Marc L Panoff
Insider
First SEC filing: Sept. 29, 2025 · Latest: Sept. 29, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 10, 2025 | LBRX | D | 3,944 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 3,944 | · | · | 3,944 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | D | 896 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 896 | · | · | 896 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | D | 1,255 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 1,255 | · | · | 1,255 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | D | 14,343 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 14,343 | · | · | 14,343 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | D | 7,171 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 7,171 | · | · | 7,171 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 10, 2025 | LBRX | A | 90,525 | · | · | 90,525 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 24, 2014 | TVTX | A | 100,000 | · | · | 221,100 Direct | +82.58% | Acquired | (price as of 2026-10-05) |
| Aug. 15, 2013 | TVTX | P | 1,100 | $4.50 | $4,950 | 121,100 Direct | +0.92% | Acquired | 1181.6% (price as of 2026-10-05) |
| Aug. 15, 2013 | TVTX | P | 550 | · | · | 550 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2004 | NEPH | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Nov. 11, 2004 | NEPH | A | 41,820 | · | · | 41,820 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $64.15 | Nov. 13, 2028 | 3,944 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Nov. 13, 2028 | 3,944 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $69.72 | Dec. 22, 2029 | 896 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Dec. 22, 2029 | 896 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $69.72 | Aug. 30, 2030 | 1,255 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Aug. 30, 2030 | 1,255 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $41.84 | Aug. 24, 2033 | 14,343 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Aug. 24, 2033 | 14,343 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $41.84 | June 26, 2034 | 7,171 | Disposed |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | June 26, 2034 | 7,171 | Acquired |
| Sept. 10, 2025 | LBRX | Employee Stock Option (Right to Buy) | Common Stock | $15.00 | Sept. 9, 2035 | 90,525 | Acquired |
| Aug. 15, 2013 | TVTX | Common Stock Purchase Warrants | Common Stock | $6.00 | Aug. 15, 2018 | 550 | Acquired |
| Dec. 14, 2004 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value | $4.80 | Dec. 14, 2014 | 20,000 | Acquired |
| Nov. 11, 2004 | NEPH | Non-qualified stock option (right to buy) | Common Stock $.001 par value | $2.39 | Nov. 10, 2014 | 41,820 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 29, 2025 | LBRX | Common Stock | 10,242 | Direct |
| Sept. 29, 2025 | LBRX | Employee Stock Option (Right to Buy) | 3,944 | Direct |
| Sept. 29, 2025 | LBRX | Employee Stock Option (Right to Buy) | 896 | Direct |
| Sept. 29, 2025 | LBRX | Employee Stock Option (Right to Buy) | 1,255 | Direct |
| Sept. 29, 2025 | LBRX | Employee Stock Option (Right to Buy) | 14,343 | Direct |
| Sept. 29, 2025 | LBRX | Employee Stock Option (Right to Buy) | 7,171 | Direct |
| May 24, 2013 | TVTX | Common Stock | 120,000 | Direct |
| Sept. 24, 2004 | NEPH | No securities beneficially owned | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| 2013 | $142,153 | $104,155 | $157,808 | · | · | · | · | $404,116 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.