Retension Pharmaceuticals (RTSN) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $14.07, +15.23% vs the prior close of $12.21.
- Volume 208.89K shares, 0.8x its 50-day average.
- New SEC filings: 3 (Oct 16, 2026), SCHEDULE 13G (Oct 16, 2026), SCHEDULE 13G (Oct 16, 2026), SCHEDULE 13G (Oct 15, 2026).
- No new insider buys or sales reported since the prior session.
RTSN jumps 15.2% to $14.07, 5 up days in a row. Closed at $14.07, +15.23% vs the prior close of $12.21. Day range $12.17β$14.97, opened at $12.21.
RTSN daily analysis β what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 β RTSN jumps 15.2% to $14.07, 5 up days in a row
- Closed at $14.07, +15.23% vs the prior close of $12.21. Day range $12.17β$14.97, opened at $12.21.
- Volume was 208.89K shares, 0.8x its 50-day average of 261.78K.
- 52-week range $9.66β$14.97; today's close sits at 83% of that range, 6.0% below the 52-week high.
- That makes 5 straight gains.
Oct 15, 2026 β RTSN jumps 4.9% to $12.21, 4 up days in a row
- Closed at $12.21, +4.90% vs the prior close of $11.64. Day range $11.56β$12.86, opened at $11.56.
- Volume was 131.00K shares, 0.4x its 50-day average of 294.48K β lighter than usual.
- 52-week range $9.66β$12.86; today's close sits at 80% of that range, 5.1% below the 52-week high.
- That makes 4 straight gains.
Oct 14, 2026 β RTSN ends flat (+0.1%) to $11.64, 3 up days in a row
- Closed at $11.64, +0.09% vs the prior close of $11.63. Day range $11.00β$12.25, opened at $11.63.
- Volume was 77.20K shares, 0.2x its 50-day average of 366.90K β lighter than usual.
- 52-week range $9.66β$12.50; today's close sits at 70% of that range, 6.9% below the 52-week high.
- That makes 3 straight gains.
Oct 13, 2026 β RTSN rises 2.7% to $11.63
- Closed at $11.63, +2.74% vs the prior close of $11.32. Day range $11.41β$12.50, opened at $11.83.
- Volume was 137.60K shares, 0.3x its 50-day average of 481.55K β lighter than usual.
- 52-week range $9.66β$12.50; today's close sits at 69% of that range, 7.0% below the 52-week high.
- SEC filings that day: 8-K.
Oct 12, 2026 β RTSN jumps 7.5% to $11.32
- Closed at $11.32, +7.50% vs the prior close of $10.53. Day range $10.16β$11.79, opened at $10.88.
- Volume was 173.90K shares, 0.2x its 50-day average of 789.20K β lighter than usual.
- 52-week range $9.66β$11.79; today's close sits at 78% of that range, 4.0% below the 52-week high.
RTSN latest news & SEC filings
Every SEC filing by or about RTSN in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 16, 2026 Β· Form 3 β New insider holdings
Initial insider ownership statement (Form 3) β a new director, officer or 10% owner disclosed their holdings
Oct 16, 2026 Β· Form SCHEDULE 13G β Passive stake (13G)
Passive stake (13G) β an investor reported owning more than 5%
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.
Oct 16, 2026 Β· Form SCHEDULE 13G β Passive stake (13G)
Passive stake (13G) β an investor reported owning more than 5%
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.
Oct 15, 2026 Β· Form SCHEDULE 13G β Passive stake (13G)
Passive stake (13G) β an investor reported owning more than 5%
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.
Oct 14, 2026 Β· Form SCHEDULE 13D β Activist-style stake (13D)
Activist-style stake (13D) β an investor reported owning more than 5%
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.
Oct 13, 2026 Β· Form S-8 β Employee share plan registration
Registration of shares for employee stock plans (S-8)
Oct 13, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β a director, officer or 10%+ owner changed their holdings
- Keller Eric L. bought 20,800 shares at $12.00 (β$249.60K) on Oct 13, 2026; now holds 423,377
- Keller Eric L. converted 9,662 shares on Oct 13, 2026; now holds 433,039
- Keller Eric L. converted 31,368 shares on Oct 13, 2026; now holds 464,407
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.
Oct 13, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β a director, officer or 10%+ owner changed their holdings
- Sweetnam Paul converted 4,026 shares on Oct 13, 2026; now holds 406,603
- Sweetnam Paul converted 2,640 shares on Oct 13, 2026; now holds 2,640
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.
Oct 13, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β a director, officer or 10%+ owner changed their holdings
- Olds Donald converted 5,637 shares on Oct 13, 2026; now holds 5,637
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.
Oct 13, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β 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).
Oct 13, 2026 Β· Form 4 β Insider trade
Insider trade report (Form 4) β a director, officer or 10%+ owner changed their holdings
- Bisson Sabine converted 1,611 shares on Oct 13, 2026; now holds 1,611
- Bisson Sabine converted 2,504 shares on Oct 13, 2026; now holds 4,115
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.
Oct 13, 2026 Β· Form 8-K β Major event / current report
Current report β a filing companies must make within 4 business days of a major event
- Item 5.03 β Amended its charter or bylaws / changed fiscal year.
Oct 9, 2026 Β· Form 424B4 β Final prospectus with offering price
Final prospectus with offering price
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Oct 8, 2026 Β· Form EFFECT β EFFECT filing
EFFECT filing
Oct 8, 2026 Β· Form S-1MEF β S-1MEF filing
S-1MEF filing
Things to know before you trade RTSN
- How much it moves: over the last 20 sessions the average daily move was 6.09% (largest 15.2%). That is a volatile stock.
- Liquidity: about 252.97K shares (β$3.56M) trade per day on average.
- 52-week position: $14.07 vs a range of $9.66β$14.97 (83% 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): 0 open-market buys, 0 sales.
- Latest filings: 8-K Oct 13, 2026.
- Listing: Nasdaq Β· industry: Pharmaceutical Preparations.
RTSN market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 12.21 | 14.97 | 12.17 | 14.07 | 208.89K |
| Oct 15, 2026 | 11.56 | 12.86 | 11.56 | 12.21 | 131.00K |
| Oct 14, 2026 | 11.63 | 12.25 | 11.00 | 11.64 | 77.20K |
| Oct 13, 2026 | 11.83 | 12.50 | 11.41 | 11.63 | 137.60K |
| Oct 12, 2026 | 10.88 | 11.79 | 10.16 | 11.32 | 173.90K |
| Oct 9, 2026 | 10.00 | 11.60 | 9.66 | 10.53 | 789.20K |
About Retension Pharmaceuticals
Retension Pharmaceuticals (RTSN) is listed on the Nasdaq and classified by the SEC under βPharmaceutical Preparationsβ. Its business address is in MCLEAN, VA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 2002988.
RTSN 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 |
|---|---|---|
| No Form 3/4/5 filings by this group in the last 12 months. | ||
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| No Form 3/4/5 filings by this group in the last 12 months. | ||
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| No open-market insider buys or sales reported in the last 12 months. | ||||
RTSN financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| No annual XBRL figures available (foreign filers often report on Form 20-F). | ||||
Latest balance sheet: total assets $β, total liabilities $β, cash $β.
RTSN earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| No 8-K earnings releases in recent filings. | ||
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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.