NewAmsterdam Pharma (NAMSW) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $9.00, -17.81% vs the prior close of $10.95.
- Volume 1.93K shares, 0.5x its 50-day average (light).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
NAMSW slides 17.8% to $9.00, a 52-week low, 13 down days in a row. Closed at $9.00, -17.81% vs the prior close of $10.95. Day range $8.82–$9.10, opened at $24.41.
NAMSW daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — NAMSW slides 17.8% to $9.00, a 52-week low, 13 down days in a row
- Closed at $9.00, -17.81% vs the prior close of $10.95. Day range $8.82–$9.10, opened at $24.41.
- Volume was 1.93K shares, 1.4x its 50-day average of 1.39K.
- Price is -33.5% vs its 50-day average ($13.54) and -54.2% vs its 200-day average ($19.66).
- 52-week range $8.82–$30.45; today's close sits at 1% of that range, 70.4% below the 52-week high.
- That makes 13 straight losses.
Oct 15, 2026 — NAMSW ends flat (+0.0%) to $10.95, 12 down days in a row
- Closed at $10.95, +0.00% vs the prior close of $10.95. Day range $10.95–$10.95, opened at $10.95.
- Price is -20.0% vs its 50-day average ($13.68) and -44.5% vs its 200-day average ($19.73).
- 52-week range $9.79–$30.45; today's close sits at 6% of that range, 64.0% below the 52-week high.
- That makes 12 straight losses.
Oct 14, 2026 — NAMSW ends flat (+0.0%) to $10.95, 11 down days in a row
- Closed at $10.95, +0.00% vs the prior close of $10.95. Day range $10.95–$10.95, opened at $10.95.
- Price is -20.6% vs its 50-day average ($13.78) and -44.6% vs its 200-day average ($19.78).
- 52-week range $9.79–$30.45; today's close sits at 6% of that range, 64.0% below the 52-week high.
- That makes 11 straight losses.
Oct 13, 2026 — NAMSW dips 0.5% to $10.95, a 52-week low, 10 down days in a row
- Closed at $10.95, -0.45% vs the prior close of $11.00. Day range $9.79–$10.95, opened at $10.70.
- Volume was 1.00K shares, 0.7x its 50-day average of 1.40K.
- Price is -21.0% vs its 50-day average ($13.86) and -44.8% vs its 200-day average ($19.84).
- 52-week range $9.79–$30.45; today's close sits at 6% of that range, 64.0% below the 52-week high.
- That makes 10 straight losses.
Oct 12, 2026 — NAMSW ends flat (+0.0%) to $11.00, 9 down days in a row
- Closed at $11.00, +0.00% vs the prior close of $11.00. Day range $11.00–$11.00, opened at $11.00.
- Price is -21.1% vs its 50-day average ($13.95) and -44.7% vs its 200-day average ($19.90).
- 52-week range $10.41–$30.45; today's close sits at 3% of that range, 63.9% below the 52-week high.
- That makes 9 straight losses.
Oct 9, 2026 — NAMSW ends flat (+0.0%) to $11.00, 8 down days in a row
- Closed at $11.00, +0.00% vs the prior close of $11.00. Day range $11.00–$11.00, opened at $11.00.
- Price is -21.8% vs its 50-day average ($14.06) and -44.9% vs its 200-day average ($19.97).
- 52-week range $10.41–$30.45; today's close sits at 3% of that range, 63.9% below the 52-week high.
- That makes 8 straight losses.
Oct 8, 2026 — NAMSW ends flat (+0.0%) to $11.00, 7 down days in a row
- Closed at $11.00, +0.00% vs the prior close of $11.00. Day range $11.00–$11.00, opened at $11.00.
- Price is -22.4% vs its 50-day average ($14.17) and -45.1% vs its 200-day average ($20.03).
- 52-week range $10.41–$30.45; today's close sits at 3% of that range, 63.9% below the 52-week high.
- That makes 7 straight losses.
Oct 7, 2026 — NAMSW ends flat (+0.0%) to $11.00, 6 down days in a row
- Closed at $11.00, +0.00% vs the prior close of $11.00. Day range $11.00–$11.00, opened at $11.00.
- Price is -23.1% vs its 50-day average ($14.31) and -45.2% vs its 200-day average ($20.09).
- 52-week range $10.41–$30.45; today's close sits at 3% of that range, 63.9% below the 52-week high.
- That makes 6 straight losses.
Oct 6, 2026 — NAMSW slides 8.3% to $11.00, a 52-week low, 5 down days in a row
- Closed at $11.00, -8.33% vs the prior close of $12.00. Day range $10.41–$11.00, opened at $10.74.
- Volume was 1.50K shares, 1.1x its 50-day average of 1.40K.
- Price is -23.7% vs its 50-day average ($14.42) and -45.4% vs its 200-day average ($20.14).
- 52-week range $10.41–$30.45; today's close sits at 3% of that range, 63.9% below the 52-week high.
- That makes 5 straight losses.
Oct 5, 2026 — NAMSW slides 5.1% to $12.00, 4 down days in a row
- Closed at $12.00, -5.14% vs the prior close of $12.65. Day range $12.00–$12.00, opened at $12.00.
- Volume was 200 shares, 0.1x its 50-day average of 1.40K — lighter than usual.
- Price is -17.7% vs its 50-day average ($14.58) and -40.6% vs its 200-day average ($20.20).
- 52-week range $11.37–$30.45; today's close sits at 3% of that range, 60.6% below the 52-week high.
- That makes 4 straight losses.
Oct 2, 2026 — NAMSW ends flat (+0.0%) to $12.65, 3 down days in a row
- Closed at $12.65, +0.00% vs the prior close of $12.65. Day range $12.65–$12.65, opened at $12.65.
- Price is -14.1% vs its 50-day average ($14.73) and -37.6% vs its 200-day average ($20.26).
- 52-week range $11.37–$30.45; today's close sits at 7% of that range, 58.5% below the 52-week high.
- That makes 3 straight losses.
NAMSW latest news & SEC filings
Every SEC filing by or about NAMSW in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Kastelein Johannes Jacob Pieter converted options/RSUs into 50,246 shares on Sep 30, 2026; now holds 119,548
- Kastelein Johannes Jacob Pieter sold 50,246 shares at $25.03 (≈$1.26M) on Sep 30, 2026; now holds 69,302
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 29, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Sep 22, 2026 · Form SCHEDULE 13D/A — Update to a 13D 5%+ stake disclosure
Update to a 13D 5%+ stake disclosure
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Sep 21, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Sep 15, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Davidson Michael H. bought 10,000 shares at $22.65 (≈$226.50K) on Sep 14, 2026
- Davidson Michael H. bought 10,000 shares at $22.65 (≈$226.50K) on Sep 14, 2026
- Davidson Michael H. bought 10,000 shares at $22.65 (≈$226.50K) on Sep 14, 2026
- Davidson Michael H. bought 10,000 shares at $22.65 (≈$226.50K) on Sep 14, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 9, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Smither John W sold 1,600 shares at $25.32 (≈$40.51K) on Sep 4, 2026
- Smither John W sold 1,600 shares at $25.32 (≈$40.51K) on Sep 4, 2026
- Smither John W sold 1,600 shares at $25.32 (≈$40.51K) on Sep 4, 2026
- Smither John W sold 1,600 shares at $25.32 (≈$40.51K) on Sep 4, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Sep 3, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Aug 25, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Kastelein Johannes Jacob Pieter sold 125,000 shares at $26.91 (≈$3.36M) on Aug 24, 2026
- Kastelein Johannes Jacob Pieter sold 125,000 shares at $26.91 (≈$3.36M) on Aug 24, 2026
- Kastelein Johannes Jacob Pieter sold 125,000 shares at $26.91 (≈$3.36M) on Aug 24, 2026
- Kastelein Johannes Jacob Pieter sold 125,000 shares at $26.91 (≈$3.36M) on Aug 24, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 24, 2026 · Form 144 — Planned insider sale
Notice of proposed sale (Form 144) — an insider or affiliate plans to sell restricted or control shares
A notice of intent, not a completed sale. Any actual sale by a director or officer shows up later on Form 4.
Aug 14, 2026 · Form 8-K/A — Current report (amended)
Amended current report
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Aug 14, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Aug 6, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 5, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Aug 5, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $3.70M (prior year $19.14M) (-80.7% vs Jun 30, 2025)
- Net income: -$64.14M (prior year -$17.36M) (loss widened vs Jun 30, 2025)
- Diluted EPS: -$0.52 (prior year -$0.15) (loss widened vs Jun 30, 2025)
Things to know before you trade NAMSW
- Last results release: Aug 5, 2026 (8-K Item 2.02). Previous ones: May 7, 2026, Feb 18, 2026, Jan 9, 2026. Based on that rhythm, the next report is likely around Nov 4, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 2.17% (largest 17.8%).
- Liquidity: about 307 shares (≈$2.76K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $9.00 vs a range of $8.82–$30.45 (1% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 4 open-market buys, 21 sales; latest: Michael H. Davidson bought 10,000 shares on Sep 14, 2026.
- Latest filings: 8-K Sep 29, 2026; 8-K Sep 21, 2026; 8-K Aug 14, 2026.
- Share count: 119.54M shares outstanding (Aug 3, 2026), +6.1% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Pharmaceutical Preparations.
NAMSW market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 24.41 | 9.10 | 8.82 | 9.00 | 1.93K |
| Oct 15, 2026 | 10.95 | 10.95 | 10.95 | 10.95 | 0 |
| Oct 14, 2026 | 10.95 | 10.95 | 10.95 | 10.95 | 0 |
| Oct 13, 2026 | 10.70 | 10.95 | 9.79 | 10.95 | 1.00K |
| Oct 12, 2026 | 11.00 | 11.00 | 11.00 | 11.00 | 0 |
| Oct 9, 2026 | 11.00 | 11.00 | 11.00 | 11.00 | 0 |
| Oct 8, 2026 | 11.00 | 11.00 | 11.00 | 11.00 | 0 |
| Oct 7, 2026 | 11.00 | 11.00 | 11.00 | 11.00 | 0 |
| Oct 6, 2026 | 10.74 | 11.00 | 10.41 | 11.00 | 1.50K |
| Oct 5, 2026 | 12.00 | 12.00 | 12.00 | 12.00 | 200 |
| Oct 2, 2026 | 12.65 | 12.65 | 12.65 | 12.65 | 0 |
| Oct 1, 2026 | 12.65 | 12.65 | 12.65 | 12.65 | 0 |
| Sep 30, 2026 | 12.65 | 12.65 | 12.65 | 12.65 | 0 |
| Sep 29, 2026 | 12.65 | 12.65 | 12.65 | 12.65 | 200 |
| Sep 28, 2026 | 11.40 | 11.40 | 11.40 | 11.40 | 0 |
| Sep 25, 2026 | 11.40 | 11.40 | 11.40 | 11.40 | 0 |
| Sep 24, 2026 | 11.40 | 11.40 | 11.40 | 11.40 | 1.00K |
| Sep 23, 2026 | 11.49 | 11.49 | 11.49 | 11.49 | 0 |
| Sep 22, 2026 | 11.49 | 11.49 | 11.49 | 11.49 | 300 |
| Sep 21, 2026 | 11.49 | 11.49 | 11.49 | 11.49 | 0 |
About NewAmsterdam Pharma
NewAmsterdam Pharma (NAMSW) is listed on the Nasdaq and classified by the SEC under “Pharmaceutical Preparations”. Its business address is in NARRDEN, Netherlands. State of incorporation: Netherlands. Fiscal year ends December 31. SEC CIK 1936258.
NAMSW board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Michael H. Davidson | Chief Executive Officer | Sep 15, 2026 |
| Adele M. Gulfo | Director | Jan 9, 2026 |
| Johannes Jacob Pieter Kastelein | Chief Scientific Officer | Aug 25, 2026 |
| Louis G Lange | Director | Mar 12, 2026 |
| William Lewis | Director | Jan 9, 2026 |
| Mark C. Mckenna | Director | Jan 9, 2026 |
| John W Smither | Director | Sep 9, 2026 |
| Der Kamp Hilde Johanna Van | Director | Jan 9, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Michael H. Davidson | Chief Executive Officer | Sep 15, 2026 |
| Robert William Gunning | Vice President, Controller | Sep 3, 2026 |
| Johannes Jacob Pieter Kastelein | Chief Scientific Officer | Aug 25, 2026 |
| Louise Frederika Kooij | Chief Accounting Officer | Jul 22, 2026 |
| Mayur Ian Somaiya | Chief Financial Officer | Jan 22, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 14, 2026 | Michael H. Davidson | Buy | 10,000 | $22.65 |
| Sep 14, 2026 | Michael H. Davidson | Buy | 10,000 | $22.65 |
| Sep 14, 2026 | Michael H. Davidson | Buy | 10,000 | $22.65 |
| Sep 14, 2026 | Michael H. Davidson | Buy | 10,000 | $22.65 |
| Sep 4, 2026 | John W Smither | Sale | 1,600 | $25.32 |
| Sep 4, 2026 | John W Smither | Sale | 1,600 | $25.32 |
| Sep 4, 2026 | John W Smither | Sale | 1,600 | $25.32 |
| Sep 4, 2026 | John W Smither | Sale | 1,600 | $25.32 |
| Aug 24, 2026 | Johannes Jacob Pieter Kastelein | Sale | 125,000 | $26.91 |
| Aug 24, 2026 | Johannes Jacob Pieter Kastelein | Sale | 125,000 | $26.91 |
| Aug 24, 2026 | Johannes Jacob Pieter Kastelein | Sale | 125,000 | $26.91 |
| Aug 24, 2026 | Johannes Jacob Pieter Kastelein | Sale | 125,000 | $26.91 |
| Jul 20, 2026 | Louise Frederika Kooij | Sale | 2,915 | $31.71 |
| Jul 20, 2026 | Louise Frederika Kooij | Sale | 31,885 | $31.05 |
| Jul 20, 2026 | Louise Frederika Kooij | Sale | 70,200 | $29.96 |
NAMSW financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $22.50M | $-203.82M | -1.72 | $-147.78M |
| Dec 31, 2024 | $45.56M | $-241.60M | -2.56 | $-158.56M |
| Dec 31, 2023 | $14.09M | $-176.94M | -2.15 | $-141.22M |
| Dec 31, 2022 | $102.69M | $-22.63M | -1.19 | $10.66M |
| Dec 31, 2021 | — | $-41.78M | -3.81 | $-29.51M |
Latest balance sheet: total assets $704.45M, total liabilities $73.03M, cash $424.15M (as of Jun 30, 2026).
NAMSW earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 5, 2026 | 8-K Item 2.02 (results) | $16.00 |
| May 7, 2026 | 8-K Item 2.02 (results) | $22.80 |
| Feb 18, 2026 | 8-K Item 2.02 (results) | $25.97 |
| Jan 9, 2026 | 8-K Item 2.02 (results) | $23.95 |
| Nov 5, 2025 | 8-K Item 2.02 (results) | $26.99 |
| Aug 6, 2025 | 8-K Item 2.02 (results) | $12.00 |
| May 8, 2025 | 8-K Item 2.02 (results) | $9.61 |
| Feb 26, 2025 | 8-K Item 2.02 (results) | $8.88 |
| Nov 6, 2024 | 8-K Item 2.02 (results) | $12.50 |
| Aug 7, 2024 | 8-K Item 2.02 (results) | — |
| May 9, 2024 | 8-K Item 2.02 (results) | — |
| Feb 28, 2024 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.