Karen A Dawes
CIK 1261506 · View on SEC EDGAR ↗
Insider
First SEC filing: Sept. 19, 2005 · Latest: Feb. 10, 2023
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-44,275
+ 35 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
35 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 17, 2025 | RGEN | S | 275 | $161.00 | $44,275 | 91,821 Direct | -0.30% | Disposed | 9.7% (price as of 2026-08-21) |
| Feb. 27, 2024 | RGEN | S | 1,000 | $193.35 | $193,350 | 87,367 Direct | -1.13% | Disposed | -8.6% (price as of 2026-08-21) |
| Aug. 29, 2023 | RGEN | S | 850 | $171.38 | $145,673 | 83,741 Direct | -1.00% | Disposed | 3.1% (price as of 2026-08-21) |
| Sept. 9, 2022 | RGEN | S | 775 | $227.17 | $176,057 | 76,401 Direct | -1.00% | Disposed | -22.2% (price as of 2026-08-21) |
| May 25, 2022 | RGEN | S | 742 | $152.84 | $113,407 | 76,532 Direct | -0.96% | Disposed | 15.6% (price as of 2026-08-21) |
| May 25, 2022 | RGEN | S | 1,875 | $152.14 | $285,262 | 77,274 Direct | -2.37% | Disposed | 16.1% (price as of 2026-08-21) |
| May 25, 2022 | RGEN | S | 1,845 | $151.14 | $278,853 | 79,149 Direct | -2.28% | Disposed | 16.9% (price as of 2026-08-21) |
| May 25, 2022 | RGEN | S | 7,677 | $150.19 | $1,153,009 | 80,994 Direct | -8.66% | Disposed | 17.6% (price as of 2026-08-21) |
| May 25, 2022 | RGEN | S | 2,576 | $149.18 | $384,288 | 88,671 Direct | -2.82% | Disposed | 18.4% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 1,038 | $262.28 | $272,247 | 94,294 Direct | -1.09% | Disposed | -32.7% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 1,119 | $263.23 | $294,554 | 93,175 Direct | -1.19% | Disposed | -32.9% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 336 | $264.21 | $88,775 | 92,839 Direct | -0.36% | Disposed | -33.1% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 488 | $265.27 | $129,452 | 92,351 Direct | -0.53% | Disposed | -33.4% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 486 | $266.72 | $129,626 | 91,865 Direct | -0.53% | Disposed | -33.8% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 14 | $271.28 | $3,798 | 91,247 Direct | -0.02% | Disposed | -34.9% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 255 | $269.94 | $68,835 | 91,261 Direct | -0.28% | Disposed | -34.6% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 349 | $267.75 | $93,445 | 91,516 Direct | -0.38% | Disposed | -34.0% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 236 | $261.10 | $61,620 | 95,332 Direct | -0.25% | Disposed | -32.3% (price as of 2026-08-21) |
| Nov. 10, 2021 | RGEN | S | 462 | $259.75 | $120,004 | 95,568 Direct | -0.48% | Disposed | -32.0% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 283 | $306.49 | $86,737 | 91,247 Direct | -0.31% | Disposed | -42.4% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 700 | $305.91 | $214,137 | 91,530 Direct | -0.76% | Disposed | -42.3% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 124 | $304.23 | $37,725 | 92,230 Direct | -0.13% | Disposed | -41.9% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 532 | $303.48 | $161,451 | 92,354 Direct | -0.57% | Disposed | -41.8% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 446 | $301.97 | $134,679 | 92,886 Direct | -0.48% | Disposed | -41.5% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 251 | $301.20 | $75,601 | 93,332 Direct | -0.27% | Disposed | -41.4% (price as of 2026-08-21) |
| Nov. 2, 2021 | RGEN | S | 64 | $299.02 | $19,137 | 93,583 Direct | -0.07% | Disposed | -40.9% (price as of 2026-08-21) |
| Sept. 14, 2021 | RGEN | S | 27 | $295.82 | $7,987 | 93,647 Direct | -0.03% | Disposed | -40.3% (price as of 2026-08-21) |
| Sept. 14, 2021 | RGEN | S | 108 | $295.02 | $31,862 | 93,674 Direct | -0.12% | Disposed | -40.1% (price as of 2026-08-21) |
| Sept. 14, 2021 | RGEN | S | 101 | $294.06 | $29,700 | 93,782 Direct | -0.11% | Disposed | -39.9% (price as of 2026-08-21) |
| Sept. 14, 2021 | RGEN | S | 25 | $292.34 | $7,308 | 93,883 Direct | -0.03% | Disposed | -39.6% (price as of 2026-08-21) |
| Sept. 14, 2021 | RGEN | S | 13 | $290.02 | $3,770 | 93,908 Direct | -0.01% | Disposed | -39.1% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 851 | $285.44 | $242,909 | 93,921 Direct | -0.90% | Disposed | -38.1% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 1,107 | $284.64 | $315,096 | 94,772 Direct | -1.15% | Disposed | -37.9% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 661 | $283.56 | $187,433 | 95,879 Direct | -0.68% | Disposed | -37.7% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 405 | $282.53 | $114,425 | 96,540 Direct | -0.42% | Disposed | -37.5% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 196 | $281.68 | $55,209 | 96,945 Direct | -0.20% | Disposed | -37.3% (price as of 2026-08-21) |
| Sept. 1, 2021 | RGEN | S | 239 | $280.27 | $66,985 | 97,141 Direct | -0.25% | Disposed | -37.0% (price as of 2026-08-21) |
| Aug. 18, 2021 | RGEN | S | 40 | $262.31 | $10,492 | 93,921 Direct | +0.04% | Acquired | -32.7% (price as of 2026-08-21) |
| Aug. 18, 2021 | RGEN | S | 78 | $260.91 | $20,351 | 93,961 Direct | -0.08% | Disposed | -32.3% (price as of 2026-08-21) |
| Aug. 18, 2021 | RGEN | S | 388 | $259.93 | $100,853 | 94,039 Direct | -0.41% | Disposed | -32.0% (price as of 2026-08-21) |
| Aug. 18, 2021 | RGEN | S | 634 | $258.91 | $164,149 | 94,427 Direct | -0.67% | Disposed | -31.8% (price as of 2026-08-21) |
| Aug. 18, 2021 | RGEN | S | 302 | $257.66 | $77,813 | 95,061 Direct | -0.32% | Disposed | -31.4% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 194 | $256.43 | $49,747 | 95,363 Direct | -0.20% | Disposed | -31.1% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 2,231 | $255.07 | $569,061 | 95,557 Direct | -2.28% | Disposed | -30.7% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 8,580 | $254.09 | $2,180,092 | 97,788 Direct | -8.07% | Disposed | -30.5% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 4,665 | $253.34 | $1,181,831 | 106,368 Direct | -4.20% | Disposed | -30.3% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 920 | $251.92 | $231,766 | 111,033 Direct | -0.82% | Disposed | -29.9% (price as of 2026-08-21) |
| Aug. 17, 2021 | RGEN | S | 924 | $251.15 | $232,063 | 111,953 Direct | -0.82% | Disposed | -29.7% (price as of 2026-08-21) |
| July 20, 2021 | RGEN | S | 614 | $203.11 | $124,710 | 112,877 Direct | -0.54% | Disposed | -13.0% (price as of 2026-08-21) |
| July 20, 2021 | RGEN | S | 2,877 | $202.29 | $581,988 | 113,491 Direct | -2.47% | Disposed | -12.7% (price as of 2026-08-21) |
| July 20, 2021 | RGEN | S | 806 | $201.37 | $162,304 | 116,368 Direct | -0.69% | Disposed | -12.3% (price as of 2026-08-21) |
| July 20, 2021 | RGEN | S | 288 | $200.01 | $57,603 | 117,174 Direct | -0.25% | Disposed | -11.7% (price as of 2026-08-21) |
| July 13, 2021 | RGEN | S | 441 | $201.27 | $88,760 | 118,541 Direct | -0.37% | Disposed | -12.2% (price as of 2026-08-21) |
| July 13, 2021 | RGEN | S | 630 | $202.29 | $127,443 | 117,911 Direct | -0.53% | Disposed | -12.7% (price as of 2026-08-21) |
| July 13, 2021 | RGEN | S | 5 | $204.02 | $1,020 | 117,462 Direct | 0.00% | Disposed | -13.4% (price as of 2026-08-21) |
| July 13, 2021 | RGEN | S | 444 | $203.09 | $90,172 | 117,467 Direct | -0.38% | Disposed | -13.0% (price as of 2026-08-21) |
| July 13, 2021 | RGEN | S | 1,520 | $202.23 | $307,390 | 117,462 Direct | +1.31% | Acquired | -12.7% (price as of 2026-08-21) |
| May 11, 2021 | RGEN | S | 285 | $176.85 | $50,402 | 115,449 Direct | -0.25% | Disposed | -0.1% (price as of 2026-08-21) |
| May 4, 2021 | BRNS | P | 1,700 | $17.00 | $28,900 | 1,700 Direct | — | Acquired | -96.3% (price as of 2026-08-21) |
| June 18, 2020 | RGEN | S | 2,568 | $116.56 | $299,326 | 100,734 Direct | -2.49% | Disposed | 51.5% (price as of 2026-08-21) |
| June 18, 2020 | RGEN | S | 8,217 | $115.76 | $951,200 | 103,302 Direct | -7.37% | Disposed | 52.6% (price as of 2026-08-21) |
| June 18, 2020 | RGEN | S | 5,243 | $114.49 | $600,271 | 111,519 Direct | -4.49% | Disposed | 54.3% (price as of 2026-08-21) |
| June 18, 2020 | RGEN | S | 2,677 | $113.58 | $304,054 | 116,762 Direct | -2.24% | Disposed | 55.5% (price as of 2026-08-21) |
| April 20, 2020 | RGEN | S | 3,202 | $104.98 | $336,146 | 118,032 Direct | -2.64% | Disposed | 68.3% (price as of 2026-08-21) |
| April 20, 2020 | RGEN | S | 8,998 | $104.42 | $939,571 | 109,034 Direct | -7.62% | Disposed | 69.2% (price as of 2026-08-21) |
Showing latest 100 of 172 transactions
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 14, 2026 | RGEN | Stock Option (Right to Buy) | Common Stock (2,239) | $103.38 | May 14, 2036 | 2,239 | Acquired |
| May 15, 2025 | RGEN | Stock Option (Right to Buy) | Common Stock (1,800) | $123.26 | May 15, 2035 | 1,800 | Acquired |
| June 14, 2024 | RGEN | Stock Option (Right to Buy) | Common Stock (2,953) | $67.71 | May 15, 2029 | 2,953 | Acquired |
| May 16, 2024 | RGEN | Stock Option (Right to Buy) | Common Stock (1,576) | $171.03 | May 16, 2034 | 1,576 | Acquired |
| Feb. 27, 2024 | RGEN | Stock Option (Right to Buy) | Common Stock (4,626) | $42.07 | May 16, 2028 | 4,626 | Acquired |
| Aug. 29, 2023 | RGEN | Stock Option (Right to Buy) | Common Stock (7,392) | $18.12 | May 15, 2024 | 7,392 | Acquired |
| May 18, 2023 | RGEN | Stock Option (Right to Buy) | Common Stock (1,730) | $156.63 | May 18, 2033 | 1,730 | Acquired |
| May 11, 2023 | BRNS | Share Option (Right to Buy) | Ordinary Shares [F2] (19,197) | $2.27 | May 11, 2033 | 19,197 | Acquired |
| May 26, 2022 | RGEN | Stock Option (Right to Buy) | Common Stock (1,565) | $159.17 | May 26, 2032 | 1,565 | Acquired |
| Nov. 10, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (4,783) | $26.12 | May 11, 2026 | 4,783 | Acquired |
| Sept. 1, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (3,459) | $38.76 | May 18, 2027 | 3,459 | Acquired |
| July 13, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (2,929) | $41.19 | July 21, 2025 | 2,929 | Acquired |
| July 13, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (2,929) | $41.19 | July 21, 2025 | 2,929 | Acquired |
| May 13, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (1,522) | $169.65 | May 13, 2031 | 1,522 | Acquired |
| May 11, 2021 | RGEN | Stock Option (Right to Buy) | Common Stock (15,000) | $3.22 | Dec. 15, 2021 | 15,000 | Disposed |
| April 29, 2021 | BRNS | Share Option (Right to Buy) | Ordinary Shares [F1] (34,328) | $17.00 | April 29, 2031 | 34,328 | Acquired |
| May 13, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (1,761) | $128.18 | May 13, 2030 | 1,761 | Acquired |
| May 13, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (1,761) | $128.18 | May 13, 2030 | 1,761 | Acquired |
| April 21, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (11,800) | $3.30 | Sept. 16, 2020 | 11,800 | Disposed |
| April 21, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (11,800) | $3.30 | Sept. 16, 2020 | 11,800 | Disposed |
| April 20, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (8,200) | $3.30 | Sept. 16, 2020 | 8,200 | Disposed |
| April 20, 2020 | RGEN | Stock Option (Right to Buy) | Common Stock (8,200) | $3.30 | Sept. 16, 2020 | 8,200 | Disposed |
| June 17, 2019 | RGEN | Stock Options (Right to Buy) | Common Stock (20,000) | $4.96 | Sept. 11, 2019 | 20,000 | Disposed |
| May 15, 2019 | RGEN | Stock Option (Right to Buy) | Common Stock (2,953) | $67.71 | May 15, 2029 | 2,953 | Acquired |
| May 16, 2018 | RGEN | Stock Option (Right to Buy) | Common Stock (4,626) | $42.07 | May 16, 2028 | 4,626 | Acquired |
| May 11, 2018 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $5.08 | Sept. 12, 2018 | 20,000 | Disposed |
| May 18, 2017 | RGEN | Stock Option (Right to Buy) | Common Stock (3,459) | $38.76 | May 18, 2027 | 3,459 | Acquired |
| March 21, 2017 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $4.29 | Sept. 14, 2017 | 20,000 | Disposed |
| June 27, 2016 | RGEN | Stock Option (Right to Buy) | Common Stock (15,000) | $3.10 | Sept. 15, 2016 | 15,000 | Disposed |
| May 11, 2016 | RGEN | Stock Option (Right to Buy) | Common Stock (4,783) | $26.12 | May 11, 2026 | 4,783 | Acquired |
| May 21, 2015 | RGEN | Stock Option (Right to Buy) | Common Stock (2,929) | $41.19 | May 21, 2025 | 2,929 | Acquired |
| May 15, 2014 | RGEN | Stock Option (Right to Buy) | Common Stock (7,392) | $18.12 | May 15, 2024 | 7,392 | Acquired |
| Dec. 15, 2011 | RGEN | Stock Option (Right to Buy) | Common Stock (15,000) | $3.22 | Dec. 15, 2021 | 15,000 | Acquired |
| Sept. 16, 2010 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $3.30 | Sept. 16, 2020 | 20,000 | Acquired |
| Sept. 11, 2009 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $4.96 | Sept. 11, 2019 | 20,000 | Acquired |
| Sept. 12, 2008 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $5.08 | Sept. 12, 2018 | 20,000 | Acquired |
| Sept. 14, 2007 | RGEN | Stock Option (Right to Buy) | Common Stock (20,000) | $4.29 | Sept. 14, 2017 | 20,000 | Acquired |
| Sept. 15, 2006 | RGEN | Stock Option (Right to Buy) | Common Stock (15,000) | $3.10 | Sept. 15, 2016 | 15,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.