Thomas Richard Kassberg
CIK 1303811 · CBO & EVP · last filed 2026-05-21
"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.
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Disclosed Exposure
$6.61M
Companies
2
Total Filings
59
Lifetime Open-Market Net
-$7.55M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Recent Filings · Page 2 of 6
59 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2021-10-18 | RARE | Sell (S) | −286 | -$23.2K | EDGAR |
| 2021-10-01 | RARE | Exer (M) | +109,734 | $34.0K | EDGAR |
| 2021-05-10 | RARE | Sell (S) | −363 | -$41.3K | EDGAR |
| 2021-03-03 | RARE | Mixed | +5,564 | -$631.7K | EDGAR |
| 2020-10-16 | RARE | Sell (S) | −262 | -$23.1K | EDGAR |
| 2020-06-03 | RARE | Tax (F) | −348 | -$24.1K | EDGAR |
| 2020-05-08 | RARE | Tax (F) | −248 | -$16.4K | EDGAR |
| 2020-04-21 | RARE | Tax (F) | −248 | -$14.5K | EDGAR |
| 2020-03-03 | RARE | Mixed | +10,367 | -$115.9K | EDGAR |
| 2019-10-16 | RARE | Grant (A) | +1,434 | $0 | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.