Mark Erlander
First SEC filing: Aug. 24, 2015 · Latest: Aug. 24, 2015
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 11, 2025 | CRDF | A | 758,400 | · | · | 2,925,098 Direct | +35.00% | Acquired | (price as of 2026-10-02) |
| March 7, 2024 | CRDF | A | 510,000 | · | · | 2,170,310 Direct | +30.72% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | CRDF | A | 482,064 | · | · | 1,664,477 Direct | +40.77% | Acquired | (price as of 2026-10-02) |
| Nov. 25, 2022 | CRDF | P | 10,000 | $1.43 | $14,300 | 24,481 Direct | +69.06% | Acquired | -21.7% (price as of 2026-10-02) |
| March 9, 2022 | CRDF | A | 370,128 | · | · | 1,185,400 Direct | +45.40% | Acquired | (price as of 2026-10-02) |
| June 10, 2021 | CRDF | A | 435,072 | · | · | 815,272 Direct | +114.43% | Acquired | (price as of 2026-10-02) |
| March 23, 2021 | CRDF | P | 965 | $10.34 | $9,978 | 14,481 Direct | +7.14% | Acquired | -89.2% (price as of 2026-10-02) |
| Jan. 2, 2021 | CRDF | M | 260 | · | · | 13,629 Direct | +1.94% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2021 | CRDF | F | 113 | · | · | 13,516 Direct | -0.83% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2021 | CRDF | M | 260 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 17, 2020 | CRDF | A | 221,241 | · | · | 380,200 Direct | +139.18% | Acquired | (price as of 2026-10-02) |
| May 14, 2020 | CRDF | P | 6,993 | $1.43 | $10,000 | 13,369 Direct | +109.68% | Acquired | -21.7% (price as of 2026-10-02) |
| Jan. 3, 2020 | CRDF | F | 116 | · | · | 6,376 Direct | -1.79% | Disposed | (price as of 2026-10-02) |
| Jan. 3, 2020 | CRDF | F | 552 | · | · | 6,231 Direct | -8.14% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2020 | CRDF | M | 261 | · | · | 260 Direct | -50.10% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2020 | CRDF | M | 261 | · | · | 6,492 Direct | +4.19% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2020 | CRDF | M | 1,250 | · | · | 521 Direct | -70.58% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2020 | CRDF | M | 1,250 | · | · | 6,783 Direct | +22.59% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2019 | CRDF | M | 1,250 | · | · | 1,771 Direct | -41.38% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2019 | CRDF | F | 466 | · | · | 5,533 Direct | -7.77% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2019 | CRDF | M | 1,250 | · | · | 5,999 Direct | +26.32% | Acquired | (price as of 2026-10-02) |
| July 1, 2019 | CRDF | M | 1,250 | · | · | 3,021 Direct | -29.27% | Disposed | (price as of 2026-10-02) |
| July 1, 2019 | CRDF | F | 461 | · | · | 4,749 Direct | -8.85% | Disposed | (price as of 2026-10-02) |
| July 1, 2019 | CRDF | M | 1,250 | · | · | 5,210 Direct | +31.57% | Acquired | (price as of 2026-10-02) |
| June 20, 2019 | CRDF | A | 134,203 | · | · | 158,959 Direct | +542.10% | Acquired | (price as of 2026-10-02) |
| April 1, 2019 | CRDF | M | 1,250 | · | · | 4,271 Direct | -22.64% | Disposed | (price as of 2026-10-02) |
| April 1, 2019 | CRDF | F | 459 | · | · | 3,960 Direct | -10.39% | Disposed | (price as of 2026-10-02) |
| April 1, 2019 | CRDF | M | 1,250 | · | · | 4,419 Direct | +39.44% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2019 | CRDF | M | 1,563 | · | · | 33,125 Direct | -4.51% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | CRDF | F | 698 | · | · | 19,010 Direct | -3.54% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2019 | CRDF | M | 1,563 | · | · | 19,708 Direct | +8.61% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2019 | CRDF | M | 7,500 | · | · | 34,688 Direct | -17.78% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2019 | CRDF | F | 3,035 | · | · | 18,145 Direct | -14.33% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2019 | CRDF | M | 7,500 | · | · | 21,180 Direct | +54.82% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2018 | CRDF | M | 7,500 | · | · | 42,188 Direct | -15.09% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2018 | CRDF | F | 2,731 | · | · | 13,680 Direct | -16.64% | Disposed | (price as of 2026-10-02) |
| Oct. 1, 2018 | CRDF | M | 7,500 | · | · | 16,411 Direct | +84.17% | Acquired | (price as of 2026-10-02) |
| July 24, 2018 | CRDF | A | 45,000 | · | · | 49,688 Direct | +959.90% | Acquired | (price as of 2026-10-02) |
| Jan. 30, 2018 | CRDF | M | 90,000 | · | · | 56,250 Direct | -61.54% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2018 | CRDF | F | 42,930 | · | · | 104,367 Direct | -29.15% | Disposed | (price as of 2026-10-02) |
| Jan. 30, 2018 | CRDF | M | 90,000 | · | · | 147,297 Direct | +157.08% | Acquired | (price as of 2026-10-02) |
| Jan. 23, 2018 | CRDF | A | 672,189 | · | · | 1,782,189 Direct | +60.56% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | M | 18,750 | · | · | 146,250 Direct | -11.36% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | F | 9,558 | · | · | 57,243 Direct | -14.31% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | M | 18,750 | · | · | 66,801 Direct | +39.02% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | M | 18,750 | · | · | 146,250 Direct | -11.36% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | F | 9,558 | · | · | 57,297 Direct | -14.30% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2018 | CRDF | M | 18,750 | · | · | 66,855 Direct | +38.98% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2017 | CRDF | M | 30,001 | · | · | 165,000 Direct | -15.39% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2017 | CRDF | F | 12,928 | · | · | 48,051 Direct | -21.20% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2017 | CRDF | M | 30,001 | · | · | 61,033 Direct | +96.68% | Acquired | (price as of 2026-10-02) |
| Aug. 22, 2017 | CRDF | A | 385,000 | · | · | 1,110,000 Direct | +53.10% | Acquired | (price as of 2026-10-02) |
| April 7, 2017 | CRDF | A | 90,000 | · | · | 195,001 Direct | +85.71% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2017 | CRDF | A | 75,000 | · | · | 105,001 Direct | +249.99% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2017 | CRDF | A | 30,001 | · | · | 30,001 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2017 | CRDF | M | 50,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2017 | CRDF | F | 23,968 | · | · | 31,032 Direct | -43.58% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2017 | CRDF | M | 50,000 | · | · | 55,000 Direct | +1000.00% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2016 | CRDF | P | 5,000 | $2.08 | $10,400 | 5,000 Direct | · | Acquired | -99.3% (price as of 2026-10-02) |
| May 2, 2016 | CRDF | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2016 | CRDF | A | 150,000 | · | · | 725,000 Direct | +26.09% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| March 11, 2025 | CRDF | Stock Options | Common Stock | $3.58 | March 11, 2035 | 758,400 | Acquired |
| March 7, 2024 | CRDF | Stock Options | Common Stock | $3.51 | March 7, 2034 | 510,000 | Acquired |
| March 15, 2023 | CRDF | Stock Options | Common Stock | $1.72 | March 15, 2033 | 482,064 | Acquired |
| March 9, 2022 | CRDF | Stock Options | Common Stock | $2.50 | March 9, 2032 | 370,128 | Acquired |
| June 10, 2021 | CRDF | Stock Options | Common Stock | $7.98 | June 10, 2031 | 435,072 | Acquired |
| Jan. 2, 2021 | CRDF | Restricted Stock Units | Common Stock | · | · | 260 | Disposed |
| June 17, 2020 | CRDF | Stock Options | Common Stock | $2.60 | June 17, 2030 | 221,241 | Acquired |
| Jan. 2, 2020 | CRDF | Restricted Stock Units | Common Stock | · | · | 261 | Disposed |
| Jan. 1, 2020 | CRDF | Restricted Stock Units | Common Stock | · | · | 1,250 | Disposed |
| Oct. 1, 2019 | CRDF | Restricted Stock Units | Common Stock | · | · | 1,250 | Disposed |
| July 1, 2019 | CRDF | Restricted Stock Units | Common Stock | · | · | 1,250 | Disposed |
| June 20, 2019 | CRDF | Stock Options | Common Stock | $2.48 | June 20, 2029 | 134,203 | Acquired |
| April 1, 2019 | CRDF | Restricted Stock Units | Common Stock | · | · | 1,250 | Disposed |
| Jan. 2, 2019 | CRDF | Restricted Stock Units | Common Stock | · | · | 1,563 | Disposed |
| Jan. 1, 2019 | CRDF | Restricted Stock Units | Common Stock | · | · | 7,500 | Disposed |
| Oct. 1, 2018 | CRDF | Restricted Stock Units | Common Stock | · | · | 7,500 | Disposed |
| July 24, 2018 | CRDF | Restricted Stock Units | Common Stock | · | · | 45,000 | Acquired |
| Jan. 30, 2018 | CRDF | Restricted Stock Units | Common Stock | · | · | 90,000 | Disposed |
| Jan. 23, 2018 | CRDF | Stock Options | Common Stock | $0.30 | Jan. 23, 2028 | 672,189 | Acquired |
| Jan. 2, 2018 | CRDF | Restricted Stock Units | Common Stock | · | · | 18,750 | Disposed |
| Jan. 2, 2018 | CRDF | Restricted Stock Units | Common Stock | · | · | 18,750 | Disposed |
| Sept. 2, 2017 | CRDF | Restricted Stock Units | Common Stock | · | · | 30,001 | Disposed |
| Aug. 22, 2017 | CRDF | Stock Options | Common Stock | $0.85 | Aug. 22, 2027 | 385,000 | Acquired |
| April 7, 2017 | CRDF | Restricted Stock Units | Common Stock | · | · | 90,000 | Acquired |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock | · | · | 75,000 | Acquired |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock | · | · | 30,001 | Acquired |
| Jan. 2, 2017 | CRDF | Restricted Stock Units | Common Stock | · | · | 50,000 | Disposed |
| May 2, 2016 | CRDF | Restricted Stock Units | Common Stock | · | · | 50,000 | Acquired |
| Jan. 4, 2016 | CRDF | Stock Options | Common Stock | $5.18 | Jan. 4, 2026 | 150,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 24, 2015 | CRDF | Stock Options | 5,000 | Direct |
| Aug. 24, 2015 | CRDF | Stock Options | 10,000 | Direct |
| Aug. 24, 2015 | CRDF | Stock Options | 200,000 | Direct |
| Aug. 24, 2015 | CRDF | Stock Options | 100,000 | Direct |
| Aug. 24, 2015 | CRDF | Stock Options | 200,000 | Direct |
| Aug. 24, 2015 | CRDF | Stock Options | 60,000 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $635,000 | · | · | $2,266,106 | $122,238 | · | · | $3,023,344 |
| 2024 | $610,584 | · | · | $1,471,762 | $319,030 | · | · | $2,401,376 |
| 2023 | $594,400 | · | · | $672,978 | $280,394 | · | · | $1,547,772 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.