Dudediligence.

Vir Biotechnology, Inc

VIRNASDAQ · Biological Products, (No Diagnostic Substances)
Write an idea

Insiders

Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$30.6M

34 notices · 4,289,900 sh

Oct 2025 to Oct 2026

Reported ·

$18.0M

49 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

All 49 reported sales carry the 10b5-1 box. Together they are 1.65% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-17: O'Byrne Jason, Form 1442026-09-09: O'Byrne Jason, Form 1442026-08-25: O'Byrne Jason, Form 1442026-08-24: O'Byrne Jason, Form 1442026-08-21: O'Byrne Jason, Form 1442026-06-29: Ramasastry Saira, Form 1442026-06-01: Sabatini Brent, Form 1442026-06-01: Napolitano Janet, Form 1442026-04-30: Eisner Mark, Form 1442026-04-06: De Backer Marianne, Form 1442026-03-23: Sabatini Brent, Form 1442026-03-02: VICKI LEE SATO, Form 1442026-02-25: de Verneuil Vanina, Form 1442026-02-25: Eisner Mark, Form 1442026-02-25: SVF Endurance (Cayman) Limited, Form 1442026-02-24: Eisner Mark, Form 1442026-02-24: De Backer Marianne, Form 1442026-02-24: O'Byrne Jason, Form 1442026-02-24: Sabatini Brent, Form 1442026-02-24: de Verneuil Vanina, Form 1442026-02-24: VICKI LEE SATO, Form 1442026-02-23: O'Byrne Jason, Form 1442026-02-23: Eisner Mark, Form 1442026-02-23: De Backer Marianne, Form 1442026-02-23: de Verneuil Vanina, Form 1442026-02-23: Sabatini Brent, Form 1442026-02-13: Sabatini Brent, Form 1442026-01-14: SVF Endurance (Cayman) Limited, Form 1442026-01-02: VICKI LEE SATO, Form 1442025-11-25: SVF Endurance (Cayman) Limited, Form 1442025-11-17: O'Byrne Jason, Form 1442025-11-05: de Verneuil Vanina, Form 1442025-11-03: de Verneuil Vanina, Form 1442025-10-21: SVF Endurance (Cayman) Limited, Form 1442025-10-07: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-09: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-15: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-20: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-22: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-24: SB INVESTMENT ADVISERS (UK) LTD, sold2025-10-28: SB INVESTMENT ADVISERS (UK) LTD, sold2025-11-03: SATO VICKI L, sold2025-11-03: de Verneuil Vanina, sold2025-11-05: de Verneuil Vanina, sold2025-11-17: O'Byrne Jason, sold2025-11-24: SB INVESTMENT ADVISERS (UK) LTD, sold2025-11-26: SB INVESTMENT ADVISERS (UK) LTD, sold2025-12-01: SB INVESTMENT ADVISERS (UK) LTD, sold2025-12-01: SATO VICKI L, sold2026-01-02: SATO VICKI L, sold2026-02-02: SATO VICKI L, sold2026-02-13: Sabatini Brent, sold2026-02-23: De Backer Marianne, sold2026-02-23: de Verneuil Vanina, sold2026-02-23: Eisner Mark, sold2026-02-23: O'Byrne Jason, sold2026-02-23: Sabatini Brent, sold2026-02-24: De Backer Marianne, sold2026-02-24: de Verneuil Vanina, sold2026-02-24: Eisner Mark, sold2026-02-24: O'Byrne Jason, sold2026-02-24: Sabatini Brent, sold2026-02-24: SATO VICKI L, sold2026-03-02: SATO VICKI L, sold2026-03-23: Sabatini Brent, sold2026-04-01: SATO VICKI L, sold2026-04-06: De Backer Marianne, sold2026-05-01: SATO VICKI L, sold2026-06-01: Sabatini Brent, sold2026-06-01: Napolitano Janet, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-17O'Byrne Jason, EVP & Chief Financial Officer$212,927
19,357 shplan 2026-02-22Form 4s on file end Jun 23144 ↗
2026-09-09O'Byrne Jason, EVP & Chief Financial Officer$315,241
28,333 shplan 2026-02-22Form 4s on file end Jun 23144 ↗
2026-08-25O'Byrne Jason, EVP & Chief Financial Officer$242,591
23,148 shplan 2026-02-22Form 4s on file end Jun 23144 ↗
2026-08-24O'Byrne Jason, EVP & Chief Financial Officer$142,124
14,352 shplan 2026-02-22Form 4s on file end Jun 23144 ↗
2026-08-21O'Byrne Jason, EVP & Chief Financial Officer$245,297
25,000 shplan 2026-02-22Form 4s on file end Jun 23144 ↗
2026-06-29Ramasastry Saira, Former Director$165,139
16,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-01Sabatini Brent, SVP, Chief Accounting Officer$3,582
379 shplan 2025-12-19144 ↗
Form 4, 2026-06-02: sold 379 at $9.45 Form 4 ↗
2026-06-01Napolitano Janet, Director$30,240
3,200 shplan 2025-06-27144 ↗
Form 4, 2026-06-02: sold 3,200 at $9.45 Form 4 ↗
2026-04-30Eisner Mark, EVP and Chief Medical Officer$916,267
88,958 shno plan dateForm 4s on file end Jun 23144 ↗
2026-04-06De Backer Marianne, President and CEO$664,343
72,559 shplan 2026-02-22144 ↗
Form 4, 2026-04-07: sold 72,559 at $9.16 Form 4 ↗
2026-03-23Sabatini Brent, SVP, Chief Accounting Officer$70,324
7,711 shplan 2025-12-19144 ↗
Form 4, 2026-03-24: sold 7,711 at $9.12 Form 4 ↗
2026-03-02VICKI LEE SATO, Director$799,920
88,000 shplan 2025-03-27144 ↗
Form 4, 2026-03-03: sold 22,000 at $9.50 Form 4 ↗
2026-02-25de Verneuil Vanina, EVP, General Counsel, Corp Sec$134,534
13,700 shplan 2025-06-02no Form 4 on file144 ↗
2026-02-25Eisner Mark, EVP and Chief Medical Officer$18,550
1,889 shplan 2025-08-18no Form 4 on file144 ↗
2026-02-25SVF Endurance (Cayman) Limited, Stockholder$3,796,000
400,000 shno plan dateno Form 4 on file144 ↗
2026-02-24Eisner Mark, EVP and Chief Medical Officer$15,405
1,616 shplan 2026-02-22144 ↗
Form 4, 2026-02-26: sold 3,505 at $9.69 Form 4 ↗
2026-02-24De Backer Marianne, President and CEO$140,720
14,762 shplan 2026-02-22144 ↗
Form 4, 2026-02-26: sold 14,762 at $9.53 Form 4 ↗
2026-02-24O'Byrne Jason, EVP & Chief Financial Officer$15,576
1,634 shplan 2026-02-22144 ↗
Form 4, 2026-02-26: sold 1,634 at $9.53 Form 4 ↗
2026-02-24Sabatini Brent, SVP, Chief Accounting Officer$13,632
1,430 shplan 2026-02-22144 ↗
Form 4, 2026-02-26: sold 1,430 at $9.53 Form 4 ↗
2026-02-24de Verneuil Vanina, EVP, General Counsel, Corp Sec$29,713
3,117 shplan 2026-02-22144 ↗
Form 4, 2026-02-26: sold 16,817 at $9.77 Form 4 ↗
2026-02-24VICKI LEE SATO, Director$151,401
20,377 shplan 2025-03-27144 ↗
Form 4, 2026-02-26: sold 42,377 at $9.75 Form 4 ↗
2026-02-23O'Byrne Jason, EVP & Chief Financial Officer$15,569
2,089 shplan 2026-02-22144 ↗
Form 4, 2026-02-24: sold 2,089 at $7.45 Form 4 ↗
2026-02-23Eisner Mark, EVP and Chief Medical Officer$15,569
2,089 shplan 2026-02-22144 ↗
Form 4, 2026-02-24: sold 2,089 at $7.45 Form 4 ↗
2026-02-23De Backer Marianne, President and CEO$141,894
19,039 shplan 2026-02-22144 ↗
Form 4, 2026-02-24: sold 19,039 at $7.45 Form 4 ↗
2026-02-23de Verneuil Vanina, EVP, General Counsel, Corp Sec$33,128
4,445 shplan 2026-02-22144 ↗
Form 4, 2026-02-24: sold 4,445 at $7.45 Form 4 ↗
2026-02-23Sabatini Brent, SVP, Chief Accounting Officer$13,631
1,829 shplan 2026-02-22144 ↗
Form 4, 2026-02-24: sold 1,829 at $7.45 Form 4 ↗
2026-02-13Sabatini Brent, SVP, Chief Accounting Officer$11,918
1,530 shplan 2025-12-19144 ↗
Form 4, 2026-02-18: sold 1,530 at $7.79 Form 4 ↗
2026-01-14SVF Endurance (Cayman) Limited, Stockholder$8,533,886
1,251,303 shplan 2025-09-03no Form 4 on file144 ↗
2026-01-02VICKI LEE SATO, Director$397,980
66,000 shplan 2025-03-27144 ↗
Form 4, 2026-01-05: sold 22,000 at $5.93 Form 4 ↗
2025-11-25SVF Endurance (Cayman) Limited, 10% Stockholder$8,058,391
1,251,303 shplan 2025-09-03144 ↗
Form 4, 2025-12-01: sold 189,431 at $6.41 Form 4 ↗
2025-11-17O'Byrne Jason, EVP & Chief Financial Officer$37,781
6,799 sh10b5-1 plan144 ↗
Form 4, 2025-11-18: sold 6,799 at $5.56 Form 4 ↗
2025-11-05de Verneuil Vanina, EVP, General Counsel, Corp Sec$12,307
2,385 shplan 2025-06-02144 ↗
Form 4, 2025-11-07: sold 2,385 at $5.16 Form 4 ↗
2025-11-03de Verneuil Vanina, EVP, General Counsel, Corp Sec$8,003
1,365 sh10b5-1 plan144 ↗
Form 4, 2025-11-04: sold 1,365 at $5.86 Form 4 ↗
2025-10-21SVF Endurance (Cayman) Limited, 10% Stockholder$5,230,447
834,202 shplan 2025-09-03144 ↗
Form 4, 2025-10-22: sold 330,210 at $6.23 Form 4 ↗