Thomas Richard Kassberg
CIK 1303811 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 30, 2014 · Latest: Feb. 1, 2022
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 52 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
52 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 3, 2025 | RARE | S | 6,028 | $42.10 | $253,779 | 265,238 Direct | -2.22% | Disposed | -38.0% (price as of 2026-08-21) |
| March 11, 2024 | RARE | S | 11,509 | $49.93 | $574,644 | 252,823 Direct | -4.35% | Disposed | -47.7% (price as of 2026-08-21) |
| March 1, 2024 | RARE | S | 1,011 | $53.76 | $54,351 | 264,332 Direct | -0.38% | Disposed | -51.4% (price as of 2026-08-21) |
| Oct. 23, 2023 | RARE | S | 39,878 | $32.78 | $1,307,201 | 246,860 Direct | -13.91% | Disposed | -20.3% (price as of 2026-08-21) |
| March 1, 2023 | RARE | S | 1,968 | $45.27 | $89,091 | 250,254 Direct | -0.78% | Disposed | -42.3% (price as of 2026-08-21) |
| March 11, 2022 | RARE | S | 10,281 | $67.01 | $688,930 | 227,559 Direct | -4.32% | Disposed | -61.0% (price as of 2026-08-21) |
| March 1, 2022 | RARE | S | 2,374 | $66.62 | $158,156 | 213,840 Direct | -1.10% | Disposed | -60.8% (price as of 2026-08-21) |
| Oct. 14, 2021 | RARE | S | 286 | $81.14 | $23,206 | 216,266 Direct | -0.13% | Disposed | -67.8% (price as of 2026-08-21) |
| May 6, 2021 | RARE | S | 363 | $113.69 | $41,269 | 106,818 Direct | -0.34% | Disposed | -77.0% (price as of 2026-08-21) |
| March 1, 2021 | RARE | S | 4,572 | $138.17 | $631,713 | 107,181 Direct | -4.09% | Disposed | -81.1% (price as of 2026-08-21) |
| Oct. 14, 2020 | RARE | S | 262 | $87.98 | $23,051 | 101,478 Direct | -0.26% | Disposed | -70.3% (price as of 2026-08-21) |
| March 5, 2019 | RARE | S | 832 | $65.52 | $54,513 | 89,474 Direct | -0.92% | Disposed | -60.1% (price as of 2026-08-21) |
| Aug. 12, 2015 | RARE | S 10b5-1 | 3,334 | $109.70 | $365,740 | 70,204 Direct | -4.53% | Disposed | -76.2% (price as of 2026-08-21) |
| July 8, 2015 | RARE | S 10b5-1 | 3,334 | $102.12 | $340,468 | 73,538 Direct | -4.34% | Disposed | -74.4% (price as of 2026-08-21) |
| June 10, 2015 | RARE | S 10b5-1 | 3,334 | $88.19 | $294,025 | 76,872 Direct | -4.16% | Disposed | -70.4% (price as of 2026-08-21) |
| May 13, 2015 | RARE | S 10b5-1 | 3,334 | $72.04 | $240,181 | 75,806 Direct | -4.21% | Disposed | -63.7% (price as of 2026-08-21) |
| April 8, 2015 | RARE | S 10b5-1 | 3,333 | $58.02 | $193,381 | 79,140 Direct | -4.04% | Disposed | -55.0% (price as of 2026-08-21) |
| March 11, 2015 | RARE | S 10b5-1 | 3,333 | $56.30 | $187,648 | 82,473 Direct | -3.88% | Disposed | -53.6% (price as of 2026-08-21) |
| Feb. 11, 2015 | RARE | S 10b5-1 | 3,333 | $54.31 | $181,015 | 85,806 Direct | -3.74% | Disposed | -51.9% (price as of 2026-08-21) |
| Jan. 14, 2015 | RARE | S 10b5-1 | 3,333 | $51.51 | $171,683 | 89,139 Direct | -3.60% | Disposed | -49.3% (price as of 2026-08-21) |
| Dec. 10, 2014 | RARE | S 10b5-1 | 3,333 | $40.22 | $134,053 | 92,472 Direct | -3.48% | Disposed | -35.1% (price as of 2026-08-21) |
| Nov. 12, 2014 | RARE | S 10b5-1 | 3,333 | $41.85 | $139,486 | 95,805 Direct | -3.36% | Disposed | -37.6% (price as of 2026-08-21) |
| Oct. 8, 2014 | RARE | S 10b5-1 | 3,333 | $53.26 | $177,516 | 99,138 Direct | -3.25% | Disposed | -51.0% (price as of 2026-08-21) |
| Sept. 10, 2014 | RARE | S 10b5-1 | 3,333 | $54.82 | $182,715 | 102,471 Direct | -3.15% | Disposed | -52.4% (price as of 2026-08-21) |
| Sept. 3, 2014 | RARE | S 10b5-1 | 10,000 | $55.00 | $550,000 | 105,804 Direct | -8.64% | Disposed | -52.5% (price as of 2026-08-21) |
| Sept. 2, 2014 | RARE | S 10b5-1 | 10,000 | $52.82 | $528,200 | 115,804 Direct | -7.95% | Disposed | -50.5% (price as of 2026-08-21) |
| Jan. 30, 2014 | RARE | P | 1,500 | $21.00 | $31,500 | 94,350 Direct | +1.62% | Acquired | 24.4% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 19, 2026 | PASG | Director Stock Option (right to buy) | Common Stock (10,539) | $5.08 | May 19, 2036 | 10,539 | Acquired |
| Sept. 30, 2024 | PASG | Employee Stock Option (right to buy) | Common Stock (174,139) | $0.70 | Sept. 30, 2034 | 174,139 | Acquired |
| March 1, 2024 | RARE | Stock Option (Right to Buy) | Common Stock (31,400) | $53.69 | March 1, 2034 | 31,400 | Acquired |
| Oct. 23, 2023 | RARE | Stock Option (Right to Buy) | Common Stock (39,878) | $6.86 | Oct. 31, 2023 | 39,878 | Disposed |
| March 1, 2023 | RARE | Stock Option (Right to Buy) | Common Stock (39,400) | $45.65 | March 1, 2033 | 39,400 | Acquired |
| March 1, 2022 | RARE | Stock Option (Right to Buy) | Common Stock (24,900) | $67.37 | March 1, 2032 | 24,900 | Acquired |
| Sept. 30, 2021 | RARE | Stock Option (Right to Buy) | Common Stock (109,734) | $0.31 | Nov. 17, 2021 | 109,734 | Disposed |
| March 1, 2021 | RARE | Stock Option (Right to Buy) | Common Stock (11,000) | $142.47 | March 1, 2031 | 11,000 | Acquired |
| March 1, 2020 | RARE | Stock Option (Right to Buy) | Common Stock (20,000) | $56.08 | March 1, 2030 | 20,000 | Acquired |
| March 1, 2019 | RARE | Stock Option (Right to Buy) | Common Stock (21,500) | $67.55 | March 1, 2029 | 21,500 | Acquired |
| March 1, 2019 | RARE | Stock Option (Right to Buy) | Common Stock (21,500) | $67.55 | March 1, 2029 | 21,500 | Acquired |
| March 1, 2018 | RARE | Stock Option (Right to Buy) | Common Stock (30,000) | $48.43 | March 1, 2028 | 30,000 | Acquired |
| March 1, 2017 | RARE | Employee Stock Option (Right to Buy) | Common Stock (25,000) | $88.80 | March 1, 2027 | 25,000 | Acquired |
| May 21, 2015 | RARE | Stock Option (Right to Buy) | Common Stock (26,300) | $84.89 | May 20, 2025 | 26,300 | Acquired |
| Feb. 5, 2014 | RARE | Series A Preferred Stock | Common Stock | — | — | 98,595 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 30, 2014 | RARE | Common Stock | 92,850 | Direct |
| Jan. 30, 2014 | RARE | Series A Preferred Stock→ Common Stock (98,595) | 98,595 | Direct |
| Jan. 30, 2014 | RARE | Stock Option (Right to Buy)→ Common Stock (109,734) | 109,734 | Direct |
| Jan. 30, 2014 | RARE | Stock Option (Right to Buy)→ Common Stock (39,878) | 39,878 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $474,000 | — | — | — | $206,901 | — | $33,937 | $2,456,501 |
| 2017 | $418,443 | — | — | — | $168,600 | — | $32,697 | $2,331,661 |
| 2014 | $362,857 | — | — | — | $112,219 | — | $16,863 | $491,939 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.