LYTIR

Company · ARTV

Artiva Biotherapeutics, Inc.

Nasdaq's symbol directory lists ARTV on Nasdaq as “Artiva Biotherapeutics, Inc. - Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 15 occasions ($10.0M); insiders sold on 16 occasions ($2.3M); 1 planned-sale notice; 4 filings by holders of 5% or more; 2 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $10.0M in total; Insider sales: $2.3M in total.Jun: Insider purchases $4.9MJul: Insider purchases $5.1MAug: Insider sales $104KSep: Insider sales $1.2MOct: Insider sales $726KNov: Insider sales $343KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $10.0MInsider sales below: $2.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. RA CAPITAL MANAGEMENT, L.P. bought on 15 days latest Jul 31, 2026 bought $10.0M
  2. Aslan Fred, Chief Executive Officer sold on 5 days 2 of them under a 10b5-1 plan latest Nov 2, 2026 sold $1.8M
  3. Horan Christopher, Chief Tech Operations Officer sold on 3 days latest Nov 2, 2026 sold $230K
  4. Bush Jennifer, COO, CLO, Compliance Officer sold on 3 days latest Nov 2, 2026 sold $186K
  5. Banerjee Subhashis, Chief Medical Officer sold on 5 days 2 of them under a 10b5-1 plan latest Nov 2, 2026 sold $128K
Every trade (31)
  1. SELLAslan Fred, Chief Executive Officer sold Nov 2, 2026 62,178 shares filing $260K
  2. SELLHoran Christopher, Chief Tech Operations Officer sold Nov 2, 2026 10,423 shares filing $44K
  3. SELLBush Jennifer, COO, CLO, Compliance Officer sold Nov 2, 2026 8,439 shares filing $35K
  4. SELLBanerjee Subhashis, Chief Medical Officer sold Nov 2, 2026 1,110 shares filing $5K
  5. SELLAslan Fred, Chief Executive Officer sold Oct 6, 2026 23,463 shares 10b5-1 plan (scheduled) filing $169K
  6. SELLAslan Fred, Chief Executive Officer sold Oct 5, 2026 61,696 shares filing $422K
  7. SELLHoran Christopher, Chief Tech Operations Officer sold Oct 5, 2026 10,340 shares filing $71K
  8. SELLBush Jennifer, COO, CLO, Compliance Officer sold Oct 5, 2026 8,370 shares filing $57K
  9. SELLBanerjee Subhashis, Chief Medical Officer sold Oct 5, 2026 1,099 shares filing $8K
  10. SELLAslan Fred, Chief Executive Officer sold Sep 8, 2026 23,429 shares 10b5-1 plan (scheduled) filing $256K
  11. SELLAslan Fred, Chief Executive Officer sold Sep 3, 2026 61,888 shares filing $690K
  12. SELLHoran Christopher, Chief Tech Operations Officer sold Sep 3, 2026 10,366 shares filing $116K
  13. SELLBush Jennifer, COO, CLO, Compliance Officer sold Sep 3, 2026 8,391 shares filing $94K
  14. SELLBanerjee Subhashis, Chief Medical Officer sold Sep 3, 2026 1,100 shares filing $12K
  15. SELLBanerjee Subhashis, Chief Medical Officer sold Aug 27, 2026 8,222 shares 10b5-1 plan (scheduled) filing $99K
  16. SELLBanerjee Subhashis, Chief Medical Officer sold Aug 18, 2026 429 shares 10b5-1 plan (scheduled) filing $5K
  17. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 31, 2026 24,944 shares filing $248K
  18. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 29, 2026 20,824 shares filing $208K
  19. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 24, 2026 41,319 shares filing $413K
  20. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 23, 2026 59,880 shares filing $596K
  21. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 22, 2026 84,124 shares filing $835K
  22. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 21, 2026 120,582 shares filing $1.2M
  23. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 17, 2026 7,882 shares filing $71K
  24. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 16, 2026 152,472 shares filing $1.4M
  25. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 13, 2026 6,522 shares filing $58K
  26. BUYRA CAPITAL MANAGEMENT, L.P. bought Jul 10, 2026 15,102 shares filing $135K
  27. BUYRA CAPITAL MANAGEMENT, L.P. bought Jun 26, 2026 1,876 shares filing $17K
  28. BUYRA CAPITAL MANAGEMENT, L.P. bought Jun 25, 2026 31,000 shares filing $275K
  29. BUYRA CAPITAL MANAGEMENT, L.P. bought Jun 16, 2026 124,893 shares filing $1.1M
  30. BUYRA CAPITAL MANAGEMENT, L.P. bought Jun 15, 2026 15,414 shares filing $139K
  31. BUYRA CAPITAL MANAGEMENT, L.P. bought Jun 12, 2026 391,019 shares filing $3.4M

Planned sales · SEC Form 144

Notice given

A Form 144 is filed before an insider sells restricted stock. It states an intent; the sale, if it happens, appears later on a Form 4. Every recent notice

  1. FRED ASLAN filed Oct 6, 2026 Director 34,465 shares planned sale date 10/06/2026 filing $246K

Large holders · SEC Schedules 13D and 13G

Five percent and over

Anyone who comes to hold more than 5% of a company's voting shares must tell the SEC. A Schedule 13D is filed by a holder who may seek to influence the company; a 13G by one who states it is a passive investor. An amendment updates an earlier filing, and a stake reported as 0% means the holder says it has sold all, or nearly all, of its shares. Every recent 13D and 13G

  1. Venrock Healthcare Capital Partners III, L.P. filed Aug 14, 2026 Schedule 13G/A passive filing 4.2%
  2. 5AM Ventures VI, L.P. filed Aug 10, 2026 Schedule 13G/A passive filing 2.4%
  3. RA CAPITAL MANAGEMENT, L.P. filed Jul 23, 2026 Schedule 13D/A may seek influence 18,415,956 shares filing 37.9%
  4. RA CAPITAL MANAGEMENT, L.P. filed Jun 15, 2026 Schedule 13D/A may seek influence 17,811,623 shares filing 36.6%

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Results of operations and financial condition; Costs associated with exit or disposal activities filing Oct 27, 2026
  2. Departure or appointment of directors or officers; Submission of matters to a vote of security holders filing Sep 11, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.