Nadia Catherine Carlsten - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Nadia Catherine Carlsten has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $495K.
Profile
Nadia Catherine Carlsten holds the role of Chief Executive Officer at Smartbird, Inc. (BIRD). Carlsten has reported 2 insider filings with the SEC since 2026. The most recent filing was in June 2026.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- Smartbird, Inc.
Reported roles
- Chief Executive Officer
Awards & honors
- Appointed Chief Executive Officer of Smartbird, Inc. (per SEC filing dated 2026-06-23).
Trading Pattern
InsiderAlpha's records for Nadia Catherine Carlsten go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Nadia Catherine Carlsten has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Chief Executive Officer, Director at Smartbird, Inc. (BIRD) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-26 | BIRD | Smartbird, Inc. | S - Open-market sale | 117.5K | $4.21 | $495K |
| 2026-06-23 | BIRD | Smartbird, Inc. | A - Grant or award | 1.53M | $0.00 |
Companies - Last 90 Days
- Smartbird, Inc. (BIRD) - 2 filings, last 2026-06-26
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Nadia Catherine Carlsten has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Joseph Vernachio - $72K of BIRD open-market activity in the last 12 months
- Ann Mitchell - $27K of BIRD open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Joseph R. Nerges
- Neuberger Berman Group LLC
- New Mountain Guardian IV Income Rated Feeder II, Ltd.
- New Mountain Guardian IV Rated Feeder I, LTD
- New Mountain Guardian IV Rated Feeder III, Ltd.
- Nexus Capital Management LP
- NEXUS SPECIAL SITUATIONS III, L.P.
- Novo Holdings A/S
Frequently Asked Questions
Who is Nadia Catherine Carlsten?
Nadia Catherine Carlsten holds the role of Chief Executive Officer at Smartbird, Inc. (BIRD). Carlsten has reported 2 insider filings with the SEC since 2026. The most recent filing was in June 2026.…
How many SEC Form 4 filings has Nadia Catherine Carlsten submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Nadia Catherine Carlsten been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($495K) across all tracked filings.
Where can I see all of Nadia Catherine Carlsten's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Nadia Catherine Carlsten profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.