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Merus N.V.

MRUSDelisted Dec 30, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001651311

Merus N.V. was delisted on Dec 30, 2025; its insiders filed their last Form 4 on Dec 30, 2025; 268 institutions reported holding it in 13F filings for Q3 2025, worth $6.70B in total; Soros Fund Management was the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Merus N.V. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Merus N.V., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Merus N.V.
NameTitleLast reported holdingLast filingFilings, past year
Genmab A/S10% Owner0IndirectDec 30, 20254
Perry Gregory DChief Financial Officer & PFO–Dec 12, 20251
Gowen MaxineDirector–Dec 12, 20251
Iwicki Mark TDirector0Dec 12, 20251
Pucci PaoloDirector–Dec 12, 20251
Mehra AnandDirector–Dec 12, 20251
Sandor VictorDirector–Dec 12, 20251
Haddock JasonDirector–Dec 12, 20251
Lundberg Sven AntePresident, CEO & PEO0IndirectDec 12, 20252
Kanavy LenDirector–Dec 12, 20251
Silverman Peter B.COO & GC0Dec 12, 20251
Shuman HarryVP Controller, PAO0Dec 12, 20253
Zohren FabianChief Medical Officer–Dec 12, 20251
Liu HuiEVP, CBO & Head of Merus US156,016May 9, 20240
Joe AndrewSVP, CMO–May 9, 20240
Bakker LexSVP, Chief Development Officer15,668Feb 2, 20220
de Kruif JohnSVP & Chief Technology Officer15,282Feb 2, 20220
Geuijen Cecile A WSVP & Chief Scientific Officer–Feb 2, 20220
Biotechnology Value Fund L POther: See Explanation of Responses232,747Oct 8, 20210
BVF Partners L P10% Owner232,747Oct 8, 20210
BVF Inc10% Owner232,747Oct 8, 20210
Biotechnology Value Fund II LPOther: See Explanation of Responses232,747Oct 8, 20210
Lampert Mark N10% Owner232,747Oct 8, 20210
Biotechnology Value Trading Fund OS LPOther: See Explanation of Responses232,747Oct 8, 20210
BVF Partners OS Ltd.Other: See Explanation of Responses232,747Oct 8, 20210
BVF I GP LLCOther: See Explanation of Responses232,747Oct 8, 20210
BVF II GP LLCOther: See Explanation of Responses232,747Oct 8, 20210
BVF GP Holdings LLCOther: See Explanation of Responses232,747Oct 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 30, 2025 (view filing)Dec 26-294 daysGenmab A/S10% OwnerPPurchaseCommon Shares, nominal value EUR 0.09 per share+1.06M$97.00+$102.4M+1.4%73.9M after2 lots
Dec 30, 2025 (view filing)Dec 291 dayGenmab A/S10% OwnerPPurchaseCommon Shares, nominal value EUR 0.09 per share−75.9M$97.00−$7.36B−100.0%0 after
Dec 29, 2025 (view filing)Dec 22-267 daysGenmab A/S10% OwnerPPurchaseCommon Shares, nominal value EUR 0.09 per share+815.4K$97.00+$79.1M+1.1%72.8M after4 lots
Dec 22, 2025 (view filing)Dec 18-194 daysGenmab A/S10% OwnerPPurchaseCommon Shares, nominal value EUR 0.09 per share+278.4K$97.00+$27.0M+0.4%72.0M after2 lots
Dec 18, 2025 (view filing)Dec 16-172 daysGenmab A/S10% OwnerPPurchaseCommon Shares, nominal value EUR 0.09 per share+271.5K$97.00+$26.3M+0.4%71.7M after2 lots
Dec 10, 2025 (view filing)Nov 2614 daysLateShuman HarryVP Controller, PAOSSale−1.70K$96.10−$163.4K−13.4%11.0K after
Nov 28, 2025 (view filing)Nov 253 daysShuman HarryVP Controller, PAOSSale−8.30K$95.92−$796.1K−43.0%11.0K after
Jul 18, 2025 (view filing)Jul 171 daySilverman Peter B.COO & GCSSale−25.0K$60.00−$1.50M−100.0%0 after10b5-1
Jul 11, 2025 (view filing)Jul 9-102 daysSilverman Peter B.COO & GCSSale−23.5K$55.00−$1.29M−100.0%0 after2 lots10b5-1
Jun 24, 2025 (view filing)Jun 204 daysSilverman Peter B.COO & GCSSale−34.0K$52.76−$1.79M−100.0%0 after10b5-1
Mar 25, 2025 (view filing)Mar 214 daysShuman HarryVP Controller, PAOSSale−4.00K$48.50−$194.0K−26.7%11.0K after2 lots
Aug 22, 2024 (view filing)Aug 20-212 daysShuman HarryVP Controller, PAOSSale−5.00K$54.00−$270.0K−41.7%7.00K after2 lots
Jun 28, 2024 (view filing)Jun 271 daySilverman Peter B.COO & GCSSale−10.0K$60.00−$600.0K−100.0%0 after10b5-1
Jun 20, 2024 (view filing)Jun 173 daysSilverman Peter B.COO & GCSSale−62.0K$56.52−$3.50M−100.0%0 after10b5-1
Jun 12, 2024 (view filing)Jun 10-122 daysShuman HarryVP Controller, PAOSSale−8.30K$57.28−$475.5K−54.2%7.00K after2 lots
Jun 6, 2024 (view filing)Jun 42 daysShuman HarryVP Controller, PAOSSale−6.00K$52.90−$317.4K−46.1%7.00K after2 lots
Dec 20, 2023 (view filing)Dec 191 dayShuman HarryVP Controller, PAOSSale−115$26.68−$3.07K−1.6%7.00K after
Dec 18, 2023 (view filing)Dec 153 daysSilverman Peter B.COO & GCSSale−22.4K$25.00−$559.6K−100.0%0 after
Dec 12, 2023 (view filing)Dec 84 daysShuman HarryVP Controller, PAOSSale−250$24.44−$6.11K−3.4%7.12K after
Dec 4, 2023 (view filing)Dec 13 daysShuman HarryVP Controller, PAOSSale−575$24.58−$14.1K−7.2%7.37K after
Jun 1, 2023 (view filing)Jun 1Same dayShuman HarryVP Controller, PAOSSale−575$21.48−$12.4K−9.6%5.44K after
Dec 14, 2022 (view filing)Dec 131 dayShuman HarryVP Controller, PAOSSale−168$13.85−$2.33K−4.6%3.52K after
Dec 1, 2022 (view filing)Dec 1Same dayShuman HarryVP Controller, PAOSSale−575$15.35−$8.83K−13.5%3.69K after
Nov 3, 2022 (view filing)Nov 3Same dayLundberg Sven AntePresident, CEO & PFOPPurchase+14.7K$14.38+$211.5K+56.8%40.6K after
Aug 29, 2022 (view filing)Aug 254 daysShuman HarryVP Controller, PAOSSale−165$24.33−$4.01K−8.6%1.76K after
Aug 23, 2022 (view filing)Aug 221 dayLundberg Sven AntePresident, CEO & PFOPPurchase+5.83K$22.92+$133.5K+29.1%25.9K afterFrom original
Aug 22, 2022 (view filing)Aug 193 daysLundberg Sven AntePresident, CEO & PFOPPurchase+704$22.99+$16.2K+3.6%20.0K after
Jul 13, 2022 (view filing)Jul 121 dayLundberg Sven AntePresident, CEO & PFOPPurchase+4.34K$22.97+$99.7K+28.9%19.3K after
Jun 3, 2022 (view filing)Jun 12 daysShuman HarryVP Controller, PAOSSale−575$18.31−$10.5K−23.0%1.93K after
Mar 11, 2022 (view filing)Mar 101 daySilverman Peter B.EVP, GC and Head of UtrechtSSale−60.0K$26.95−$1.62M−100.0%0 after
Oct 8, 2021 (view filing)9:24 PM ETOct 7-81 dayBiotechnology Value Fund L P and 9 othersOther: See Explanation of ResponsesSSaleCommon Shares, (euro)0.09 nominal value per share−1.13M$27.56−$31.2M−83.0%232.7K after6 lots
Aug 16, 2021 (view filing)Aug 124 daysde Kruif JohnSVP & Chief Technology OfficerSSale−2.79K$19.34−$53.9K−15.4%15.3K after
Jul 7, 2021 (view filing)4:49 PM ETJul 25 daysBiotechnology Value Fund L P and 9 othersOther: See Explanation of ResponsesSSaleCommon Shares, (euro)0.09 nominal value per share−2.19M$20.75−$45.4M−87.5%311.2K after3 lots
Jul 6, 2021 (view filing)Jul 15 daysBakker LexSVP, Chief Development OfficerSSale−3.86K$21.05−$81.3K−30.8%8.67K after3 lots