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ARTV

Artiva Biotherapeutics (ARTV) stock: insider trades, news & valuation

Strong buying
Close · Oct 9, 2026 $6.94 +2.1% on the day +131.3% over 12 months 52-week range $2.74 – $13.39

Share price and insider trades

ARTV closeInsider buyInsider sale
051015NovDecJan 2026FebMarAprMayJunJulAugSepOctEEarnings release filed 2025-11-12EEarnings release filed 2026-03-10EEarnings release filed 2026-05-08EEarnings release filed 2026-08-06Bought $721 on 2026-06-10 · Ra Capital Nexus Fund, L.P.Sold $5,148 on 2026-08-18 · Subhashis BanerjeeBought $16,846 on 2026-06-26 · Ra Capital Management, L.P.Sold $19,122 on 2025-12-15 · Fred AslanSold $21,548 on 2025-11-17 · Fred AslanBought $70,544 on 2026-07-17 · Ra Capital Healthcare Fund LpSold $98,746 on 2026-08-27 · Subhashis BanerjeeBought $116,882 on 2026-07-13 · Ra Capital Nexus Fund, L.P., Rajeev M. ShahBought $135,465 on 2026-07-10 · Rajeev M. ShahBought $138,572 on 2026-06-15 · Peter KolchinskySold $153,000 on 2025-10-17 · Fred AslanSold $168,880 on 2026-10-06 · Fred AslanBought $208,032 on 2026-07-29 · Ra Capital Healthcare Fund LpBought $247,694 on 2026-07-31 · Ra Capital Healthcare Fund LpSold $255,845 on 2026-09-08 · Fred AslanBought $275,280 on 2026-06-25 · Ra Capital Management, L.P.Bought $412,777 on 2026-07-24 · Ra Capital Nexus Fund Iii, L.P.Sold $477,890 on 2026-05-19 · Christopher Horan, Fred Aslan, Heather Raymon, Jennifer Bush, Subhashis BanerjeeSold $557,266 on 2026-10-05 · Christopher Horan, Fred Aslan, Jennifer Bush, Subhashis BanerjeeBought $596,405 on 2026-07-23 · Peter KolchinskyBought $835,351 on 2026-07-22 · Peter KolchinskySold $912,274 on 2026-09-03 · Christopher Horan, Fred Aslan, Jennifer Bush, Subhashis BanerjeeBought $1,110,299 on 2026-06-16 · Peter KolchinskyBought $1,151,558 on 2026-07-21 · Peter KolchinskyBought $1,361,575 on 2026-07-16 · Ra Capital Healthcare Fund LpBought $3,310,159 on 2026-06-09 · Ra Capital Nexus Fund, L.P.Bought $3,351,033 on 2026-06-12 · Peter KolchinskyBought $4,339,268 on 2026-06-11 · Ra Capital Nexus Fund, L.P.Bought $91,499,985 on 2026-05-11 · Gc Corp., Ra Capital Nexus Fund Iii, L.P.
Bought, 12 months$109M
Sold, 12 months$2.7M
Insiders buying7
Insiders selling5

Artiva Biotherapeutics insider trading at a glance (Oct 9, 2026): in the past 12 months, 7 insiders bought $109M and 5 sold $2.7M of ARTV stock on the open market, including a cluster buy that began Jul 10, 2026.

ARTV insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $194K sold (3 trades)Q4 2025Q1 2026Q2 2026: $104M bought (11 trades)$104MQ2 2026: $478K sold (5 trades)Q2 2026Q3 2026: $5.1M bought (11 trades)$5.1MQ3 2026: $1.3M sold (7 trades)Q3 2026Q4 2026: $726K sold (5 trades)Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0$726K5
Q3 2026$5.1M11$1.3M7
Q2 2026$104M11$478K5
Q1 2026—0—0
Q4 2025—0$194K3

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.0×Last 5 sessions
Insiders' paper profit−$39.3MOn all tracked purchases -36.0%

Summary

Over the past 12 months, 7 Artiva Biotherapeutics, Inc. insiders reported open-market purchases totaling $109M, while 5 insiders reported sales totaling $2.7M. The most recent cluster buy began on Jul 10, 2026, when 5 insiders bought a combined $4.7M. Among insiders with enough purchase history to measure, Peter Kolchinsky (Director) has the highest Insider Score at 99. 7 of 20 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

ARTV earnings: how the stock reacted

Each quarterly results release (SEC 8-K Item 2.02), the trend before it, insider trades in the 30 days before, and the 2-day market reaction. “E” marks releases on the chart above.

Does it matter? →
Release15 days beforeInsiders, 30 days beforeReaction (2 days)Next 30 days
Aug 6, 2026 +15.9% Bought $5.1M (5) -2.8%S&P +0.5% -0.7%
May 8, 2026 +6.7% None -15.3%S&P +1.1% -30.0%
Mar 10, 2026 +22.0% None +24.9%S&P -0.3% -4.5%
Nov 12, 2025 -28.8% Sold $153K -5.6%S&P -1.6% -2.7%
Aug 6, 2025 +20.8% None -14.3%S&P +0.7% +36.7%
May 8, 2025 -14.3% None -1.0%S&P +0.6% +1.0%
Mar 24, 2025 -16.3% None -6.6%S&P +2.0% -38.6%
Nov 12, 2024 +27.9% None -12.6%S&P -0.3% -9.2%

Most companies bar insiders from trading in the weeks before results, so pre-earnings purchases are rare and often made by directors or under pre-set plans. Past reactions don't predict future ones.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Oct 7SEC Fred AslanCEO Sell Plan 23,4631,519,606 held (−2%) $7.20 $169K -3.6% —
Oct 6SEC Fred AslanCEO Sell 61,6961,543,069 held (−4%) $6.84 $422K +1.5% —
Oct 6SEC Christopher HoranChief Tech Operations Officer Sell 10,340312,744 held (−3%) $6.84 $71K +1.5% —
Oct 6SEC Jennifer BushCOO, General Counsel Sell 8,370366,159 held (−2%) $6.84 $57K +1.5% —
Oct 6SEC Subhashis BanerjeeChief Medical Officer Sell 1,099169,848 held (−1%) $6.84 $8K +1.5% —
Sep 9SEC Fred AslanCEO Sell Plan 23,4291,449,765 held (−2%) $10.92 $256K -36.4% —
Sep 4SEC Fred AslanCEO Sell 61,8881,473,194 held (−4%) $11.16 $691K -37.8% —
Sep 4SEC Christopher HoranChief Tech Operations Officer Sell 10,366283,084 held (−4%) $11.16 $116K -37.8% —
Sep 4SEC Jennifer BushCOO, General Counsel Sell 8,391329,529 held (−2%) $11.16 $94K -37.8% —
Sep 4SEC Subhashis BanerjeeChief Medical Officer Sell 1,100140,947 held (−1%) $11.16 $12K -37.8% —
Aug 31SEC Subhashis BanerjeeChief Medical Officer Sell Plan 8,222142,047 held (−5%) $12.01 $99K -42.2% —
Aug 19SEC Subhashis BanerjeeChief Medical Officer Sell Plan 429144,963 held (−0%) $12.00 $5K -42.2% —
Jul 31SEC Ra Capital Healthcare Fund LpDirector Buy 24,94417,329,570 held (+0%) $9.93 $248K -30.1% 98
Jul 31SEC Ra Capital Healthcare Fund LpDirector Buy 20,82417,304,626 held (+0%) $9.99 $208K -30.5% 98
Jul 28SEC Ra Capital Nexus Fund Iii, L.P.Director Buy 41,31917,283,802 held (+0%) $9.99 $413K -30.5% 85
Jul 23SEC Peter KolchinskyDirector Buy 120,58217,098,479 held (+1%) $9.55 $1.2M -27.3% 99
Jul 23SEC Peter KolchinskyDirector Buy 84,12417,182,603 held (+0%) $9.93 $835K -30.1% 99
Jul 23SEC Peter KolchinskyDirector Buy 59,88017,242,483 held (+0%) $9.96 $596K -30.3% 99
Jul 23SEC Ra Capital Nexus Fund, L.P.Director Buy 6,52216,817,543 held (+0%) $8.94 $58K -22.4% —
Jul 20SEC Ra Capital Healthcare Fund LpDirector Buy 152,47216,970,045 held (+1%) $8.93 $1.4M -22.3% 98
Jul 20SEC Ra Capital Healthcare Fund LpDirector Buy 7,88216,977,927 held (+0%) $8.95 $71K -22.5% 98
Jul 14SEC Rajeev M. ShahDirector Buy 15,10216,811,021 held (+0%) $8.97 $135K -22.6% 90
Jul 14SEC Rajeev M. ShahDirector Buy 6,55216,817,573 held (+0%) $8.94 $59K -22.4% 90
Jun 29SEC Ra Capital Management, L.P.Director Buy 31,00016,794,043 held (+0%) $8.88 $275K -21.8% 92
Jun 29SEC Ra Capital Management, L.P.Director Buy 1,87616,795,919 held (+0%) $8.98 $17K -22.7% 92
Jun 16SEC Peter KolchinskyDirector Buy 391,01916,622,736 held (+2%) $8.57 $3.4M -19.0% 99
Jun 16SEC Peter KolchinskyDirector Buy 124,89316,763,043 held (+1%) $8.89 $1.1M -21.9% 99
Jun 16SEC Peter KolchinskyDirector Buy 15,41416,638,150 held (+0%) $8.99 $139K -22.8% 99
Jun 11SEC Ra Capital Nexus Fund, L.P.Director Buy 548,58016,231,717 held (+3%) $7.91 $4.3M -12.3% —
Jun 11SEC Ra Capital Nexus Fund, L.P.Director Buy 479,03915,683,034 held (+3%) $6.91 $3.3M +0.4% —
Jun 11SEC Ra Capital Nexus Fund, L.P.Director Buy 10315,683,137 held (+0%) $7.00 $721 -0.9% —
May 28SEC Gc Corp.10% Owner Buy 1,085,0694,391,969 held (+33%) $11.52 $12.5M -39.8% —
May 28SEC Gc Corp.10% Owner Buy 347,2221,607,734 held (+28%) $11.52 $4.0M -39.8% —
May 19SEC Fred AslanCEO Sell 27,1161,535,082 held (−2%) $9.01 $244K -23.0% —
May 19SEC Jennifer BushCOO, General Counsel Sell 8,790337,920 held (−3%) $9.01 $79K -23.0% —
May 19SEC Subhashis BanerjeeChief Medical Officer Sell 7,037144,963 held (−5%) $9.01 $63K -23.0% —
May 19SEC Christopher HoranChief Tech Operations Officer Sell 7,002293,450 held (−2%) $9.01 $63K -23.0% —
May 19SEC Heather RaymonSvp, Research And Development Sell 3,095148,228 held (−2%) $9.01 $28K -23.0% —
May 13SEC Ra Capital Nexus Fund Iii, L.P.Director Buy 6,510,41615,203,995 held (+75%) $11.52 $75.0M -39.8% 85
Dec 15SEC Fred AslanCEO, President Sell Plan 3,1871,209,948 held (−0%) $6.00 $19K +15.7% —
Nov 17SEC Fred AslanCEO, President Sell Plan 6,375343,999 held (−2%) $3.38 $22K +105.3% —
Oct 17SEC Fred AslanCEO, President Sell Plan 25,500356,721 held (−7%) $6.00 $153K +15.7% —

Insiders at Artiva Biotherapeutics, Inc.

InsiderBoughtSoldLast filingScore
Ra Capital Nexus Fund Iii, L.P.Director $75.4M — Jul 28, 2026 85
Gc Corp.10% Owner $16.5M — May 28, 2026 —
Ra Capital Nexus Fund, L.P.Director $7.7M — Jul 23, 2026 —
Peter KolchinskyDirector $7.2M — Jul 23, 2026 99
Ra Capital Healthcare Fund LpDirector $1.9M — Jul 31, 2026 98
Fred AslanCEO — $2.0M Oct 7, 2026 —
Ra Capital Management, L.P.Director $292K — Jun 29, 2026 92
Rajeev M. ShahDirector $194K — Jul 14, 2026 90
Christopher HoranChief Tech Operations Officer — $249K Oct 6, 2026 —
Jennifer BushCOO, General Counsel — $230K Oct 6, 2026 —
Subhashis BanerjeeChief Medical Officer — $187K Oct 6, 2026 —
Heather RaymonSvp, Research And Development — $28K May 19, 2026 —

ARTV stock: common questions

Are Artiva Biotherapeutics, Inc. insiders buying ARTV stock?

In the past 12 months, 7 insiders reported open-market purchases of ARTV worth $109M. The latest was Director Ra Capital Healthcare Fund Lp bought $248K of ARTV at $9.93.

Are Artiva Biotherapeutics, Inc. insiders selling ARTV stock?

5 insiders reported sales worth $2.7M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is ARTV's 52-week range?

Over the past year ARTV has traded between $2.74 and $13.39. It last closed at $6.94 on Oct 9, 2026.