Barbara Klencke
Insider
First SEC filing: March 5, 2026 · Latest: March 5, 2026
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 16, 2026 | XNCR | A | 20,604 | · | · | 20,604 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2026 | XNCR | A | 10,302 | · | · | 29,974 Direct | +52.37% | Acquired | (price as of 2026-10-05) |
| May 20, 2026 | TCRX | A | 67,000 | · | · | 67,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 16, 2026 | ALXO | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-05) |
| March 3, 2026 | ALXO | A | 700,000 | · | · | 700,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 17, 2025 | ALXO | A | 300,000 | · | · | 300,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2025 | TCRX | A | 67,000 | · | · | 67,000 Direct | · | Acquired | (price as of 2026-10-05) |
| June 12, 2025 | XNCR | A | 27,372 | · | · | 27,372 Direct | · | Acquired | (price as of 2026-10-05) |
| June 12, 2025 | XNCR | A | 13,686 | · | · | 19,672 Direct | +228.63% | Acquired | (price as of 2026-10-05) |
| Jan. 21, 2025 | ALXO | A | 40,400 | · | · | 40,400 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 23, 2024 | TCRX | P | 5,000 | $5.29 | $26,450 | 45,000 Direct | +12.50% | Acquired | -94.4% (price as of 2026-10-05) |
| Aug. 26, 2024 | TCRX | P | 5,000 | $5.53 | $27,650 | 40,000 Direct | +14.29% | Acquired | -94.7% (price as of 2026-10-05) |
| Aug. 23, 2024 | TCRX | P | 5,000 | $5.69 | $28,450 | 35,000 Direct | +16.67% | Acquired | -94.8% (price as of 2026-10-05) |
| June 13, 2024 | XNCR | A | 11,971 | · | · | 11,971 Direct | · | Acquired | (price as of 2026-10-05) |
| June 13, 2024 | XNCR | A | 5,986 | · | · | 5,986 Direct | · | Acquired | (price as of 2026-10-05) |
| June 12, 2024 | TCRX | A | 47,500 | · | · | 47,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2023 | TCRX | P | 5,000 | $5.08 | $25,400 | 30,000 Direct | +20.00% | Acquired | -94.2% (price as of 2026-10-05) |
| Sept. 15, 2023 | XNCR | A | 40,070 | · | · | 40,070 Direct | · | Acquired | (price as of 2026-10-05) |
| June 13, 2023 | TCRX | A | 36,524 | · | · | 36,524 Direct | · | Acquired | (price as of 2026-10-05) |
| April 6, 2023 | TCRX | A | 9,146 | · | · | 9,146 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 |
|---|---|---|---|---|---|---|---|
| June 16, 2026 | XNCR | Stock Option (Right to Buy) | Common Stock | $12.20 | June 15, 2036 | 20,604 | Acquired |
| May 20, 2026 | TCRX | Stock Option (Right to Buy) | Voting Common Stock | $0.99 | May 20, 2036 | 67,000 | Acquired |
| April 16, 2026 | ALXO | Stock option (right to buy) | Common Stock | $1.68 | April 15, 2036 | 100,000 | Acquired |
| March 3, 2026 | ALXO | Stock option (right to buy) | Common Stock | $2.07 | March 2, 2036 | 700,000 | Acquired |
| Sept. 17, 2025 | ALXO | Stock option (right to buy) | Common Stock | $1.05 | Sept. 16, 2035 | 300,000 | Acquired |
| June 30, 2025 | TCRX | Stock Option (Right to Buy) | Voting Common Stock | $1.45 | June 30, 2035 | 67,000 | Acquired |
| June 12, 2025 | XNCR | Stock Option (Right to Buy) | Common Stock | $9.43 | June 11, 2035 | 27,372 | Acquired |
| Jan. 21, 2025 | ALXO | Stock Option (right to buy) | Common Stock | $1.65 | Jan. 20, 2035 | 40,400 | Acquired |
| June 13, 2024 | XNCR | Stock Option (Right to Buy) | Common Stock | $21.31 | June 12, 2034 | 11,971 | Acquired |
| June 12, 2024 | TCRX | Stock Option (Right to Buy) | Voting Common Stock | $8.88 | June 11, 2034 | 47,500 | Acquired |
| Sept. 15, 2023 | XNCR | Stock Option (Right to Buy) | Common Stock | $20.69 | Sept. 15, 2033 | 40,070 | Acquired |
| June 13, 2023 | TCRX | Stock Option (Right to Buy) | Voting Common Stock | $2.66 | June 12, 2033 | 36,524 | Acquired |
| April 6, 2023 | TCRX | Stock Option (Right to Buy) | Voting Common Stock | $2.20 | April 5, 2033 | 9,146 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 5, 2026 | ALXO | Common Stock | 60,000 | Direct |
| March 5, 2026 | ALXO | Common Stock | 60,000 | Indirect |
| March 5, 2026 | ALXO | Stock option (right to buy) | 40,400 | Direct |
| March 5, 2026 | ALXO | Stock option (right to buy) | 300,000 | Direct |
| March 5, 2026 | ALXO | Stock option (right to buy) | 100,000 | Direct |
| Jan. 23, 2025 | ALXO | Common Stock | 60,000 | Direct |
| Jan. 23, 2025 | ALXO | Common Stock | 60,000 | Indirect |
| April 10, 2023 | TCRX | Voting Common Stock | 25,000 | Direct |
| April 10, 2023 | TCRX | Voting Common Stock | 25,000 | Indirect |