Debanjan Ray
Insider
First SEC filing: May 18, 2017 · Latest: May 18, 2017
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 25, 2019 | CTMX | A | 90,000 | · | · | 90,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 12, 2018 | CTMX | M 10b5-1 | 3,000 | $1.45 | $4,350 | 8,928 Direct | +50.61% | Acquired | 77.9% (price as of 2026-10-05) |
| Dec. 12, 2018 | CTMX | S 10b5-1 | 3,000 | $15.00 | $45,000 | 5,928 Direct | -33.60% | Disposed | -82.8% (price as of 2026-10-05) |
| Dec. 12, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 7,220 Direct | -29.35% | Disposed | (price as of 2026-10-05) |
| Nov. 1, 2018 | CTMX | M 10b5-1 | 3,000 | $1.45 | $4,350 | 8,928 Direct | +50.61% | Acquired | 77.9% (price as of 2026-10-05) |
| Nov. 1, 2018 | CTMX | S 10b5-1 | 3,000 | $15.00 | $45,000 | 5,928 Direct | -33.60% | Disposed | -82.8% (price as of 2026-10-05) |
| Nov. 1, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 10,220 Direct | -22.69% | Disposed | (price as of 2026-10-05) |
| Oct. 1, 2018 | CTMX | M 10b5-1 | 3,000 | $1.45 | $4,350 | 8,928 Direct | +50.61% | Acquired | 77.9% (price as of 2026-10-05) |
| Oct. 1, 2018 | CTMX | S 10b5-1 | 3,000 | $18.46 | $55,380 | 5,928 Direct | -33.60% | Disposed | -86.0% (price as of 2026-10-05) |
| Oct. 1, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 13,220 Direct | -18.50% | Disposed | (price as of 2026-10-05) |
| Sept. 4, 2018 | CTMX | M 10b5-1 | 3,000 | $1.45 | $4,350 | 8,928 Direct | +50.61% | Acquired | 77.9% (price as of 2026-10-05) |
| Sept. 4, 2018 | CTMX | S 10b5-1 | 3,000 | $22.39 | $67,170 | 5,928 Direct | -33.60% | Disposed | -88.5% (price as of 2026-10-05) |
| Sept. 4, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 16,220 Direct | +22.69% | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2018 | CTMX | M 10b5-1 | 290 | · | · | 19,220 Direct | +1.53% | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2018 | CTMX | M 10b5-1 | 2,710 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-05) |
| Aug. 1, 2018 | CTMX | S 10b5-1 | 3,000 | $26.05 | $78,150 | 5,928 Direct | -33.60% | Disposed | -90.1% (price as of 2026-10-05) |
| Aug. 1, 2018 | CTMX | M 10b5-1 | 290 | $1.45 | $420 | 8,928 Direct | +3.36% | Acquired | 77.9% (price as of 2026-10-05) |
| Aug. 1, 2018 | CTMX | M 10b5-1 | 2,710 | $1.26 | $3,415 | 8,638 Direct | +45.72% | Acquired | 104.8% (price as of 2026-10-05) |
| July 2, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 2,710 Direct | -52.54% | Disposed | (price as of 2026-10-05) |
| July 2, 2018 | CTMX | S 10b5-1 | 3,000 | $22.56 | $67,680 | 5,928 Direct | -33.60% | Disposed | -88.6% (price as of 2026-10-05) |
| July 2, 2018 | CTMX | M 10b5-1 | 3,000 | $1.26 | $3,780 | 8,928 Direct | +50.61% | Acquired | 104.8% (price as of 2026-10-05) |
| June 1, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 5,710 Direct | -34.44% | Disposed | (price as of 2026-10-05) |
| June 1, 2018 | CTMX | S 10b5-1 | 3,000 | $25.93 | $77,790 | 5,928 Direct | -33.60% | Disposed | -90.1% (price as of 2026-10-05) |
| June 1, 2018 | CTMX | M 10b5-1 | 3,000 | $1.26 | $3,780 | 8,928 Direct | +50.61% | Acquired | 104.8% (price as of 2026-10-05) |
| May 31, 2018 | CTMX | A | 1,187 | $17.90 | $21,247 | 5,928 Direct | +25.04% | Acquired | -85.6% (price as of 2026-10-05) |
| May 1, 2018 | CTMX | M 10b5-1 | 3,000 | · | · | 8,710 Direct | -25.62% | Disposed | (price as of 2026-10-05) |
| May 1, 2018 | CTMX | S 10b5-1 | 3,000 | $26.52 | $79,560 | 4,741 Direct | -38.75% | Disposed | -90.3% (price as of 2026-10-05) |
| May 1, 2018 | CTMX | M 10b5-1 | 3,000 | $1.26 | $3,780 | 7,741 Direct | +63.28% | Acquired | 104.8% (price as of 2026-10-05) |
| April 2, 2018 | CTMX | M | 3,000 | · | · | 11,710 Direct | -20.39% | Disposed | (price as of 2026-10-05) |
| April 2, 2018 | CTMX | S 10b5-1 | 3,000 | $28.12 | $84,360 | 4,741 Direct | -38.75% | Disposed | -90.8% (price as of 2026-10-05) |
| April 2, 2018 | CTMX | M | 3,000 | $1.26 | $3,780 | 7,741 Direct | +63.28% | Acquired | 104.8% (price as of 2026-10-05) |
| March 2, 2018 | CTMX | M | 14,485 | · | · | 20,000 Direct | -42.00% | Disposed | (price as of 2026-10-05) |
| March 2, 2018 | CTMX | M | 5,515 | · | · | 14,710 Direct | -27.27% | Disposed | (price as of 2026-10-05) |
| March 2, 2018 | CTMX | S 10b5-1 | 1,944 | $31.02 | $60,303 | 4,741 Direct | -29.08% | Disposed | -91.7% (price as of 2026-10-05) |
| March 2, 2018 | CTMX | S 10b5-1 | 12,541 | $30.41 | $381,372 | 6,685 Direct | -65.23% | Disposed | -91.5% (price as of 2026-10-05) |
| March 2, 2018 | CTMX | M | 14,485 | $1.13 | $16,368 | 19,226 Direct | +305.53% | Acquired | 128.3% (price as of 2026-10-05) |
| March 2, 2018 | CTMX | S 10b5-1 | 5,515 | $30.06 | $165,781 | 4,741 Direct | -53.77% | Disposed | -91.4% (price as of 2026-10-05) |
| March 2, 2018 | CTMX | M | 5,515 | $1.26 | $6,949 | 10,256 Direct | +116.33% | Acquired | 104.8% (price as of 2026-10-05) |
| March 1, 2018 | CTMX | M | 13,000 | · | · | 20,225 Direct | -39.13% | Disposed | (price as of 2026-10-05) |
| March 1, 2018 | CTMX | S 10b5-1 | 13,000 | $29.40 | $382,200 | 4,741 Direct | -73.28% | Disposed | -91.2% (price as of 2026-10-05) |
| March 1, 2018 | CTMX | M | 13,000 | $1.26 | $16,380 | 17,741 Direct | +274.20% | Acquired | 104.8% (price as of 2026-10-05) |
| Feb. 1, 2018 | CTMX | S 10b5-1 | 2,548 | $26.69 | $68,006 | 4,741 Direct | -34.96% | Disposed | -90.3% (price as of 2026-10-05) |
| Jan. 24, 2018 | CTMX | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2018 | CTMX | S 10b5-1 | 2,500 | $21.11 | $52,775 | 7,289 Direct | -25.54% | Disposed | -87.8% (price as of 2026-10-05) |
| Dec. 1, 2017 | CTMX | S 10b5-1 | 2,500 | $20.58 | $51,450 | 9,789 Direct | -20.34% | Disposed | -87.5% (price as of 2026-10-05) |
| Nov. 30, 2017 | CTMX | A | 163 | $12.15 | $1,980 | 12,289 Direct | +1.34% | Acquired | -78.8% (price as of 2026-10-05) |
| Nov. 1, 2017 | CTMX | S 10b5-1 | 2,500 | $20.00 | $50,000 | 12,126 Direct | -17.09% | Disposed | -87.1% (price as of 2026-10-05) |
| Oct. 2, 2017 | CTMX | S 10b5-1 | 2,500 | $18.10 | $45,250 | 14,626 Direct | -14.60% | Disposed | -85.7% (price as of 2026-10-05) |
| Sept. 1, 2017 | CTMX | S 10b5-1 | 2,500 | $17.17 | $42,925 | 17,126 Direct | -12.74% | Disposed | -85.0% (price as of 2026-10-05) |
| Aug. 9, 2017 | CTMX | S 10b5-1 | 2,500 | $15.00 | $37,500 | 19,626 Direct | -11.30% | Disposed | -82.8% (price as of 2026-10-05) |
| July 3, 2017 | CTMX | S 10b5-1 | 2,500 | $15.47 | $38,675 | 22,126 Direct | -10.15% | Disposed | -83.3% (price as of 2026-10-05) |
| May 31, 2017 | CTMX | A | 2,698 | $8.68 | $23,419 | 24,626 Direct | +12.30% | Acquired | -70.3% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 25, 2019 | CTMX | Stock Option (right to buy) | Common Stock | $16.85 | Jan. 24, 2029 | 90,000 | Acquired |
| Dec. 12, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.45 | Feb. 27, 2024 | 3,000 | Disposed |
| Nov. 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.45 | Feb. 27, 2024 | 3,000 | Disposed |
| Oct. 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.45 | Feb. 27, 2024 | 3,000 | Disposed |
| Sept. 4, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.45 | Feb. 27, 2024 | 3,000 | Acquired |
| Aug. 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.45 | Feb. 27, 2024 | 290 | Acquired |
| Aug. 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 2,710 | Acquired |
| July 2, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 3,000 | Disposed |
| June 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 3,000 | Disposed |
| May 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 3,000 | Disposed |
| April 2, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 3,000 | Disposed |
| March 2, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.13 | Sept. 13, 2021 | 14,485 | Disposed |
| March 2, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 5,515 | Disposed |
| March 1, 2018 | CTMX | Stock Option (Right to Buy) | Common Stock | $1.26 | Dec. 10, 2023 | 13,000 | Disposed |
| Jan. 24, 2018 | CTMX | Stock Option (right to buy) | Common Stock | $25.82 | Jan. 23, 2028 | 100,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 18, 2017 | CTMX | Common Stock | 21,928 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 34,485 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 33,225 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 19,510 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 30,640 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 85,938 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 41,090 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 45,000 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 97,500 | Direct |
| May 18, 2017 | CTMX | Stock Option (Right to Buy) | 30,000 | Direct |