ACLX | Sell | 8,449 | $64.38 | $544K | −29.9% | CFO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ACLX | Arcellx, Inc. | 11 | $4.4M |
Other insiders at Arcellx, Inc.
1 other tracked filer at ACLX.