Mercier Johanna Insider Trading Activity
Mercier Johanna has been net-selling over the last 12 months with 0 purchases and 19 sales across 1 company.
GILD is the most-traded position with 19 trades. The largest single transaction was a sale of GILD for $3.2M on Nov 17, 2025.
Performance Scorecard
Forward stock performance after each transaction by Mercier Johanna. 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 | — | +2.1% | 76% | 21 |
| 90 days | — | -2.7% | 29% | 17 |
| 120 days | — | -2.5% | 25% | 16 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersGILD · GILEAD SCIENCES, INC.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 15, 2026 | GILD | Sell | 7,749 | $130.29 | $1.0M | −5.0% | Chief Comm & Corp Aff Officer | |
May 15, 2026 | GILD | Sell | 11,177 | $131.19 | $1.5M | −7.7% | Chief Comm & Corp Aff Officer | |
May 15, 2026 | GILD | Sell | 8,374 | $132.23 | $1.1M | −6.2% | Chief Comm & Corp Aff Officer | |
May 15, 2026 | GILD | Sell | 700 | $132.75 | $93K | −0.6% | Chief Comm & Corp Aff Officer | |
Apr 15, 2026 | GILD | Sell | 3,000 | $140.96 | $423K | −2.3% | Chief Comm & Corp Aff Officer | |
Mar 16, 2026 | GILD | Sell | 3,000 | $144.23 | $433K | −2.2% | Chief Comm & Corp Aff Officer | |
Feb 17, 2026 | GILD | Sell | 18,405 | $154.18 | $2.8M | −12.4% | Chief Comm & Corp Aff Officer | |
Feb 17, 2026 | GILD | Sell | 9,395 | $154.91 | $1.5M | −7.2% | Chief Comm & Corp Aff Officer | |
Feb 17, 2026 | GILD | Sell | 200 | $155.62 | $31K | −0.2% | Chief Comm & Corp Aff Officer | |
Jan 15, 2026 | GILD | Sell | 3,000 | $124.31 | $373K | −2.8% | Chief Commercial Officer | |
Dec 15, 2025 | GILD | Sell | 3,000 | $122.00 | $366K | −2.7% | Chief Commercial Officer | |
Nov 17, 2025 | GILD | Sell | 25,524 | $125.83 | $3.2M | −18.9% | Chief Commercial Officer | |
Nov 17, 2025 | GILD | Sell | 2,476 | $126.26 | $313K | −2.3% | Chief Commercial Officer | |
Oct 15, 2025 | GILD | Sell | 3,000 | $118.08 | $354K | −2.7% | Chief Commercial Officer | |
Sep 15, 2025 | GILD | Sell | 3,000 | $113.57 | $341K | −2.6% | Chief Commercial Officer | |
Aug 15, 2025 | GILD | Sell | 11,800 | $118.50 | $1.4M | −9.1% | Chief Commercial Officer | |
Aug 15, 2025 | GILD | Sell | 700 | $118.97 | $83K | −0.6% | Chief Commercial Officer | |
Aug 15, 2025 | GILD | Sell | 2,800 | $118.51 | $332K | −2.4% | Chief Commercial Officer | |
Aug 15, 2025 | GILD | Sell | 200 | $118.97 | $24K | −0.2% | Chief Commercial Officer | |
Jul 15, 2025 | GILD | Sell | 3,000 | $111.03 | $333K | −2.5% | Chief Commercial Officer | |
Jun 16, 2025 | GILD | Sell | 3,000 | $110.17 | $331K | −2.4% | Chief Commercial Officer |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| GILD | GILEAD SCIENCES, INC. | 21 | $16.3M |
Other insiders at GILEAD SCIENCES, INC.
4 other tracked filers at GILD.