Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 31 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

31 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Feb. 19, 2025 ALXO S 1,326 $1.15 $1,525 579,388 Direct -0.23% Disposed 0.0% (price as of 2026-10-05)
Dec. 30, 2024 ALXO S 10,796 $1.58 $17,058 580,714 Direct -1.83% Disposed -27.2% (price as of 2026-10-05)
Aug. 14, 2024 ALXO S 1,937 $2.58 $4,997 591,510 Direct -0.33% Disposed -55.4% (price as of 2026-10-05)
July 11, 2024 ALXO S 10b5-1 20,000 $7.90 $158,000 593,447 Direct -3.26% Disposed -85.4% (price as of 2026-10-05)
July 1, 2024 ALXO S 10,758 $5.82 $62,612 593,447 Direct -1.78% Disposed -80.2% (price as of 2026-10-05)
June 4, 2024 ALXO S 10b5-1 20,000 $8.43 $168,600 604,205 Direct -3.20% Disposed -86.4% (price as of 2026-10-05)
May 6, 2024 ALXO S 10b5-1 20,000 $15.92 $318,400 604,205 Direct -3.20% Disposed -92.8% (price as of 2026-10-05)
April 16, 2024 ALXO S 10b5-1 50,000 $14.20 $710,000 604,205 Direct -7.64% Disposed -91.9% (price as of 2026-10-05)
April 4, 2024 ALXO S 10b5-1 20,000 $11.15 $223,000 628,359 Direct -3.08% Disposed -89.7% (price as of 2026-10-05)
Dec. 29, 2023 ALXO S 7,179 $15.04 $107,972 618,359 Direct -1.15% Disposed -92.4% (price as of 2026-10-05)
June 30, 2023 ALXO S 3,208 $7.34 $23,547 536,538 Direct -0.59% Disposed -84.3% (price as of 2026-10-05)
Dec. 29, 2022 ALXO S 3,232 $11.07 $35,778 539,746 Direct -0.60% Disposed -89.6% (price as of 2026-10-05)
Oct. 19, 2021 ALXO S 10b5-1 14,471 $54.17 $783,894 446,827 Direct -3.14% Disposed -97.9% (price as of 2026-10-05)
Oct. 19, 2021 ALXO S 10b5-1 2,229 $55.12 $122,862 444,598 Direct -0.50% Disposed -97.9% (price as of 2026-10-05)
Oct. 19, 2021 ALXO S 10b5-1 2,229 $55.12 $122,862 444,598 Direct -0.50% Disposed -97.9% (price as of 2026-10-05)
Oct. 19, 2021 ALXO S 10b5-1 14,471 $54.17 $783,894 446,827 Direct -3.14% Disposed -97.9% (price as of 2026-10-05)
Sept. 20, 2021 ALXO S 10b5-1 235 $76.46 $17,968 461,298 Direct -0.05% Disposed -98.5% (price as of 2026-10-05)
Sept. 20, 2021 ALXO S 10b5-1 1,714 $75.46 $129,338 461,533 Direct -0.37% Disposed -98.5% (price as of 2026-10-05)
Sept. 20, 2021 ALXO S 10b5-1 10,322 $74.42 $768,163 463,247 Direct -2.18% Disposed -98.5% (price as of 2026-10-05)
Sept. 20, 2021 ALXO S 10b5-1 4,429 $73.78 $326,772 473,569 Direct -0.93% Disposed -98.4% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 617 $66.24 $40,870 477,998 Direct -0.13% Disposed -98.3% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 1,373 $65.60 $90,069 478,615 Direct -0.29% Disposed -98.2% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 556 $64.22 $35,706 479,988 Direct -0.12% Disposed -98.2% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 1,190 $62.84 $74,780 480,544 Direct -0.25% Disposed -98.2% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 1,324 $61.91 $81,969 481,734 Direct -0.27% Disposed -98.1% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 4,007 $60.78 $243,545 483,058 Direct -0.82% Disposed -98.1% (price as of 2026-10-05)
Aug. 19, 2021 ALXO S 10b5-1 7,633 $59.79 $456,377 487,065 Direct -1.54% Disposed -98.1% (price as of 2026-10-05)
July 19, 2021 ALXO S 10b5-1 5,900 $55.08 $324,972 494,546 Direct -1.18% Disposed -97.9% (price as of 2026-10-05)
July 19, 2021 ALXO S 10b5-1 9,500 $54.37 $516,515 500,446 Direct -1.86% Disposed -97.9% (price as of 2026-10-05)
July 19, 2021 ALXO S 10b5-1 1,300 $53.62 $69,706 509,946 Direct -0.25% Disposed -97.9% (price as of 2026-10-05)
June 21, 2021 ALXO S 10b5-1 10,353 $58.92 $609,999 511,246 Direct -1.98% Disposed -98.0% (price as of 2026-10-05)
June 21, 2021 ALXO S 10b5-1 6,347 $58.06 $368,507 521,599 Direct -1.20% Disposed -98.0% (price as of 2026-10-05)
May 19, 2021 ALXO S 10b5-1 979 $56.71 $55,519 527,946 Direct -0.19% Disposed -98.0% (price as of 2026-10-05)
May 19, 2021 ALXO S 10b5-1 15,221 $55.69 $847,657 528,925 Direct -2.80% Disposed -97.9% (price as of 2026-10-05)
May 19, 2021 ALXO S 10b5-1 500 $54.20 $27,100 544,146 Direct -0.09% Disposed -97.9% (price as of 2026-10-05)
April 19, 2021 ALXO S 10b5-1 837 $60.48 $50,622 544,646 Direct -0.15% Disposed -98.1% (price as of 2026-10-05)
April 19, 2021 ALXO S 10b5-1 663 $59.52 $39,462 545,483 Direct -0.12% Disposed -98.1% (price as of 2026-10-05)
April 19, 2021 ALXO S 10b5-1 2,914 $58.36 $170,061 546,146 Direct -0.53% Disposed -98.0% (price as of 2026-10-05)
April 19, 2021 ALXO S 10b5-1 6,956 $57.73 $401,570 549,060 Direct -1.25% Disposed -98.0% (price as of 2026-10-05)
April 19, 2021 ALXO S 10b5-1 5,330 $56.42 $300,719 556,016 Direct -0.95% Disposed -98.0% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 600 $70.12 $42,072 551,346 Direct -0.11% Disposed -98.4% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 9,200 $69.77 $641,884 551,946 Direct -1.64% Disposed -98.4% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 2,700 $68.27 $184,329 561,146 Direct -0.48% Disposed -98.3% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 1,500 $67.18 $100,770 563,846 Direct -0.27% Disposed -98.3% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 600 $66.32 $39,792 565,346 Direct -0.11% Disposed -98.3% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 900 $64.98 $58,482 565,946 Direct -0.16% Disposed -98.2% (price as of 2026-10-05)
March 22, 2021 ALXO S 10b5-1 1,200 $63.79 $76,548 566,846 Direct -0.21% Disposed -98.2% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Jan. 21, 2025 ALXO Employee Stock Option (right to buy) Common Stock (50,000) $1.65 Jan. 20, 2035 50,000 Acquired
July 11, 2024 ALXO Employee Stock Option (right to buy) Common Stock (20,000) $0.99 March 30, 2027 20,000 Disposed
June 4, 2024 ALXO Employee Stock Option (right to buy) Common Stock (20,000) $0.99 March 30, 2027 20,000 Disposed
May 6, 2024 ALXO Employee Stock Option (right to buy) Common Stock (20,000) $0.99 March 30, 2027 20,000 Disposed
April 16, 2024 ALXO Employee Stock Option (right to buy) Common Stock (25,846) $0.99 March 30, 2027 25,846 Disposed
Feb. 14, 2024 ALXO Employee Stock Option (right to buy) Common Stock (95,000) $15.84 Feb. 13, 2034 95,000 Acquired
July 25, 2023 ALXO Employee Stock Option (right to buy) Common Stock (282,000) $5.86 July 24, 2033 282,000 Acquired
Aug. 5, 2022 ALXO Employee Stock Option (right to buy) Common Stock (244,000) $11.47 Aug. 4, 2032 244,000 Acquired
Feb. 3, 2022 ALXO Employee Stock Option (right to buy) Common Stock (12,254) $1.91 Sept. 12, 2029 12,254 Disposed
Feb. 3, 2022 ALXO Employee Stock Option (right to buy) Common Stock (11,900) $0.99 March 30, 2027 11,900 Disposed
July 30, 2021 ALXO Employee Stock Option (right to buy) Common Stock (225,000) $58.56 July 29, 2031 225,000 Acquired
March 25, 2021 ALXO Employee Stock Option (right to buy) Common Stock (10,000) $0.99 March 30, 2027 10,000 Disposed
March 22, 2021 ALXO Employee Stock Option (right to buy) Common Stock (16,700) $1.91 Sept. 12, 2029 16,700 Disposed
Jan. 26, 2021 ALXO Employee Stock Option (right to buy) Common Stock (10,000) $0.99 March 30, 2027 10,000 Disposed
July 21, 2020 ALXO Series C Convertible Preferred Stock Common Stock (5,264) · · 5,264 Disposed
July 21, 2020 ALXO Series A Convertible Preferred Stock Common Stock (1,803) · · 1,803 Disposed
July 21, 2020 ALXO Series A Convertible Preferred Stock Common Stock (20,225) · · 20,225 Disposed
July 16, 2020 ALXO Employee Stock Option (right to buy) Common Stock (272,771) $19.00 July 16, 2030 272,771 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 8 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
July 16, 2020 ALXO Common Stock 509,072 Direct
July 16, 2020 ALXO Series A Convertible Preferred Stock→ Common Stock (20,225) 20,225 Direct
July 16, 2020 ALXO Series B Convertible Preferred Stock→ Common Stock (1,803) 1,803 Direct
July 16, 2020 ALXO Series C Convertible Preferred Stock→ Common Stock (5,264) 5,264 Direct
July 16, 2020 ALXO Employee Stock Option (right to buy)→ Common Stock (262,179) 262,179 Direct
July 16, 2020 ALXO Employee Stock Option (right to buy)→ Common Stock (105,719) 105,719 Direct
July 16, 2020 ALXO Employee Stock Option (right to buy)→ Common Stock (552,533) 552,533 Direct
July 16, 2020 ALXO Employee Stock Option (right to buy)→ Common Stock (198,310) 198,310 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2023 $649,740 · · · $357,357 · · $2,745,326
2022 $583,500 · · · $272,786 · · $3,734,316
2021 $566,500 · · · $283,250 · · $10,112,978

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.