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United States Biotechnology & Medical Research

ALX Oncology Holdings Inc (ALXO)

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Ticker: ALXO Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Lettmann Jason
CHIEF EXECUTIVE OFFICER
1 sale — total 26,715 USD
Sale 19 Mar 2026
Value US$4,051,437.13 | Price 81.82 | Shares 29,921
Sale 19 Mar 2026
Value US$1,628,586.08 | Price 78.83 | Shares 52,274
Sale 18 Feb 2026
Value US$1,282.55 | Price 2.27 | Shares 565
Buy 2 Feb 2026
Value US$4,999,999.41 | Price 1.57 | Shares 3,184,713
Planned sale 6 Jan 2026
Value US$4,356.75 | Price 1.11 | Shares 3,925
Buy 17 Sep 2025
Value US$76,891.62 | Price 1.08 | Shares 71,163
Buy 16 Sep 2025
Value US$22,460.62 | Price 1.07 | Shares 21,070
Buy 18 Aug 2025
Value US$58,402.50 | Price 0.78 | Shares 75,000
Planned sale 15 Aug 2025
Value US$391.28 | Price 0.64 | Shares 611
Planned sale 15 Aug 2025
Value US$1,525.43 | Price 0.64 | Shares 2,382
Sale 7 Jul 2025
Value US$905.15 | Price 0.45 | Shares 2,011
Sale 30 Jun 2025
Value US$658.76 | Price 0.43 | Shares 1,532
Planned sale 19 Feb 2025
Value US$2,483.28 | Price 1.15 | Shares 2,159
Sale 19 Feb 2025
Value US$1,525.17 | Price 1.15 | Shares 1,326
Sale 19 Feb 2025
Value US$632.61 | Price 1.15 | Shares 550
Sale 6 Jan 2025
Value US$3,997.80 | Price 1.80 | Shares 2,221
Sale 30 Dec 2024
Value US$2,253.37 | Price 1.58 | Shares 1,426
Sale 30 Dec 2024
Value US$17,059.84 | Price 1.58 | Shares 10,796
Buy 2 Dec 2024
Value US$46,404.00 | Price 1.55 | Shares 30,000
Sale 14 Aug 2024
Value US$3,521.70 | Price 2.58 | Shares 1,365
Sale 14 Aug 2024
Value US$1,455.12 | Price 2.58 | Shares 564
Sale 14 Aug 2024
Value US$4,997.46 | Price 2.58 | Shares 1,937
Planned sale 11 Jul 2024
Value US$158,076.00 | Price 7.90 | Shares 20,000
Proposed sale 11 Jul 2024
Value US$135,200.00 | Price 6.76 | Shares 20,000
Sale 5 Jul 2024
Value US$10,025.22 | Price 5.50 | Shares 1,823
Sale 1 Jul 2024
Value US$62,598.65 | Price 5.82 | Shares 10,758
Sale 1 Jul 2024
Value US$19,044.93 | Price 5.82 | Shares 3,273
Planned sale 1 Jul 2024
Value US$7,989.21 | Price 5.82 | Shares 1,373
Buy 13 Jun 2024
Value US$102,338.40 | Price 8.53 | Shares 12,000
Planned sale 4 Jun 2024
Value US$168,652.00 | Price 8.43 | Shares 20,000
Proposed sale 4 Jun 2024
Value US$179,200.00 | Price 8.96 | Shares 20,000
Planned sale 13 May 2024
Value US$29,958.87 | Price 16.67 | Shares 1,797
Planned sale 13 May 2024
Value US$161,379.83 | Price 15.82 | Shares 10,203
Proposed sale 13 May 2024
Value US$1,264,380.00 | Price 16.21 | Shares 78,000
Planned sale 6 May 2024
Value US$318,334.00 | Price 15.92 | Shares 20,000
Proposed sale 6 May 2024
Value US$307,200.00 | Price 15.36 | Shares 20,000
Planned sale 16 Apr 2024
Value US$710,195.00 | Price 14.20 | Shares 50,000
Proposed sale 16 Apr 2024
Value US$644,500.00 | Price 12.89 | Shares 50,000
Planned sale 4 Apr 2024
Value US$223,036.00 | Price 11.15 | Shares 20,000
Proposed sale 4 Apr 2024
Value US$216,000.00 | Price 10.80 | Shares 20,000
Buy 14 Mar 2024
Value US$49,771.48 | Price 11.31 | Shares 4,400
Sale 4 Jan 2024
Value US$36,956.63 | Price 13.60 | Shares 2,717
Planned sale 29 Dec 2023
Value US$28,470.72 | Price 15.04 | Shares 1,893
Sale 29 Dec 2023
Value US$107,972.16 | Price 15.04 | Shares 7,179
Planned sale 29 Dec 2023
Value US$24,530.24 | Price 15.04 | Shares 1,631
Sale 29 Dec 2023
Value US$47,045.12 | Price 15.04 | Shares 3,128
Sale 6 Jul 2023
Value US$47,889.40 | Price 6.52 | Shares 7,345
Sale 30 Jun 2023
Value US$11,780.70 | Price 7.34 | Shares 1,605
Sale 30 Jun 2023
Value US$23,546.72 | Price 7.34 | Shares 3,208
Planned sale 30 Jun 2023
Value US$3,420.44 | Price 7.34 | Shares 466
Planned sale 30 Jun 2023
Value US$6,510.58 | Price 7.34 | Shares 887
Planned sale 29 Dec 2022
Value US$5,335.69 | Price 11.07 | Shares 482
Sale 29 Dec 2022
Value US$17,900.84 | Price 11.07 | Shares 1,617
Sale 29 Dec 2022
Value US$35,778.56 | Price 11.07 | Shares 3,232
Planned sale 29 Dec 2022
Value US$9,885.60 | Price 11.07 | Shares 893
Sale 13 Dec 2021
Value US$1,813.80 | Price 30.23 | Shares 60
Sale 13 Dec 2021
Value US$13,301.20 | Price 30.23 | Shares 440
Sale 13 Dec 2021
Value US$5,357.60 | Price 29.60 | Shares 181
Sale 13 Dec 2021
Value US$39,338.40 | Price 29.60 | Shares 1,329
Sale 13 Dec 2021
Value US$8,482.63 | Price 28.37 | Shares 299
Sale 13 Dec 2021
Value US$62,300.52 | Price 28.37 | Shares 2,196
Sale 13 Dec 2021
Value US$35,627.04 | Price 27.49 | Shares 1,296
Sale 13 Dec 2021
Value US$261,402.41 | Price 27.49 | Shares 9,509
Sale 13 Dec 2021
Value US$61,936.72 | Price 26.48 | Shares 2,339
Sale 13 Dec 2021
Value US$454,635.12 | Price 26.48 | Shares 17,169
Sale 13 Dec 2021
Value US$41,146.83 | Price 25.29 | Shares 1,627
Sale 13 Dec 2021
Value US$302,089.05 | Price 25.29 | Shares 11,945
Sale 13 Dec 2021
Value US$1,813.80 | Price 30.23 | Shares 60
Sale 13 Dec 2021
Value US$13,301.20 | Price 30.23 | Shares 440
Sale 13 Dec 2021
Value US$5,357.60 | Price 29.60 | Shares 181
Sale 13 Dec 2021
Value US$39,338.40 | Price 29.60 | Shares 1,329
Sale 13 Dec 2021
Value US$8,482.63 | Price 28.37 | Shares 299
Sale 13 Dec 2021
Value US$62,300.52 | Price 28.37 | Shares 2,196
Sale 13 Dec 2021
Value US$35,627.04 | Price 27.49 | Shares 1,296
Sale 13 Dec 2021
Value US$7,875,775.04 | Price 27.49 | Shares 286,496
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-23 2026-03-19 S Sale
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
29,921 +28.0%
81.82
US$4,051,437 		29,921 +28.0% 81.82 US$4,051,437
2026-03-23 2026-03-19 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
52,274 +4.7%
78.83
US$1,628,586 		52,274 +4.7% 78.83 US$1,628,586
2026-02-20 2026-02-18 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
18,681 +7.7%
146.39
US$3,333,726 		18,681 +7.7% 146.39 US$3,333,726
2026-02-04 2026-02-02 B Purchase
3.1
GOODMAN COREY S
Non-Executive Director Large shareholder
3,184,713 +60.5%
1.57
US$4,999,999 		3,184,713 +60.5% 1.57 US$4,999,999
2026-01-07 2026-01-06 PlS Planned sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
3,925 -4.3%
1.11
US$4,357 		3,925 -4.3% 1.11 US$4,357
2025-09-18 2025-09-17 B Purchase
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
71,163 +30.4%
1.08
US$76,892 		71,163 +30.4% 1.08 US$76,892
2025-09-18 2025-09-16 B Purchase
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
21,070 +9.9%
1.07
US$22,461 		21,070 +9.9% 1.07 US$22,461
2025-08-20 2025-08-18 B Purchase
3.4
Shantharam Harish

Chief Financial Officer

Officer
75,000 +inf%
0.78
US$58,402 		75,000 +inf% 0.78 US$58,402
2025-08-19 2025-08-15 PlS Planned sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
611 -0.7%
0.64
US$391 		611 -0.7% 0.64 US$391
2025-08-19 2025-08-15 PlS Planned sale
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
2,382 -1.1%
0.64
US$1,525 		2,382 -1.1% 0.64 US$1,525
2025-07-08 2025-07-07 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
2,011 -2.3%
0.45
US$905 		2,011 -2.3% 0.45 US$905
2025-07-01 2025-06-30 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
1,532 -1.7%
0.43
US$659 		1,532 -1.7% 0.43 US$659
2025-02-21 2025-02-19 PlS Planned sale
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
2,159 -1.3%
1.15
US$2,483 		2,159 -1.3% 1.15 US$2,483
2025-02-21 2025-02-19 S Sale
4.2
Pons Jaume

PRESIDENT & CSO

Officer
1,326 -0.2%
1.15
US$1,525 		1,326 -0.2% 1.15 US$1,525
2025-02-21 2025-02-19 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
550 -0.6%
1.15
US$633 		550 -0.6% 1.15 US$633
2025-01-08 2025-01-06 S Sale
3.4
Pinto Shelly

Interim CFO

Officer
2,221 -2.5%
1.80
US$3,998 		2,221 -2.5% 1.80 US$3,998
2025-01-02 2024-12-30 S Sale
3.4
Pinto Shelly

Interim CFO

Officer
1,426 -1.6%
1.58
US$2,253 		1,426 -1.6% 1.58 US$2,253
2025-01-02 2024-12-30 S Sale
4.2
Pons Jaume

PRESIDENT & CSO

Officer
10,796 -1.8%
1.58
US$17,060 		10,796 -1.8% 1.58 US$17,060
2024-12-04 2024-12-02 B Purchase
1.2
Hemrajani Rekha
Non-Executive Director
30,000 +1000.0%
1.55
US$46,404 		30,000 +1000.0% 1.55 US$46,404
2024-08-16 2024-08-14 S Sale
4.4
Randolph Sophia

CHIEF MEDICAL OFFICER

Officer
1,365 -0.4%
2.58
US$3,522 		1,365 -0.4% 2.58 US$3,522
2024-08-16 2024-08-14 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
564 -0.6%
2.58
US$1,455 		564 -0.6% 2.58 US$1,455
2024-08-16 2024-08-14 S Sale
4.2
Pons Jaume

PRESIDENT & CSO

Officer
1,937 -0.3%
2.58
US$4,997 		1,937 -0.3% 2.58 US$4,997
2024-07-15 2024-07-11 PlS Planned sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
20,000 -3.3%
7.90
US$158,076 		20,000 -3.3% 7.90 US$158,076
2024-07-11 2024-07-11 PrS Proposed sale
4.2
Pons Jaume

Officer

Officer
20,000
6.76
US$135,200 		20,000 6.76 US$135,200
2024-07-09 2024-07-05 S Sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
1,823 -1.9%
5.50
US$10,025 		1,823 -1.9% 5.50 US$10,025
2024-07-03 2024-07-01 S Sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
10,758 -1.8%
5.82
US$62,599 		10,758 -1.8% 5.82 US$62,599
2024-07-03 2024-07-01 S Sale
4.4
Randolph Sophia

CHIEF MEDICAL OFFICER

Executive Director
3,273 -1.0%
5.82
US$19,045 		3,273 -1.0% 5.82 US$19,045
2024-07-03 2024-07-01 PlS Planned sale
3.4
Pinto Shelly

SVP, FINANCE AND CAO

Officer
1,373 -1.4%
5.82
US$7,989 		1,373 -1.4% 5.82 US$7,989
2024-06-17 2024-06-13 B Purchase
0.6
GARCIA PETER S

CHIEF FINANCIAL OFFICER

Officer
12,000 +10.9%
8.53
US$102,338 		12,000 +10.9% 8.53 US$102,338
2024-06-06 2024-06-04 PlS Planned sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
20,000 -3.2%
8.43
US$168,652 		20,000 -3.2% 8.43 US$168,652
2024-06-04 2024-06-04 PrS Proposed sale
4.2
Pons Jaume

Officer

Officer
20,000
8.96
US$179,200 		20,000 8.96 US$179,200
2024-05-15 2024-05-13 PlS Planned sale
4.4
Randolph Sophia

CHIEF MEDICAL OFFICER

Executive Director
1,797 -0.5%
16.67
US$29,959 		1,797 -0.5% 16.67 US$29,959
2024-05-15 2024-05-13 PlS Planned sale
4.4
Randolph Sophia

CHIEF MEDICAL OFFICER

Executive Director
10,203 -3.0%
15.82
US$161,380 		10,203 -3.0% 15.82 US$161,380
2024-05-13 2024-05-13 PrS Proposed sale
4.4
Randolph Sophia

Officer

Officer
78,000
16.21
US$1,264,380 		78,000 16.21 US$1,264,380
2024-05-08 2024-05-06 PlS Planned sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
20,000 -3.2%
15.92
US$318,334 		20,000 -3.2% 15.92 US$318,334
2024-05-06 2024-05-06 PrS Proposed sale
4.2
Pons Jaume

Officer

Officer
20,000
15.36
US$307,200 		20,000 15.36 US$307,200
2024-04-18 2024-04-16 PlS Planned sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
50,000 -7.6%
14.20
US$710,195 		50,000 -7.6% 14.20 US$710,195
2024-04-16 2024-04-16 PrS Proposed sale
4.2
Pons Jaume

Officer

Officer
50,000
12.89
US$644,500 		50,000 12.89 US$644,500
2024-04-05 2024-04-04 PlS Planned sale
4.2
Pons Jaume

PRESIDENT & CSO

Executive Director
20,000 -3.1%
11.15
US$223,036 		20,000 -3.1% 11.15 US$223,036
2024-04-04 2024-04-04 PrS Proposed sale
4.2
Pons Jaume

Officer

Officer
20,000
10.80
US$216,000 		20,000 10.80 US$216,000
2024-03-18 2024-03-14 B Purchase
2.4
Lettmann Jason

CHIEF EXECUTIVE OFFICER

Executive Director
4,400 +2.6%
11.31
US$49,771 		4,400 +2.6% 11.31 US$49,771
2024-01-05 2024-01-04 S Sale
3.4
Pinto Shelly

SVP, Finance and CAO

Officer
2,717 -3.3%
13.60
US$36,957 		2,717 -3.3% 13.60 US$36,957
2024-01-03 2023-12-29 PlS Planned sale
0.6
GARCIA PETER S

Chief Financial Officer

Officer
1,893 -2.2%
15.04
US$28,471 		1,893 -2.2% 15.04 US$28,471
2024-01-03 2023-12-29 S Sale
4.2
Pons Jaume

President & CSO

Executive Director
7,179 -1.1%
15.04
US$107,972 		7,179 -1.1% 15.04 US$107,972
2024-01-03 2023-12-29 PlS Planned sale
3.4
Pinto Shelly

SVP, Finance and CAO

Officer
1,631 -2.0%
15.04
US$24,530 		1,631 -2.0% 15.04 US$24,530
2024-01-03 2023-12-29 S Sale
4.4
Randolph Sophia

Chief Medical Officer

Executive Director
3,128 -1.0%
15.04
US$47,045 		3,128 -1.0% 15.04 US$47,045
2023-07-07 2023-07-06 S Sale
3.4
Pinto Shelly

VP, Finance and CAO

Officer
7,345 -11.6%
6.52
US$47,889 		7,345 -11.6% 6.52 US$47,889
2023-07-05 2023-06-30 S Sale
4.4
Randolph Sophia

Chief Medical Officer

Executive Director
1,605 -0.6%
7.34
US$11,781 		1,605 -0.6% 7.34 US$11,781
2023-07-05 2023-06-30 S Sale
4.2
Pons Jaume

President & CEO

Executive Director
3,208 -0.6%
7.34
US$23,547 		3,208 -0.6% 7.34 US$23,547
2023-07-05 2023-06-30 PlS Planned sale
3.4
Pinto Shelly

VP, Finance and CAO

Officer
466 -0.7%
7.34
US$3,420 		466 -0.7% 7.34 US$3,420
2023-07-05 2023-06-30 PlS Planned sale
0.6
GARCIA PETER S

Chief Financial Officer

Officer
887 -1.6%
7.34
US$6,511 		887 -1.6% 7.34 US$6,511
2023-01-03 2022-12-29 PlS Planned sale
3.4
Pinto Shelly

VP, Finance and CAO

Officer
482 -0.8%
11.07
US$5,336 		482 -0.8% 11.07 US$5,336
2023-01-03 2022-12-29 S Sale
4.4
Randolph Sophia

Chief Medical Officer

Executive Director
1,617 -0.6%
11.07
US$17,901 		1,617 -0.6% 11.07 US$17,901
2023-01-03 2022-12-29 S Sale
4.2
Pons Jaume

President & CEO

Executive Director
3,232 -0.6%
11.07
US$35,779 		3,232 -0.6% 11.07 US$35,779
2023-01-03 2022-12-29 PlS Planned sale
0.6
GARCIA PETER S

Chief Financial Officer

Officer
893 -1.6%
11.07
US$9,886 		893 -1.6% 11.07 US$9,886
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
60 -0.0%
30.23
US$1,814 		60 -0.0% 30.23 US$1,814
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
440 -0.0%
30.23
US$13,301 		440 -0.0% 30.23 US$13,301
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
181 -0.1%
29.60
US$5,358 		181 -0.1% 29.60 US$5,358
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
1,329 -0.1%
29.60
US$39,338 		1,329 -0.1% 29.60 US$39,338
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
299 -0.1%
28.37
US$8,483 		299 -0.1% 28.37 US$8,483
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
2,196 -0.1%
28.37
US$62,301 		2,196 -0.1% 28.37 US$62,301
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
1,296 -0.5%
27.49
US$35,627 		1,296 -0.5% 27.49 US$35,627
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
9,509 -0.5%
27.49
US$261,402 		9,509 -0.5% 27.49 US$261,402
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
2,339 -0.8%
26.48
US$61,937 		2,339 -0.8% 26.48 US$61,937
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
17,169 -0.8%
26.48
US$454,635 		17,169 -0.8% 26.48 US$454,635
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
1,627 -0.6%
25.29
US$41,147 		1,627 -0.6% 25.29 US$41,147
2021-12-15 2021-12-13 S Sale
3.6
LSV Associates, LLC
Large shareholder
11,945 -0.6%
25.29
US$302,089 		11,945 -0.6% 25.29 US$302,089
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
60 -0.0%
30.23
US$1,814 		60 -0.0% 30.23 US$1,814
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
440 -0.0%
30.23
US$13,301 		440 -0.0% 30.23 US$13,301
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
181 -0.1%
29.60
US$5,358 		181 -0.1% 29.60 US$5,358
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
1,329 -0.1%
29.60
US$39,338 		1,329 -0.1% 29.60 US$39,338
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
299 -0.1%
28.37
US$8,483 		299 -0.1% 28.37 US$8,483
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
2,196 -0.1%
28.37
US$62,301 		2,196 -0.1% 28.37 US$62,301
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
1,296 -0.5%
27.49
US$35,627 		1,296 -0.5% 27.49 US$35,627
2021-12-15 2021-12-13 S Sale
2.4
Lettmann Jason
Non-Executive Director Large shareholder
286,496 -12.0%
27.49
US$7,875,775 		286,496 -12.0% 27.49 US$7,875,775
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