Kaitlin M. Kestenberg-Messina - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Kaitlin M. Kestenberg-Messina has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $158K.
Profile
Kaitlin M. Kestenberg-Messina is a corporate insider at ADMA BIOLOGICS, INC. (ADMA). Kestenberg-Messina has reported 7 insider filings with the SEC since 2024. The most recent filing was in April 2026.
| Role | COO and SVP, Compliance |
|---|---|
| Notability | 20/100 |
Board memberships
- ADMA BIOLOGICS, INC.
Awards & honors
- Leadership in biopharmaceutical operations
- Compliance oversight in a regulated industry
Trading Pattern
InsiderAlpha's records for Kaitlin M. Kestenberg-Messina go back to 2024: 8 primary Form 4 filings, an average of 2.7 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 Kaitlin M. Kestenberg-Messina 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.
- COO and SVP, Compliance at ADMA BIOLOGICS, INC. (ADMA) - 8 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-29 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 3.2K | $8.37 | $27K |
| 2026-04-04 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 20.4K | $9.11 | $185K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | S - Open-market sale | 10.1K | $15.63 | $158K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 2.2K | $1.55 | $3K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 1.5K | $2.35 | $4K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 2.6K | $2.83 | $7K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 1.2K | $4.31 | $5K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 2.5K | $5.00 | $12K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | J - Other acquisition / disposition | 91.3K | $0.00 | |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 4.2K | $15.39 | $65K |
| 2026-03-11 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 10.1K | $15.39 | $155K |
| 2026-02-24 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 8.2K | $16.32 | $133K |
| 2026-02-12 | ADMA | ADMA BIOLOGICS, INC. | A - Grant or award | 91.6K | $0.00 | |
| 2025-07-30 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 1.2K | $18.59 | $22K |
| 2025-07-30 | ADMA | ADMA BIOLOGICS, INC. | M - Option exercise | 2.5K | $8.98 | $22K |
| 2025-07-24 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 3.0K | $17.31 | $52K |
| 2024-10-02 | ADMA | ADMA BIOLOGICS, INC. | F - Tax withholding / forfeiture | 2.6K | $19.99 | $53K |
Companies - Last 90 Days
- ADMA BIOLOGICS, INC. (ADMA) - 1 filing, last 2026-07-29
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Kaitlin M. Kestenberg-Messina 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.
- Adam S. Grossman - $2.44M of ADMA open-market activity in the last 12 months
- Jerrold B. Grossman - $251K of ADMA open-market activity in the last 12 months
- Steve Elms - $217K of ADMA open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
- Steven B. Klinsky
Frequently Asked Questions
Who is Kaitlin M. Kestenberg-Messina?
Kaitlin M. Kestenberg-Messina is a corporate insider at ADMA BIOLOGICS, INC. (ADMA). Kestenberg-Messina has reported 7 insider filings with the SEC since 2024. The most recent filing was in April 2026.…
How many SEC Form 4 filings has Kaitlin M. Kestenberg-Messina submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Kaitlin M. Kestenberg-Messina been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($158K) across all tracked filings.
Where can I see all of Kaitlin M. Kestenberg-Messina'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 Kaitlin M. Kestenberg-Messina profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.