Tool Comparison
InsideArbitrage vs SecForm4.Com
- Paid from
- $100/mo
- Free plan
- Yes
- Platforms
- Web
Best if
- You want news, alerts, and calendar.
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- Delayed quotes won't cut it; you need real-time data
- You want money flow.
Start here
InsideArbitrage
Free • From $1200/yr · Web
- You want news, alerts, and calendar.
Pick SecForm4.Com instead if
SecForm4.Com
Free · Web
- Delayed quotes won't cut it; you need real-time data
- You want money flow.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
InsideArbitrage and SecForm4.Com cover a lot of the same ground (6 shared categories, including dividends, insider data, and institutional ownership), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 17 categories to SecForm4.Com's 7, including news, alerts, and calendar. SecForm4.Com counters by being completely free.
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Key differences at a glance
- Real-time data
- SecForm4.Com
- Broader coverage
- InsideArbitrage17 vs 7 categories
- Free plan
- Both
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What SecForm4.Com does best
- Tracking real-time Form 4 insider transactions with Insider Watch and company-level ownership views.
- Monitor SEC Forms 3, 4, 5, 13D/G, and 13F for U.S. insider, activist, and institutional ownership research.
- Insider and ownership views to filter recent transactions, company activity, and disclosure history before validating the original SEC filing.
- The Insider Trading Screener to filter by role, sector, or time window where the public site exposes those views.
- Buy/sell ratio charts to compare filing counts and dollar flows over time where available.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $1200/yr | Free |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 17 | 7 |
Regions | — | North America |
| Data & capabilities | ||
Data quality | — | Latency: Real-time and Timezone: America/New_York |
Capabilities | Universe builder | — |
| Try it | Visit InsideArbitrage | Visit SecForm4.Com |
Standout features
The best features of InsideArbitrage and SecForm4.Com.ShowHide
Standout features
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What SecForm4.Com does best
- Tracking real-time Form 4 insider transactions with Insider Watch and company-level ownership views.
- Monitor SEC Forms 3, 4, 5, 13D/G, and 13F for U.S. insider, activist, and institutional ownership research.
- Insider and ownership views to filter recent transactions, company activity, and disclosure history before validating the original SEC filing.
- The Insider Trading Screener to filter by role, sector, or time window where the public site exposes those views.
- Buy/sell ratio charts to compare filing counts and dollar flows over time where available.
All details
Every attribute we track for InsideArbitrage and SecForm4.Com.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksOptionsBonds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North America |
Coverage details | Identifiers: Ticker and CIK | Countries: USIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-time |
| Plans & trust | ||
Capability signals | Universe builder | Not specified |
Vendor & support | InsideArbitrageSupport: Email | SecForm4.Com, Inc.Country: United StatesSupport: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 3/5Reliability 4/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free“Public Articles and Data” | Free“Free access” |
| Entry paid plan | $1200/yr≈ $100/mo“Premium - Annual” | — |
| Top plan | $150/mo“Premium - Monthly” | — |
| Custom / enterprise | Contact sales“IA Professional” | — |
Questions we keep getting
What's the difference between InsideArbitrage and SecForm4.Com?
InsideArbitrage leans toward news, alerts, and calendar, while SecForm4.Com puts more weight on insider data, institutional ownership, and watchlist. They overlap in 6 categories, so for most people it comes down to workflow preference and price.
How much do InsideArbitrage and SecForm4.Com cost?
Good news: both InsideArbitrage and SecForm4.Com have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose InsideArbitrage or SecForm4.Com?
It depends on what you're after. Pick InsideArbitrage if news and alerts matter to you; go with SecForm4.Com if you'd rather have money flow. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and SecForm4.Com cover?
Both cover stocks. InsideArbitrage also handles ETFs. SecForm4.Com adds options and bonds on top.
Does InsideArbitrage or SecForm4.Com have real-time data?
SecForm4.Com offers real-time data, which matters if you trade actively. InsideArbitrage runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Which has a better stock screener: InsideArbitrage or SecForm4.Com?
Both InsideArbitrage and SecForm4.Com include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with InsideArbitrage or SecForm4.Com?
InsideArbitrage handles portfolio tracking. SecForm4.Com is really a research tool; you'd track your portfolio elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.