Chrystal Jensen
Insider
First SEC filing: Aug. 19, 2024 · Latest: Aug. 19, 2024
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-316,425
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | CERS | S 10b5-1 | 30,000 | $2.98 | $89,400 | 936,657 Direct | -3.10% | Disposed | -21.5% (price as of 2026-10-05) |
| June 30, 2026 | CERS | S 10b5-1 | 24,329 | $2.94 | $71,527 | 966,657 Direct | -2.46% | Disposed | -20.4% (price as of 2026-10-05) |
| June 30, 2026 | CERS | A | 55,000 | · | · | 990,986 Direct | -5.26% | Disposed | (price as of 2026-10-05) |
| April 1, 2026 | CERS | A 10b5-1 | 200,000 | · | · | 1,146,131 Direct | +21.14% | Acquired | (price as of 2026-10-05) |
| March 6, 2026 | CERS | S 10b5-1 | 30,845 | $2.01 | $61,998 | 1,059,139 Direct | -2.83% | Disposed | 16.4% (price as of 2026-10-05) |
| March 5, 2026 | CERS | A | 55,220 | · | · | 1,083,514 Direct | +5.37% | Acquired | (price as of 2026-10-05) |
| March 2, 2026 | CERS | A | 300,000 | · | · | 1,028,294 Direct | +41.19% | Acquired | (price as of 2026-10-05) |
| Nov. 24, 2025 | CERS | S | 55,000 | $1.70 | $93,500 | 728,294 Direct | -7.02% | Disposed | 37.6% (price as of 2026-10-05) |
| March 14, 2025 | CERS | S 10b5-1 | 30,075 | $1.45 | $43,609 | 783,294 Direct | -3.70% | Disposed | 61.4% (price as of 2026-10-05) |
| March 13, 2025 | CERS | S 10b5-1 | 18,949 | $1.45 | $27,476 | 813,369 Direct | -2.28% | Disposed | 61.4% (price as of 2026-10-05) |
| March 12, 2025 | CERS | S 10b5-1 | 113,008 | $1.66 | $187,593 | 946,131 Direct | -10.67% | Disposed | 41.0% (price as of 2026-10-05) |
| March 7, 2025 | CERS | S 10b5-1 | 27,457 | $1.50 | $41,186 | 832,318 Direct | -3.19% | Disposed | 56.0% (price as of 2026-10-05) |
| March 6, 2025 | CERS | A | 69,577 | · | · | 859,775 Direct | +8.81% | Acquired | (price as of 2026-10-05) |
| March 6, 2025 | CERS | A | 385,000 | · | · | 790,198 Direct | +95.02% | Acquired | (price as of 2026-10-05) |
| March 4, 2025 | CERS | S 10b5-1 | 60,000 | $1.59 | $95,400 | 405,198 Direct | -12.90% | Disposed | 47.2% (price as of 2026-10-05) |
| March 4, 2025 | CERS | S 10b5-1 | 6,292 | $1.55 | $9,753 | 465,198 Direct | -1.33% | Disposed | 51.0% (price as of 2026-10-05) |
| March 3, 2025 | CERS | M | 13,912 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 3, 2025 | CERS | M | 13,912 | · | · | 471,490 Direct | +3.04% | Acquired | (price as of 2026-10-05) |
| Feb. 26, 2025 | CERS | A | 13,912 | · | · | 13,912 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 16, 2024 | CERS | S 10b5-1 | 16,667 | $1.71 | $28,501 | 457,578 Direct | -3.51% | Disposed | 36.8% (price as of 2026-10-05) |
| Aug. 15, 2024 | CERS | S 10b5-1 | 16,667 | $2.06 | $34,334 | 474,245 Direct | -3.40% | Disposed | 13.6% (price as of 2026-10-05) |
| March 14, 2024 | CERS | S 10b5-1 | 17,824 | $1.97 | $35,113 | 490,912 Direct | -3.50% | Disposed | 18.8% (price as of 2026-10-05) |
| March 13, 2024 | CERS | S 10b5-1 | 17,460 | $2.06 | $35,968 | 508,736 Direct | -3.32% | Disposed | 13.6% (price as of 2026-10-05) |
| March 12, 2024 | CERS | M | 16,666 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2024 | CERS | M | 16,666 | · | · | 526,196 Direct | +3.27% | Acquired | (price as of 2026-10-05) |
| March 1, 2024 | CERS | A | 160,000 | · | · | 509,530 Direct | +45.78% | Acquired | (price as of 2026-10-05) |
| March 13, 2023 | CERS | S 10b5-1 | 5,758 | $2.80 | $16,122 | 349,530 Direct | -1.62% | Disposed | -16.4% (price as of 2026-10-05) |
| March 13, 2023 | CERS | S 10b5-1 | 9,710 | $2.80 | $27,188 | 338,621 Direct | -2.79% | Disposed | -16.4% (price as of 2026-10-05) |
| March 12, 2023 | CERS | M | 16,667 | · | · | 16,666 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2023 | CERS | M | 23,460 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2023 | CERS | M | 16,667 | · | · | 355,288 Direct | +4.92% | Acquired | (price as of 2026-10-05) |
| March 12, 2023 | CERS | M | 23,460 | · | · | 348,331 Direct | +7.22% | Acquired | (price as of 2026-10-05) |
| March 1, 2023 | CERS | A | 160,000 | · | · | 324,871 Direct | +97.05% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2022 | CERS | S 10b5-1 | 10,000 | $5.18 | $51,800 | 164,871 Direct | -5.72% | Disposed | -54.8% (price as of 2026-10-05) |
| March 14, 2022 | CERS | S 10b5-1 | 5,982 | $5.04 | $30,149 | 174,871 Direct | -3.31% | Disposed | -53.6% (price as of 2026-10-05) |
| March 14, 2022 | CERS | S 10b5-1 | 8,173 | $5.04 | $41,192 | 164,186 Direct | -4.74% | Disposed | -53.6% (price as of 2026-10-05) |
| March 14, 2022 | CERS | S 10b5-1 | 16,152 | $5.04 | $81,406 | 149,589 Direct | -9.75% | Disposed | -53.6% (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 16,667 | · | · | 33,333 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 22,770 | · | · | 23,460 Direct | -49.25% | Disposed | (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 45,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 16,667 | · | · | 180,853 Direct | +10.15% | Acquired | (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 22,770 | · | · | 172,359 Direct | +15.22% | Acquired | (price as of 2026-10-05) |
| March 12, 2022 | CERS | M | 45,000 | · | · | 165,741 Direct | +37.27% | Acquired | (price as of 2026-10-05) |
| March 1, 2022 | CERS | A | 105,000 | · | · | 105,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2022 | CERS | A | 52,500 | · | · | 120,741 Direct | +76.93% | Acquired | (price as of 2026-10-05) |
| Nov. 3, 2021 | CERS | S 10b5-1 | 40,000 | $7.70 | $308,000 | 67,038 Direct | -37.37% | Disposed | -69.6% (price as of 2026-10-05) |
| March 15, 2021 | CERS | S 10b5-1 | 7,989 | $6.38 | $50,970 | 105,853 Direct | -7.02% | Disposed | -63.3% (price as of 2026-10-05) |
| March 15, 2021 | CERS | S 10b5-1 | 15,786 | $6.38 | $100,715 | 91,072 Direct | -14.77% | Disposed | -63.3% (price as of 2026-10-05) |
| March 15, 2021 | CERS | S 10b5-1 | 5,556 | $6.38 | $35,447 | 61,858 Direct | -8.24% | Disposed | -63.3% (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 22,770 | · | · | 46,230 Direct | -33.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 45,000 | · | · | 45,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 15,833 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 22,770 | · | · | 113,842 Direct | +25.00% | Acquired | (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 45,000 | · | · | 106,858 Direct | +72.75% | Acquired | (price as of 2026-10-05) |
| March 12, 2021 | CERS | M | 15,833 | · | · | 67,414 Direct | +30.70% | Acquired | (price as of 2026-10-05) |
| March 1, 2021 | CERS | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 1, 2021 | CERS | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | M | 3,958 | · | · | 29,688 Direct | -11.76% | Disposed | (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | M | 4,167 | · | · | 6,250 Direct | -40.00% | Disposed | (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | S 10b5-1 | 3,958 | $8.00 | $31,664 | 48,585 Direct | -7.53% | Disposed | -70.8% (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | M | 3,958 | $4.32 | $17,099 | 52,543 Direct | +8.15% | Acquired | -45.8% (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | S 10b5-1 | 4,167 | $8.00 | $33,336 | 48,585 Direct | -7.90% | Disposed | -70.8% (price as of 2026-10-05) |
| Feb. 8, 2021 | CERS | M | 4,167 | $4.33 | $18,043 | 52,752 Direct | +8.58% | Acquired | -46.0% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 85,416 | $4.33 | $369,851 | 134,001 Direct | +175.81% | Acquired | -46.0% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | S 10b5-1 | 85,416 | $8.00 | $683,328 | 48,585 Direct | -63.74% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 57,395 | $4.32 | $247,946 | 105,980 Direct | +118.13% | Acquired | -45.8% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | S 10b5-1 | 57,395 | $8.00 | $459,160 | 48,585 Direct | -54.16% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 68,516 | $4.46 | $305,581 | 117,101 Direct | +141.02% | Acquired | -47.5% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | S 10b5-1 | 68,516 | $8.00 | $548,128 | 48,585 Direct | -58.51% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 85,416 | · | · | 10,417 Direct | -89.13% | Disposed | (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 57,395 | · | · | 33,646 Direct | -63.04% | Disposed | (price as of 2026-10-05) |
| Dec. 22, 2020 | CERS | M | 68,516 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 21,875 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 11,362 | · | · | 68,516 Direct | -14.22% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 3,959 | · | · | 91,041 Direct | -4.17% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 4,167 | · | · | 95,833 Direct | -4.17% | Disposed | (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | S 10b5-1 | 21,875 | $8.00 | $175,000 | 48,585 Direct | -31.05% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 21,875 | $4.46 | $97,562 | 70,460 Direct | +45.02% | Acquired | -47.5% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | S 10b5-1 | 11,362 | $8.00 | $90,896 | 48,585 Direct | -18.95% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 11,362 | $4.46 | $50,675 | 59,947 Direct | +23.39% | Acquired | -47.5% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | S 10b5-1 | 3,959 | $8.00 | $31,672 | 48,585 Direct | -7.53% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 3,959 | $4.32 | $17,103 | 52,544 Direct | +8.15% | Acquired | -45.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | S 10b5-1 | 4,167 | $8.00 | $33,336 | 48,585 Direct | -7.90% | Disposed | -70.8% (price as of 2026-10-05) |
| Dec. 11, 2020 | CERS | M | 4,167 | $4.33 | $18,043 | 52,742 Direct | +8.58% | Acquired | -46.0% (price as of 2026-10-05) |
| Aug. 7, 2020 | CERS | S 10b5-1 | 23,621 | $7.07 | $167,000 | 48,585 Direct | -32.71% | Disposed | -66.9% (price as of 2026-10-05) |
| May 12, 2020 | CERS | S | 20,351 | $5.66 | $115,187 | 72,206 Direct | -21.99% | Disposed | -58.7% (price as of 2026-10-05) |
| March 17, 2020 | CERS | S 10b5-1 | 17,499 | $3.59 | $62,821 | 92,557 Direct | -15.90% | Disposed | -34.8% (price as of 2026-10-05) |
| March 17, 2020 | CERS | M | 45,000 | · | · | 110,056 Direct | +69.17% | Acquired | (price as of 2026-10-05) |
| March 17, 2020 | CERS | S 10b5-1 | 6,062 | $3.59 | $21,763 | 65,056 Direct | -8.52% | Disposed | -34.8% (price as of 2026-10-05) |
| March 17, 2020 | CERS | M | 15,833 | · | · | 71,118 Direct | +28.64% | Acquired | (price as of 2026-10-05) |
| March 17, 2020 | CERS | S 10b5-1 | 2,974 | $3.59 | $10,677 | 55,285 Direct | -5.10% | Disposed | -34.8% (price as of 2026-10-05) |
| March 17, 2020 | CERS | M | 7,500 | · | · | 58,259 Direct | +14.78% | Acquired | (price as of 2026-10-05) |
| March 12, 2020 | CERS | M | 45,000 | · | · | 90,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 12, 2020 | CERS | M | 15,833 | · | · | 15,833 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| March 12, 2020 | CERS | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2020 | CERS | A | 69,000 | · | · | 69,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2020 | CERS | A | 138,000 | · | · | 138,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 6, 2019 | CERS | A | 135,000 | · | · | 135,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 12, 2019 | CERS | M | 15,834 | · | · | 31,666 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| March 12, 2019 | CERS | M | 7,500 | · | · | 7,500 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 135 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 |
|---|---|---|---|---|---|---|---|
| March 3, 2025 | CERS | Restricted Stock Unit | Common Stock | · | · | 13,912 | Disposed |
| Feb. 26, 2025 | CERS | Restricted Stock Unit | Common Stock | · | · | 13,912 | Acquired |
| March 12, 2024 | CERS | Restricted Stock Unit | Common Stock | · | · | 16,666 | Disposed |
| March 12, 2023 | CERS | Restricted Stock Unit | Common Stock | · | · | 16,667 | Disposed |
| March 12, 2023 | CERS | Restricted Stock Unit | Common Stock | · | · | 23,460 | Disposed |
| March 12, 2022 | CERS | Restricted Stock Unit | Common Stock | · | · | 16,667 | Disposed |
| March 12, 2022 | CERS | Restricted Stock Unit | Common Stock | · | · | 22,770 | Disposed |
| March 12, 2022 | CERS | Restricted Stock Unit | Common Stock | · | · | 45,000 | Disposed |
| March 1, 2022 | CERS | Option (Right to Buy) | Common Stock | $5.76 | Feb. 28, 2032 | 105,000 | Acquired |
| March 12, 2021 | CERS | Restricted Stock Unit | Common Stock | · | · | 22,770 | Disposed |
| March 12, 2021 | CERS | Restricted Stock Unit | Common Stock | · | · | 45,000 | Disposed |
| March 12, 2021 | CERS | Restricted Stock Unit | Common Stock | · | · | 15,833 | Disposed |
| March 1, 2021 | CERS | Restricted Stock Unit | Common Stock | · | · | 50,000 | Acquired |
| March 1, 2021 | CERS | Option (Right to Buy) | Common Stock | $6.52 | Feb. 28, 2031 | 100,000 | Acquired |
| Feb. 8, 2021 | CERS | Option (Right to Buy) | Common Stock | $4.32 | Feb. 28, 2028 | 3,958 | Disposed |
| Feb. 8, 2021 | CERS | Option (Right to Buy) | Common Stock | $4.33 | Feb. 28, 2027 | 4,167 | Disposed |
| Dec. 22, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.33 | Feb. 28, 2027 | 85,416 | Disposed |
| Dec. 22, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.32 | Feb. 28, 2028 | 57,395 | Disposed |
| Dec. 22, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.46 | March 1, 2025 | 68,516 | Disposed |
| Dec. 11, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.46 | March 1, 2025 | 21,875 | Disposed |
| Dec. 11, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.46 | March 1, 2025 | 11,362 | Disposed |
| Dec. 11, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.32 | Feb. 28, 2028 | 3,959 | Disposed |
| Dec. 11, 2020 | CERS | Option (Right to Buy) | Common Stock | $4.33 | Feb. 28, 2027 | 4,167 | Disposed |
| March 12, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 45,000 | Disposed |
| March 12, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 15,833 | Disposed |
| March 12, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 7,500 | Disposed |
| March 2, 2020 | CERS | Restricted Stock Unit | Common Stock | · | · | 69,000 | Acquired |
| March 2, 2020 | CERS | Option (Right to Buy) | Common Stock | $5.11 | March 1, 2030 | 138,000 | Acquired |
| June 6, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 135,000 | Acquired |
| March 12, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 15,834 | Disposed |
| March 12, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 7,500 | Disposed |
| March 12, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 7,500 | Disposed |
| March 12, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 15,834 | Disposed |
| March 10, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 5,700 | Disposed |
| March 10, 2019 | CERS | Restricted Stock Unit | Common Stock | · | · | 5,700 | Disposed |
| March 12, 2018 | CERS | Restricted Stock Unit | Common Stock | · | · | 7,500 | Disposed |
| March 10, 2018 | CERS | Restricted Stock Unit | Common Stock | · | · | 5,701 | Disposed |
| March 1, 2018 | CERS | Option (Right to Buy) | Common Stock | $4.32 | Feb. 28, 2028 | 95,000 | Acquired |
| March 1, 2018 | CERS | Restricted Stock Unit | Common Stock | · | · | 47,500 | Acquired |
| March 10, 2017 | CERS | Restricted Stock Unit | Common Stock | · | · | 5,701 | Disposed |
| March 1, 2017 | CERS | Restricted Stock Unit | Common Stock | · | · | 22,500 | Acquired |
| March 1, 2017 | CERS | Option (Right to Buy) | Common Stock | $4.33 | Feb. 28, 2027 | 100,000 | Acquired |
| March 1, 2016 | CERS | Restricted Stock Unit | Common Stock | · | · | 18,000 | Acquired |
| March 1, 2016 | CERS | Option (Right to Buy) | Common Stock | $5.06 | Feb. 28, 2026 | 90,000 | Acquired |
| March 2, 2015 | CERS | Option (Right to Buy) | Common Stock | $4.46 | March 1, 2025 | 150,000 | Acquired |
| March 3, 2014 | CERS | Option (Right to Buy) | Common Stock | $6.28 | March 2, 2024 | 115,000 | Acquired |
| Jan. 2, 2013 | CERS | Option (Right to Buy) | Common Stock | $3.19 | Jan. 1, 2023 | 130,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
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 | $487,076 | · | $866,753 | · | $265,656 | · | $2,772 | $1,622,257 |
| 2024 | $468,530 | $46,384 | $588,600 | · | · | · | $1,242 | $1,104,756 |
| 2023 | $464,776 | · | $738,600 | · | $105,419 | · | $1,292 | $1,310,087 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.