Gad Soffer
First SEC filing: Sept. 10, 2025 · Latest: Sept. 10, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 10, 2025 | LBRX | D | 26,893 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 10, 2025 | LBRX | A | 26,893 | · | · | 26,893 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 10, 2025 | LBRX | A | 229,860 | · | · | 229,860 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 22, 2018 | ATRA | F | 22,158 | $39.85 | $882,996 | 243,966 Direct | -8.33% | Disposed | -99.0% (price as of 2026-10-02) |
| Aug. 15, 2018 | ATRA | F | 382 | $35.90 | $13,714 | 266,124 Direct | -0.14% | Disposed | -98.9% (price as of 2026-10-02) |
| May 15, 2018 | ATRA | F | 382 | $45.90 | $17,534 | 266,506 Direct | -0.14% | Disposed | -99.2% (price as of 2026-10-02) |
| Feb. 15, 2018 | ATRA | M | 2,764 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2018 | ATRA | F | 1,456 | $47.05 | $68,505 | 266,888 Direct | -0.54% | Disposed | -99.2% (price as of 2026-10-02) |
| Feb. 15, 2018 | ATRA | M | 2,764 | · | · | 268,344 Direct | +1.04% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2018 | ATRA | F | 4,169 | $41.70 | $173,847 | 265,580 Direct | -1.55% | Disposed | -99.1% (price as of 2026-10-02) |
| Feb. 6, 2018 | ATRA | A | 35,000 | · | · | 35,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2018 | ATRA | F | 3,987 | $35.80 | $142,735 | 269,749 Direct | -1.46% | Disposed | -98.9% (price as of 2026-10-02) |
| Feb. 6, 2018 | ATRA | A | 17,500 | · | · | 273,736 Direct | +6.83% | Acquired | (price as of 2026-10-02) |
| Nov. 17, 2017 | ATRA | S 10b5-1 | 7,000 | $15.00 | $105,000 | 256,236 Direct | -2.66% | Disposed | -97.5% (price as of 2026-10-02) |
| Nov. 15, 2017 | ATRA | M | 4,146 | · | · | 2,764 Direct | -60.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2017 | ATRA | M | 4,146 | · | · | 263,236 Direct | +1.60% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2017 | ATRA | S | 2,464 | $14.53 | $35,802 | 259,090 Direct | -0.94% | Disposed | -97.4% (price as of 2026-10-02) |
| Aug. 15, 2017 | ATRA | M | 4,145 | · | · | 6,910 Direct | -37.49% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2017 | ATRA | M | 4,145 | · | · | 261,554 Direct | +1.61% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2017 | ATRA | S 10b5-1 | 7,000 | $15.00 | $105,000 | 257,409 Direct | -2.65% | Disposed | -97.5% (price as of 2026-10-02) |
| May 16, 2017 | ATRA | S | 5,674 | $15.19 | $86,188 | 264,409 Direct | -2.10% | Disposed | -97.5% (price as of 2026-10-02) |
| May 15, 2017 | ATRA | M | 4,146 | · | · | 11,055 Direct | -27.27% | Disposed | (price as of 2026-10-02) |
| May 15, 2017 | ATRA | M | 6,410 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 15, 2017 | ATRA | M | 4,146 | · | · | 270,083 Direct | +1.56% | Acquired | (price as of 2026-10-02) |
| May 15, 2017 | ATRA | M | 6,410 | · | · | 265,937 Direct | +2.47% | Acquired | (price as of 2026-10-02) |
| May 15, 2017 | ATRA | S 10b5-1 | 7,000 | $15.13 | $105,910 | 259,527 Direct | -2.63% | Disposed | -97.5% (price as of 2026-10-02) |
| March 10, 2017 | ATRA | S 10b5-1 | 2,500 | $20.00 | $50,000 | 266,527 Direct | -0.93% | Disposed | -98.1% (price as of 2026-10-02) |
| Feb. 16, 2017 | ATRA | S | 7,273 | $15.62 | $113,604 | 269,027 Direct | -2.63% | Disposed | -97.6% (price as of 2026-10-02) |
| Feb. 15, 2017 | ATRA | M | 4,146 | · | · | 15,201 Direct | -21.43% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2017 | ATRA | M | 9,616 | · | · | 6,410 Direct | -60.00% | Disposed | (price as of 2026-10-02) |
| Feb. 15, 2017 | ATRA | M | 4,146 | · | · | 276,300 Direct | +1.52% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2017 | ATRA | M | 9,616 | · | · | 272,154 Direct | +3.66% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2017 | ATRA | S 10b5-1 | 7,000 | $15.22 | $106,540 | 262,538 Direct | -2.60% | Disposed | -97.5% (price as of 2026-10-02) |
| Feb. 10, 2017 | ATRA | S | 400 | $16.13 | $6,452 | 269,538 Direct | -0.15% | Disposed | -97.6% (price as of 2026-10-02) |
| Feb. 10, 2017 | ATRA | S | 5,874 | $15.42 | $90,577 | 269,938 Direct | -2.13% | Disposed | -97.5% (price as of 2026-10-02) |
| Feb. 6, 2017 | ATRA | A | 45,000 | · | · | 275,812 Direct | +19.50% | Acquired | (price as of 2026-10-02) |
| Nov. 17, 2016 | ATRA | S 10b5-1 | 1,480 | $18.41 | $27,247 | 230,812 Direct | -0.64% | Disposed | -97.9% (price as of 2026-10-02) |
| Nov. 16, 2016 | ATRA | S | 7,136 | $19.27 | $137,511 | 232,292 Direct | -2.98% | Disposed | -98.0% (price as of 2026-10-02) |
| Nov. 15, 2016 | ATRA | M | 4,146 | · | · | 19,347 Direct | -17.65% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | ATRA | M | 9,615 | · | · | 16,026 Direct | -37.50% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | ATRA | M | 4,146 | · | · | 239,428 Direct | +1.76% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2016 | ATRA | M | 9,615 | · | · | 235,282 Direct | +4.26% | Acquired | (price as of 2026-10-02) |
| Nov. 14, 2016 | ATRA | S 10b5-1 | 9,582 | $20.55 | $196,910 | 225,667 Direct | -4.07% | Disposed | -98.2% (price as of 2026-10-02) |
| Sept. 22, 2016 | ATRA | A | 90,000 | · | · | 235,249 Direct | +61.96% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2016 | ATRA | S | 5,256 | $22.44 | $117,945 | 145,249 Direct | -3.49% | Disposed | -98.3% (price as of 2026-10-02) |
| Aug. 16, 2016 | ATRA | S | 100 | $20.95 | $2,095 | 150,505 Direct | -0.07% | Disposed | -98.2% (price as of 2026-10-02) |
| Aug. 15, 2016 | ATRA | M | 4,145 | · | · | 23,493 Direct | -15.00% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2016 | ATRA | M | 9,616 | · | · | 25,641 Direct | -27.27% | Disposed | (price as of 2026-10-02) |
| Aug. 15, 2016 | ATRA | M | 4,145 | · | · | 150,605 Direct | +2.83% | Acquired | (price as of 2026-10-02) |
| Aug. 15, 2016 | ATRA | M | 9,616 | · | · | 146,460 Direct | +7.03% | Acquired | (price as of 2026-10-02) |
| May 17, 2016 | ATRA | S | 5,427 | $15.91 | $86,344 | 136,844 Direct | -3.81% | Disposed | -97.6% (price as of 2026-10-02) |
| May 16, 2016 | ATRA | M | 4,146 | · | · | 27,638 Direct | -13.04% | Disposed | (price as of 2026-10-02) |
| May 16, 2016 | ATRA | M | 9,615 | · | · | 35,257 Direct | -21.43% | Disposed | (price as of 2026-10-02) |
| May 16, 2016 | ATRA | M | 4,146 | · | · | 142,271 Direct | +3.00% | Acquired | (price as of 2026-10-02) |
| May 16, 2016 | ATRA | M | 9,615 | · | · | 138,125 Direct | +7.48% | Acquired | (price as of 2026-10-02) |
| Feb. 17, 2016 | ATRA | S | 3,783 | $17.13 | $64,803 | 128,510 Direct | -2.86% | Disposed | -97.8% (price as of 2026-10-02) |
| Feb. 17, 2016 | ATRA | S | 1,928 | $16.07 | $30,983 | 132,293 Direct | -1.44% | Disposed | -97.6% (price as of 2026-10-02) |
| Feb. 16, 2016 | ATRA | M | 4,146 | · | · | 31,784 Direct | -11.54% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2016 | ATRA | M | 9,615 | · | · | 44,872 Direct | -17.65% | Disposed | (price as of 2026-10-02) |
| Feb. 16, 2016 | ATRA | M | 4,146 | · | · | 134,221 Direct | +3.19% | Acquired | (price as of 2026-10-02) |
| Feb. 16, 2016 | ATRA | M | 9,615 | · | · | 130,075 Direct | +7.98% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2016 | ATRA | A | 48,447 | · | · | 120,460 Direct | +67.28% | Acquired | (price as of 2026-10-02) |
| Dec. 17, 2015 | ATRA | A | 65,000 | · | · | 65,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 17, 2015 | ATRA | S | 1,644 | $31.69 | $52,098 | 72,013 Direct | -2.23% | Disposed | -98.8% (price as of 2026-10-02) |
| Nov. 17, 2015 | ATRA | S | 5,942 | $31.09 | $184,737 | 73,657 Direct | -7.46% | Disposed | -98.8% (price as of 2026-10-02) |
| Nov. 16, 2015 | ATRA | M | 4,146 | · | · | 35,930 Direct | -10.35% | Disposed | (price as of 2026-10-02) |
| Nov. 16, 2015 | ATRA | M | 9,616 | · | · | 54,487 Direct | -15.00% | Disposed | (price as of 2026-10-02) |
| Nov. 16, 2015 | ATRA | M | 4,146 | · | · | 79,599 Direct | +5.49% | Acquired | (price as of 2026-10-02) |
| Nov. 16, 2015 | ATRA | M | 9,616 | · | · | 75,453 Direct | +14.61% | Acquired | (price as of 2026-10-02) |
| Aug. 18, 2015 | ATRA | S | 3,427 | $49.78 | $170,596 | 65,837 Direct | -4.95% | Disposed | -99.2% (price as of 2026-10-02) |
| Aug. 18, 2015 | ATRA | S 10b5-1 | 4,284 | $49.26 | $211,030 | 69,264 Direct | -5.82% | Disposed | -99.2% (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M 10b5-1 | 2,778 | · | · | 37,222 Direct | -6.94% | Disposed | (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M | 4,145 | · | · | 40,076 Direct | -9.37% | Disposed | (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M | 9,615 | · | · | 64,103 Direct | -13.04% | Disposed | (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | S 10b5-1 | 8,778 | $50.00 | $438,900 | 73,548 Direct | -10.66% | Disposed | -99.2% (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M 10b5-1 | 2,778 | $11.00 | $30,558 | 82,326 Direct | +3.49% | Acquired | -96.6% (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M | 4,145 | · | · | 79,548 Direct | +5.50% | Acquired | (price as of 2026-10-02) |
| Aug. 17, 2015 | ATRA | M | 9,615 | · | · | 75,403 Direct | +14.62% | Acquired | (price as of 2026-10-02) |
| May 15, 2015 | ATRA | A | 22,111 | · | · | 44,221 Direct | +100.00% | Acquired | (price as of 2026-10-02) |
| May 15, 2015 | ATRA | A | 80,128 | · | · | 73,718 Direct | · | Acquired | (price as of 2026-10-02) |
| May 15, 2015 | ATRA | F | 48,851 | $37.30 | $1,822,142 | 65,788 Direct | -42.61% | Disposed | -99.0% (price as of 2026-10-02) |
| May 15, 2015 | ATRA | M | 80,128 | · | · | 114,639 Direct | +232.18% | Acquired | (price as of 2026-10-02) |
| May 15, 2015 | ATRA | M | 22,111 | · | · | 34,511 Direct | +178.31% | Acquired | (price as of 2026-10-02) |
| Jan. 16, 2015 | ATRA | M | 41,333 | · | · | 41,333 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 16, 2015 | ATRA | A | 12,400 | · | · | 12,400 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 21, 2014 | ATRA | A | 66,332 | · | · | 66,332 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 21, 2014 | ATRA | A | 153,846 | · | · | 153,846 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 15, 2014 | ATRA | M | 40,000 | · | · | 40,000 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $41.84 | Feb. 10, 2035 | 26,893 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Feb. 10, 2035 | 26,893 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Sept. 9, 2035 | 229,860 | Acquired |
| Feb. 15, 2018 | ATRA | Restricted Stock Units | Common Stock | · | · | 2,764 | Disposed |
| Feb. 6, 2018 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $35.80 | Feb. 6, 2025 | 35,000 | Acquired |
| Nov. 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| Aug. 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,145 | Disposed |
| May 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| May 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 6,410 | Disposed |
| Feb. 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| Feb. 15, 2017 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,616 | Disposed |
| Nov. 15, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| Nov. 15, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,615 | Disposed |
| Aug. 15, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,145 | Disposed |
| Aug. 15, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,616 | Disposed |
| May 16, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| May 16, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,615 | Disposed |
| Feb. 16, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| Feb. 16, 2016 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,615 | Disposed |
| Dec. 17, 2015 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $22.72 | Dec. 17, 2022 | 65,000 | Acquired |
| Nov. 16, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,146 | Disposed |
| Nov. 16, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,616 | Disposed |
| Aug. 17, 2015 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $11.00 | Oct. 24, 2021 | 2,778 | Disposed |
| Aug. 17, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 4,145 | Disposed |
| Aug. 17, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 9,615 | Disposed |
| May 15, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 22,111 | Acquired |
| May 15, 2015 | ATRA | Restricted Stock Units | Common Stock | · | · | 80,128 | Acquired |
| Jan. 16, 2015 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $25.15 | Jan. 16, 2022 | 41,333 | Acquired |
| Oct. 21, 2014 | ATRA | Restricted Stock Unit | Common Stock | · | · | 66,332 | Acquired |
| Oct. 21, 2014 | ATRA | Restricted Stock Unit | Common Stock | · | · | 153,846 | Acquired |
| Oct. 15, 2014 | ATRA | Employee Stock Option (Right to Buy) | Common Stock | $11.00 | Oct. 14, 2021 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | 26,893 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2016 | $358,800 | $131,321 | $2,605,894 | · | · | · | $2,027 | $3,098,042 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | · | · | · | · | · | · | · | · |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.