Sharon E. Underberg
CIK 1630353 · EVP, GC & Corporate Secretary · last filed 2026-03-05
Sharon E. Underberg is an EVP, GC & Corporate Secretary who has filed 25 SEC Form 4 insider transactions across 3 companies since 2015. The most recent filing shows the insider exercised options covering $99.6K of IDXX on Mar 5, 2026. Across all open-market trades the lifetime net is −$3.6M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $4.2M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
Charts
Trading activity, where the exposure sits, and each trade against the stock price.
IDXX price and trades
Daily close with each Form 4 filing on this company marked: green = open-market buy, red = open-market sale, purple = grants, exercises, gifts and other non-market transactions. Marker size scales with the dollar value.
Shares held
Shares owned after each reported transaction on this company (direct holdings as reported).
Open-market buying and selling
by monthDollar value of open-market purchases (code P, up) and sales (code S, down) across all companies, by filing month. Grants, exercises and gifts are excluded.
Exposure by company
latestMost recently reported shares × current price. Faded bars (*) have had no filing in 3 years, so the person may no longer hold them. Click a bar to chart that company.
Filer Profile
WESTBROOK, ME 04092
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| IDXX | EVP, GC & Corporate Secretary | 7,137 | $560.36 | $4.00M | -$3.55M | 15 | 2026-03-05 |
| KODK | General Counsel, Sec., SVP | 21,362 | $8.85 | $189.1K | $0 | 2 | 2019-01-11 |
| EASTMAN KODAK CO (KODK.WS.A) Delisted | General Counsel, Sec., SVP | 12,566 | — | — | $0 | 7 | 2017-12-19 |
Recent Filings
25 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-05 | IDXX | Exer (M) | +197 | $99.6K | EDGAR |
| 2026-02-17 | IDXX | Mixed | +581 | -$158.0K | EDGAR |
| 2025-08-12 | IDXX | Mixed | +183 | -$2.32M | EDGAR |
| 2025-08-08 | IDXX | Notice (144) | −5,450 | -$3.55M | EDGAR |
| 2025-02-18 | IDXX | Mixed | +485 | -$97.4K | EDGAR |
| 2024-02-20 | IDXX | Exer (M) | +483 | $100.0K | EDGAR |
| 2024-02-16 | IDXX | Mixed | +830 | -$199.6K | EDGAR |
| 2023-05-08 | IDXX | Exer (M) | +483 | $100.0K | EDGAR |
| 2023-02-16 | IDXX | Mixed | +705 | -$153.6K | EDGAR |
| 2023-02-10 | IDXX | Grant (A) | — | $0 | EDGAR |
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.