Companies: 10,795·Total market cap: $144.5T
Cellectar Biosciences, Inc.

Cellectar Biosciences, Inc.

CLRBNASDAQHealthcare● Active
$2.51
$-0.08(-3.09%)
Market Cap$8012020
P/E Ratio
52W High$14.1
52W Low$2.43

Cellectar Biosciences, Inc. (CLRB) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · CLRB · as of Jun 9, 2026

Activity summary

Buy transactions

7

P-Purchase only

Sell transactions

0

12 Months

Buy/Sell ratio

Buy/Sell (by trades)

Overall sentiment

BULLISH
↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

Cellectar Biosciences, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 9, 2026

CLRB insider buying and selling by quarter

CLRB insider selling · CLRB insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
2.5M1.3M0
2023 Q4
2024 Q2
2025 Q1
2025 Q3

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 9, 2026

Active insiders

Most active in past 12 months · CLRB ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

CLRB executive sell shares · CLRB board member insider trading · CLRB insider trading SEC filing

Showing 22 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Longcor Jarrod

COO

Purchase

Date

May 7

Shares

8,680

Price

$2.88

Value

$25K

View Form 4 on SEC.gov

CARUSO JAMES V

CEO · Director

Purchase

Date

May 7

Shares

8,680

Price

$2.88

Value

$25K

View Form 4 on SEC.gov

NEIS JOHN

Director

Sale

Date

Dec 12

Shares

198

Price

$3.70

Value

$732

View Form 4 on SEC.gov

CARUSO JAMES V

CEO · Director

Purchase

Date

Jul 2

Shares

10,000

Price

$4.99

Value

$50K

View Form 4 on SEC.gov

Longcor Jarrod

COO

Purchase

Date

Jul 2

Shares

10,000

Price

$4.99

Value

$50K

View Form 4 on SEC.gov

Kolean Chad J

CFO

Purchase

Date

Jul 2

Shares

5,000

Price

$4.99

Value

$25K

View Form 4 on SEC.gov

Longcor Jarrod

COO

Purchase

Date

Jan 10

Shares

30,000

Price

$0.28

Value

$8K

View Form 4 on SEC.gov

Lea Darrell Shane

Chief Commercial Officer

Award

Date

Dec 8

Shares

39,599

Price

Value

View Form 4 on SEC.gov

Kolean Chad J

CFO

Award

Date

Dec 8

Shares

42,554

Price

Value

View Form 4 on SEC.gov

Shustov Andrei

Senior Vice President, Medical

Award

Date

Dec 8

Shares

47,856

Price

Value

View Form 4 on SEC.gov

Longcor Jarrod

COO

Award

Date

Dec 8

Shares

42,927

Price

Value

View Form 4 on SEC.gov

CARUSO JAMES V

President and CEO · Director

Award

Date

Dec 8

Shares

40,596

Price

Value

View Form 4 on SEC.gov

Swirsky Douglas J

Director

Purchase

Date

Sep 14

Shares

25,000

Price

$1.04

Value

$26K

View Form 4 on SEC.gov

DRISCOLL FREDERICK W

Director

Purchase

Date

Sep 3

Shares

19,417

Price

$1.04

Value

$20K

View Form 4 on SEC.gov

CARUSO JAMES V

President and CEO · Director

Purchase

Date

Mar 4

Shares

5,100

Price

$1.70

Value

$9K

View Form 4 on SEC.gov

CARUSO JAMES V

President and CEO · Director

Purchase

Date

Dec 28

Shares

37,037

Price

$1.35

Value

$50K

View Form 4 on SEC.gov

Longcor Jarrod

Chief Business Officer

Purchase

Date

Dec 28

Shares

29,630

Price

$1.35

Value

$40K

View Form 4 on SEC.gov

Elefant Dov

CFO

Purchase

Date

Dec 28

Shares

7,407

Price

$1.35

Value

$10K

View Form 4 on SEC.gov

HILL STEPHEN A

Director

Purchase

Date

Jun 4

Shares

18,000

Price

$1.08

Value

$19K

View Form 4 on SEC.gov

Elefant Dov

CFO

Purchase

Date

Jun 5

Shares

4,348

Price

$1.15

Value

$5K

View Form 4 on SEC.gov

Longcor Jarrod

Chief Business Officer

Purchase

Date

Jun 5

Shares

65,218

Price

$1.15

Value

$75K

View Form 4 on SEC.gov

CARUSO JAMES V

President and CEO · Director

Purchase

Date

Jun 5

Shares

21,740

Price

$1.15

Value

$25K

View Form 4 on SEC.gov

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About CLRB insider trading

CLRB insider trades

Cellectar Biosciences, Inc. (CLRB) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Longcor Jarrod (COO), CARUSO JAMES V (CEO · Director), NEIS JOHN (Director). Over the past 12 months, 4 insiders have filed transactions with the SEC. CLRB insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Cellectar Biosciences, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

CLRB insider trading · 5 questions

The insiders of Cellectar Biosciences, Inc. (CLRB) include executives and directors such as Longcor Jarrod (COO), CARUSO JAMES V (CEO · Director), NEIS JOHN (Director), among others. Over the past 12 months, 4 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

CLRB board member insider tradingwho are CLRB insidersCLRB insider rosterCellectar Biosciences, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026