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REGN · REGENERON PHARMACEUTICALS, INC.

Everything on this page is public record — SEC Form 4 filings and congressional disclosures — alongside any INSIDER SCANNER research case for this company.

Open-market buys0
Open-market sells27
Research cases0
Last filing2026-10-14

Insider flow: Selling only — a count of disclosed transactions, not a rating or a recommendation.

Insider transaction timeline

Every reported transaction, positioned by trade date. Purchases sit above the axis, sales below; circle area is proportional to dollar value. No share-price line is drawn — this feed carries transaction prices only, and a price history inferred from them would imply market data the filings do not contain.

Open-market purchase Open-market sale
2026-10-14 — MURPHY ANDREW J · sold 6 @ $753.76 2026-10-14 — MURPHY ANDREW J · sold 35 @ $755.91 2026-10-14 — MURPHY ANDREW J · sold 16 @ $757.68 2026-10-14 — MURPHY ANDREW J · sold 24 @ $758.16 2026-10-14 — MURPHY ANDREW J · sold 14 @ $759.96 2026-10-14 — MURPHY ANDREW J · sold 74 @ $760.65 2026-10-14 — MURPHY ANDREW J · sold 27 @ $761.36 2026-10-14 — MURPHY ANDREW J · sold 55 @ $762.57 2026-10-14 — MURPHY ANDREW J · sold 25 @ $763.76 2026-10-14 — MURPHY ANDREW J · sold 219 @ $764.40 2026-10-14 — MURPHY ANDREW J · sold 271 @ $765.39 2026-10-14 — MURPHY ANDREW J · sold 279 @ $766.47 2026-10-14 — MURPHY ANDREW J · sold 192 @ $767.39 2026-10-14 — MURPHY ANDREW J · sold 105 @ $768.33 2026-10-14 — MURPHY ANDREW J · sold 127 @ $769.30 2026-10-14 — MURPHY ANDREW J · sold 12 @ $770.20 2026-10-14 — MURPHY ANDREW J · sold 283 @ $771.56 2026-10-14 — MURPHY ANDREW J · sold 211 @ $772.56 2026-10-14 — MURPHY ANDREW J · sold 224 @ $773.40 2026-10-14 — MURPHY ANDREW J · sold 121 @ $774.48 2026-10-14 — MURPHY ANDREW J · sold 376 @ $775.46 2026-10-14 — MURPHY ANDREW J · sold 66 @ $776.31 2026-10-14 — MURPHY ANDREW J · sold 38 @ $777.76 2026-10-14 — MURPHY ANDREW J · sold 454 @ $778.64 2026-10-14 — MURPHY ANDREW J · sold 380 @ $779.59 2026-10-14 — MURPHY ANDREW J · sold 463 @ $780.63 2026-10-14 — MURPHY ANDREW J · sold 50 @ $781.47
2026-10-142026-10-14

Insider participation

One row per insider, one cell per reported transaction, shaded by value. Repeat buying and activity clustered in time are visible at a glance.

MURPHY ANDREW J Co-Chief Scientific Officer
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The analysis built on top of these filings

The filings above are public record and stay public here. What an account adds for $REGN is the reading of them — and for this company, that is what the list below says it is, no more.

  • Transaction timelineThe [{'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 6.0, 'price': 753.76, 'value': 4522.56, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 35.0, 'price': 755.91, 'value': 26456.85, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 16.0, 'price': 757.68, 'value': 12122.88, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 24.0, 'price': 758.16, 'value': 18195.84, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 14.0, 'price': 759.96, 'value': 10639.44, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 74.0, 'price': 760.65, 'value': 56288.1, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 27.0, 'price': 761.36, 'value': 20556.72, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 55.0, 'price': 762.57, 'value': 41941.35, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 25.0, 'price': 763.76, 'value': 19094.0, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 219.0, 'price': 764.4, 'value': 167403.6, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 271.0, 'price': 765.39, 'value': 207420.69, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 279.0, 'price': 766.47, 'value': 213845.13, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 192.0, 'price': 767.39, 'value': 147338.88, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 105.0, 'price': 768.33, 'value': 80674.65, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 127.0, 'price': 769.3, 'value': 97701.1, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 12.0, 'price': 770.2, 'value': 9242.4, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 283.0, 'price': 771.56, 'value': 218351.48, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 211.0, 'price': 772.56, 'value': 163010.16, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 224.0, 'price': 773.4, 'value': 173241.6, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 121.0, 'price': 774.48, 'value': 93712.08, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 376.0, 'price': 775.46, 'value': 291572.96, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 66.0, 'price': 776.31, 'value': 51236.46, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 38.0, 'price': 777.76, 'value': 29554.88, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 454.0, 'price': 778.64, 'value': 353502.56, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 380.0, 'price': 779.59, 'value': 296244.2, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 463.0, 'price': 780.63, 'value': 361431.69, 'is_buy': False}, {'transaction_date': '2026-10-14', 'insider_name': 'MURPHY ANDREW J', 'insider_title': 'Co-Chief Scientific Officer', 'transaction_type': 'Open-market sell', 'shares': 50.0, 'price': 781.47, 'value': 39073.5, 'is_buy': False}] reported transactions plotted over the window rather than listed, so concentration is visible.

Not available for REGN today: no reported open-market purchases in this window, so there is no insider cost basis to compute; no research case — nothing here has cleared the scoring threshold. Both appear on this page on their own if that changes.

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Not financial advice. This page reports public filings and past research output. It is not a recommendation to buy or sell, and no price target here is a prediction. Trade at your own risk.