Form 4

Insider buys and sales, small caps first

Source: Form 4 filings on SEC EDGAR

Type a ticker for one company's Form 4s, or read today's open-market trades at companies with a public float under $300M (All companies is one tap away): buys first, then sales, cluster buys and each insider's record across companies.

Open-market buys, last day2
Cluster buys, last 30 days, under $300M float1
Open-market sales, last day5
Planned sales (10b5-1), last day0

Cluster buys, last 30 days, under $300M float

Companies whose last cluster buy was in the last 30 days.

Trades filed since Nov 3

Notes on each row are as each Form 4 states them, next to SEC Tracker's own records of the company's filings and other insiders' buys. The Stake column is the change in their holding.

TradedCompanyInsiderTradeValueStakeNotes
Oct 30, 2026
Filed Nov 3, 2026
Rapport Therapeutics RAPPThird Rock Ventures V
Director
Award
1,190,476 shares
$25M
at $21.00
The same day as the company's 424B5 filed Oct 30, 2026.
Oct 30, 2026
Filed Nov 3, 2026
Rapport Therapeutics RAPPThird Rock Ventures V
Director
Award
238,095 shares
$5M
at $21.00
The same day as the company's 424B5 filed Oct 30, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Replimune Group REPLKapil Dhingra
Director
Open-market sale
21,500 shares
$409K
at $19.00
−50%
The filing does not mark this sale as under a Rule 10b5-1 plan. The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Artiva Biotherapeutics ARTVFred Aslan
CEO
Open-market sale
62,178 shares
$260K
at $4.18
−4%
The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Replimune Group REPLKapil Dhingra
Director
Option exercise
43,169 shares
$76K
at $1.75
The same day as a Form 144 notice of a planned insider sale filed Nov 2, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Artiva Biotherapeutics ARTVChristopher Horan
Officer
Open-market sale
10,423 shares
$44K
at $4.18
−3%
The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026.
Nov 2, 2026
Filed Nov 3, 2026
ProMIS Neurosciences PMNNeil Cashman
Chief Scientific Officer
Open-market buy
10,000 shares
$39K
at $3.86
+221%
First open-market buy here in 1 year. 80 days after the company's SCHEDULE 13G/A filed Aug 14, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Artiva Biotherapeutics ARTVJennifer Bush
Officer
Open-market sale
8,439 shares
$35K
at $4.18
−2%
The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026.
Oct 30, 2026
Filed Nov 3, 2026
ProMIS Neurosciences PMNEugene Williams
Director
Open-market buy
1,316 shares
$5K
at $3.99
+11%
Their first open-market buy here in SEC Tracker's records. 77 days after the company's SCHEDULE 13G/A filed Aug 14, 2026.
Nov 2, 2026
Filed Nov 3, 2026
Artiva Biotherapeutics ARTVSubhashis Banerjee
Chief Medical Officer
Open-market sale
1,110 shares
$5K
at $4.18
−1%
The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026.
Oct 30, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXCraig A Collard
CEO
Tax withholding
12,181 shares
$3K
at $0.28
3 days after the company's S-8 filed Oct 27, 2026.
Oct 31, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXCraig A Collard
CEO
Tax withholding
8,471 shares
$2K
at $0.28
4 days after the company's S-8 filed Oct 27, 2026.
Oct 30, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXIra Duarte
Officer
Tax withholding
3,850 shares
$1K
at $0.28
3 days after the company's S-8 filed Oct 27, 2026.
Oct 30, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXWilliam P Forbes
Officer
Tax withholding
3,349 shares
$938
at $0.28
3 days after the company's S-8 filed Oct 27, 2026.
Oct 30, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXMark Earl Hensley
COO
Tax withholding
3,349 shares
$938
at $0.28
3 days after the company's S-8 filed Oct 27, 2026.
Oct 31, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXWilliam P Forbes
Officer
Tax withholding
3,327 shares
$932
at $0.28
4 days after the company's S-8 filed Oct 27, 2026.
Oct 31, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXIra Duarte
Officer
Tax withholding
3,327 shares
$932
at $0.28
4 days after the company's S-8 filed Oct 27, 2026.
Nov 1, 2026
Filed Nov 3, 2026
Voyager Therapeutics VYGRTodd Alfred Carter
Chief Scientific Officer
Award
33,000 shares
11 days after the company's 8-K filed Oct 21, 2026.
Nov 1, 2026
Filed Nov 3, 2026
Voyager Therapeutics VYGRRobin Swartz
President
Award
68,250 shares
11 days after the company's 8-K filed Oct 21, 2026.
Oct 31, 2026
Filed Nov 3, 2026
Heron Therapeutics HRTXCraig A Collard
CEO
Option exercise
34,788 shares
4 days after the company's S-8 filed Oct 27, 2026.

Insider records

The 8 insiders in these trades with the most bought and sold on the open market across every company, in SEC Tracker's records.

InsiderBuysSalesBoughtSoldCompanies
Kapil Dhingra05$2.3M1
Fred Aslan02$413K1
Jennifer Bush04$265K1
Subhashis Banerjee06$192K1
Ira Duarte10$76K1
Neil Cashman20$53K1
Christopher Horan01$44K1
Eugene Williams10$5K1

Open-market trades are Form 4 transaction codes P (purchase) and S (sale). Planned sales are those the filing marks as made under a Rule 10b5-1 plan. A P-code buy at the offering price within a day of the company's FWP, 424B prospectus or offering 8-K is marked Bought in the offering and left out of open-market buy counts and cluster buys. Prices and values are as stated in each Form 4. Stock prices aren't shown on this page. Not investment advice.