Buller Richard E Insider Trading Activity
Buller Richard E has been net-selling over the last 12 months with 0 purchases and 12 sales across 1 company.
CELC is the most-traded position with 12 trades. The largest single transaction was a sale of CELC for $401K on May 4, 2026.
Performance Scorecard
Forward stock performance after each transaction by Buller Richard E. 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 | — | +16.4% | 67% | 12 |
| 90 days | — | -3.9% | 33% | 6 |
| 120 days | — | -10.5% | 0% | 4 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersCELC · Celcuity Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
May 4, 2026 | CELC | Sell | 1,289 | $137.00 | $177K | −8.2% | Director | |
May 4, 2026 | CELC | Sell | 550 | $139.00 | $76K | −3.8% | Director | |
May 4, 2026 | CELC | Sell | 1,670 | $139.58 | $233K | −12.0% | Director | |
May 4, 2026 | CELC | Sell | 2,301 | $141.03 | $325K | −18.8% | Director | |
May 4, 2026 | CELC | Sell | 2,825 | $142.04 | $401K | −28.4% | Director | |
May 4, 2026 | CELC | Sell | 365 | $143.24 | $52K | −5.1% | Director | |
Mar 31, 2026 | CELC | Sell | 2,325 | $110.11 | $256K | −23.8% | Director | |
Mar 31, 2026 | CELC | Sell | 675 | $110.83 | $75K | −9.1% | Director | |
Dec 5, 2025 | CELC | Sell | 1,490 | $105.34 | $157K | −15.3% | Director | |
Dec 5, 2025 | CELC | Sell | 1,510 | $106.04 | $160K | −18.3% | Director | |
Dec 1, 2025 | CELC | Sell | 1,100 | $98.13 | $108K | −13.2% | Director | |
Nov 20, 2025 | CELC | Sell | 3,900 | $96.73 | $377K | −34.9% | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| CELC | Celcuity Inc. | 12 | $2.4M |
Other insiders at Celcuity Inc.
2 other tracked filers at CELC.