United States Pharmaceuticals

Cellectar Biosciences Inc (CLRB)

Track

In the last 90 days, Cellectar Biosciences Inc. saw two insider BUY transactions totaling $49,997. Notably, the CEO and COO made significant purchases on May 7th. The stock has experienced a 15.2% decline over the past 90 days, trading near its 52-week low.
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Ticker: CLRB Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Longcor Jarrod
Chief Operating Officer
1 purchase — total 24,998 USD
Buy 7 May 2026
Value US$796,280.04 | Price 201.43 | Shares 58,797
Buy 7 May 2026
Value US$3,064,808.56 | Price 452.38 | Shares 38,679
Sale 12 Dec 2025
Value US$731.99 | Price 3.70 | Shares 198
Buy 2 Jul 2025
Value US$24,950.00 | Price 4.99 | Shares 5,000
Buy 2 Jul 2025
Value US$49,900.00 | Price 4.99 | Shares 10,000
Buy 2 Jul 2025
Value US$49,900.00 | Price 4.99 | Shares 10,000
Buy 10 Jan 2025
Value US$8,400.00 | Price 0.28 | Shares 30,000
Buy 14 Sep 2021
Value US$26,000.00 | Price 1.04 | Shares 25,000
Buy 4 Mar 2021
Value US$8,658.78 | Price 1.70 | Shares 5,100
Buy 28 Dec 2020
Value US$40,000.50 | Price 1.35 | Shares 29,630
Buy 28 Dec 2020
Value US$9,999.45 | Price 1.35 | Shares 7,407
Buy 28 Dec 2020
Value US$49,999.95 | Price 1.35 | Shares 37,037
Buy 5 Jun 2020
Value US$74,674.61 | Price 1.15 | Shares 65,218
Buy 5 Jun 2020
Value US$24,892.30 | Price 1.15 | Shares 21,740
Buy 5 Jun 2020
Value US$4,978.46 | Price 1.15 | Shares 4,348
Buy 4 Jun 2020
Value US$19,438.20 | Price 1.08 | Shares 18,000
Buy 28 Feb 2019
Value US$200.25 | Price 2.00 | Shares 100
Buy 30 Nov 2018
Value US$2,282.00 | Price 2.28 | Shares 1,000
Sale 29 Nov 2018
Value US$117.13 | Price 2.21 | Shares 53
Sale 29 Nov 2018
Value US$2,075.28 | Price 2.21 | Shares 939
Buy 16 Aug 2018
Value US$1,355.00 | Price 2.71 | Shares 500
Planned sale 13 Mar 2018
Value US$15,397.20 | Price 1.18 | Shares 13,000
Planned sale 12 Mar 2018
Value US$40,704.80 | Price 1.20 | Shares 34,000
Sale 14 Nov 2017
Value US$7,790.76 | Price 1.49 | Shares 5,214
Buy 29 Nov 2016
Value US$496,666.17 | Price 1.49 | Shares 333,333
Sale 31 Oct 2016
Value US$42,609.00 | Price 2.03 | Shares 21,000
Buy 21 Apr 2016
Value US$7,140.20 | Price 1.90 | Shares 3,758
Buy 20 Apr 2016
Value US$19,906.80 | Price 2.12 | Shares 9,390
Buy 20 Apr 2016
Value US$497,653.04 | Price 2.12 | Shares 234,742
Buy 20 Apr 2016
Value US$99,529.76 | Price 2.12 | Shares 46,948
Buy 20 Apr 2016
Value US$248,826.52 | Price 2.12 | Shares 117,371
Buy 15 Apr 2016
Value US$497,653.04 | Price 2.12 | Shares 234,742
Sale 31 Dec 2015
Value US$24,518.46 | Price 0.70 | Shares 35,253
Sale 30 Dec 2015
Value US$44,500.61 | Price 0.69 | Shares 64,747
Sale 29 Dec 2015
Value US$57,404.69 | Price 0.69 | Shares 82,847
Sale 28 Dec 2015
Value US$104,218.04 | Price 0.69 | Shares 150,975
Sale 24 Dec 2015
Value US$164,826.36 | Price 0.76 | Shares 216,991
Sale 22 Dec 2015
Value US$7,180.71 | Price 0.90 | Shares 7,938
Sale 21 Dec 2015
Value US$19,018.75 | Price 0.92 | Shares 20,621
Sale 18 Dec 2015
Value US$6,291.60 | Price 0.90 | Shares 7,000
Sale 17 Dec 2015
Value US$16,080.38 | Price 0.88 | Shares 18,240
Sale 16 Dec 2015
Value US$45,800.23 | Price 0.86 | Shares 52,985
Sale 15 Dec 2015
Value US$37,064.65 | Price 0.82 | Shares 44,965
Sale 4 Dec 2015
Value US$53,041.90 | Price 1.06 | Shares 49,950
Sale 4 Dec 2015
Value US$1,140.00 | Price 1.14 | Shares 1,000
Sale 1 Dec 2015
Value US$43,815.46 | Price 1.04 | Shares 42,110
Sale 25 Nov 2015
Value US$5,264.98 | Price 1.20 | Shares 4,378
Sale 24 Nov 2015
Value US$85,534.92 | Price 1.27 | Shares 67,102
Buy 24 Nov 2015
Value US$1,302.00 | Price 1.30 | Shares 1,000
Sale 23 Nov 2015
Value US$129,213.70 | Price 1.21 | Shares 106,700
Buy 20 Nov 2015
Value US$1,159.30 | Price 1.16 | Shares 1,000
Sale 20 Nov 2015
Value US$102,216.49 | Price 1.15 | Shares 88,745
Sale 19 Nov 2015
Value US$11,119.34 | Price 1.38 | Shares 8,061
Buy 19 Nov 2015
Value US$3,000.00 | Price 1.50 | Shares 2,000
Buy 18 Nov 2015
Value US$2,789.80 | Price 1.39 | Shares 2,000
Sale 28 Oct 2015
Value US$198.00 | Price 2.00 | Shares 99
Sale 23 Oct 2015
Value US$4,000.00 | Price 2.00 | Shares 2,000
Sale 22 Oct 2015
Value US$13,732.00 | Price 2.00 | Shares 6,866
Sale 6 Oct 2015
Value US$5,108.00 | Price 2.00 | Shares 2,554
Sale 5 Oct 2015
Value US$5,902.96 | Price 2.11 | Shares 2,800
Sale 2 Oct 2015
Value US$9,400.00 | Price 2.00 | Shares 4,700
Sale 1 Oct 2015
Value US$44,493.84 | Price 2.06 | Shares 21,600
Sale 30 Sep 2015
Value US$12,680.00 | Price 2.00 | Shares 6,340
Sale 29 Sep 2015
Value US$3,657.15 | Price 2.15 | Shares 1,701
Sale 28 Sep 2015
Value US$26,500.00 | Price 2.65 | Shares 10,000
Sale 28 Sep 2015
Value US$28,425.69 | Price 2.17 | Shares 13,100
Buy 8 Sep 2014
Value US$546.00 | Price 3.00 | Shares 182
Buy 22 Aug 2014
Value US$17,097.00 | Price 3.00 | Shares 5,699
Buy 20 Aug 2014
Value US$520,166.25 | Price 3.75 | Shares 138,711
Buy 20 Aug 2014
Value US$487,500.00 | Price 3.75 | Shares 130,000
Buy 20 Aug 2014
Value US$49,875.00 | Price 3.75 | Shares 13,300
Buy 20 Aug 2014
Value US$19,875.00 | Price 3.75 | Shares 5,300
Buy 19 Aug 2014
Value US$200,345.35 | Price 3.05 | Shares 65,687
Buy 18 Aug 2014
Value US$14,640.00 | Price 3.05 | Shares 4,800
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-11 2026-05-07 B Purchase
3.1
Longcor Jarrod

Chief Operating Officer

Officer
58,797 -17.8%
201.43
US$796,280 		58,797 -17.8% 201.43 US$796,280
2026-05-11 2026-05-07 B Purchase
2.6
CARUSO JAMES V

Chief Executive Officer

Executive Director
38,679 +1.6%
452.38
US$3,064,809 		38,679 +1.6% 452.38 US$3,064,809
2025-12-16 2025-12-12 S Sale
2.4
NEIS JOHN
Non-Executive Director
94,660 -43.4%
102.01
US$2,959,509 		94,660 -43.4% 102.01 US$2,959,509
2025-07-03 2025-07-02 B Purchase
1.5
Kolean Chad J

Chief Financial Officer

Officer
5,000 +352.6%
4.99
US$24,950 		5,000 +352.6% 4.99 US$24,950
2025-07-03 2025-07-02 B Purchase
2.6
CARUSO JAMES V

Chief Executive Officer

Executive Director
10,000 +610.5%
4.99
US$49,900 		10,000 +610.5% 4.99 US$49,900
2025-07-03 2025-07-02 B Purchase
3.1
Longcor Jarrod

Chief Operating Officer

Officer
10,000 +361.3%
4.99
US$49,900 		10,000 +361.3% 4.99 US$49,900
2025-03-12 2025-01-10 B Purchase
3.1
Longcor Jarrod

Chief Operating Officer

Officer
30,000 +56.5%
0.28
US$8,400 		30,000 +56.5% 0.28 US$8,400
2021-09-14 2021-09-14 B Purchase
1.2
Swirsky Douglas J
Non-Executive Director
25,000 +inf%
1.04
US$26,000 		25,000 +inf% 1.04 US$26,000
2021-03-05 2021-03-04 B Purchase
2.6
CARUSO JAMES V

President and CEO

Executive Director
5,100 +6.3%
1.70
US$8,659 		5,100 +6.3% 1.70 US$8,659
2020-12-28 2020-12-28 B Purchase
3.1
Longcor Jarrod

Chief Business Officer

Officer
29,630 +40.9%
1.35
US$40,000 		29,630 +40.9% 1.35 US$40,000
2020-12-28 2020-12-28 B Purchase
2.4
Elefant Dov

Chief Financial Officer

Officer
7,407 +170.4%
1.35
US$9,999 		7,407 +170.4% 1.35 US$9,999
2020-12-28 2020-12-28 B Purchase
2.6
CARUSO JAMES V

President and CEO

Executive Director
37,037 +83.7%
1.35
US$50,000 		37,037 +83.7% 1.35 US$50,000
2020-06-08 2020-06-05 B Purchase
3.1
Longcor Jarrod

Chief Business Officer

Officer
65,218 +893.4%
1.15
US$74,675 		65,218 +893.4% 1.15 US$74,675
2020-06-08 2020-06-05 B Purchase
2.6
CARUSO JAMES V

President and CEO

Executive Director
21,740 +96.5%
1.15
US$24,892 		21,740 +96.5% 1.15 US$24,892
2020-06-08 2020-06-05 B Purchase
2.4
Elefant Dov

Chief Financial Officer

Officer
4,348 +inf%
1.15
US$4,978 		4,348 +inf% 1.15 US$4,978
2020-06-08 2020-06-04 B Purchase
3.0
HILL STEPHEN A
Non-Executive Director
18,000 +inf%
1.08
US$19,438 		18,000 +inf% 1.08 US$19,438
2019-03-01 2019-02-28 B Purchase
3.1
Longcor Jarrod

Chief Business Officer

Officer
100 +1.4%
2.00
US$200 		100 +1.4% 2.00 US$200
2018-11-30 2018-11-30 B Purchase
1.3
CARUSO JAMES V

President and CEO

Executive Director
1,000 +4.7%
2.28
US$2,282 		1,000 +4.7% 2.28 US$2,282
2018-11-30 2018-11-29 S Sale
3.6
HILL STEPHEN A
Non-Executive Director
53 -100.0%
2.21
US$117 		53 -100.0% 2.21 US$117
2018-11-30 2018-11-29 S Sale
3.6
HILL STEPHEN A
Non-Executive Director
939 -94.7%
2.21
US$2,075 		939 -94.7% 2.21 US$2,075
2018-08-17 2018-08-16 B Purchase
3.1
Longcor Jarrod

Chief Business Officer

Officer
500 +7.5%
2.71
US$1,355 		500 +7.5% 2.71 US$1,355
2018-03-14 2018-03-13 PlS Planned sale Longcor Jarrod

Chief Business Officer
13,000 -16.2%
1.18
US$15,397 		13,000 -16.2% 1.18 US$15,397
2018-03-14 2018-03-12 PlS Planned sale
1.3
CARUSO JAMES V

President and CEO

Executive Director
34,000 -13.7%
1.20
US$40,705 		34,000 -13.7% 1.20 US$40,705
2017-11-16 2017-11-14 S Sale NEIS JOHN
5,214 -0.8%
1.49
US$7,791 		5,214 -0.8% 1.49 US$7,791
2016-11-30 2016-11-29 B Purchase
3.5
NEIS JOHN
Non-Executive Director
333,333 +111.9%
1.49
US$496,666 		333,333 +111.9% 1.49 US$496,666
2016-11-01 2016-10-31 S Sale Hertzberg Richard

significant owner
21,000 -7.0%
2.03
US$42,609 		21,000 -7.0% 2.03 US$42,609
2016-06-14 2016-04-21 B Purchase Hertzberg Richard

Significant Owner
3,758 +1.3%
1.90
US$7,140 		3,758 +1.3% 1.90 US$7,140
2016-04-21 2016-04-20 B Purchase HILL STEPHEN A Non-Executive Director
9,390 +1771.7%
2.12
US$19,907 		9,390 +1771.7% 2.12 US$19,907
2016-04-21 2016-04-20 B Purchase
3.5
NEIS JOHN
Non-Executive Director
234,742 +371.2%
2.12
US$497,653 		234,742 +371.2% 2.12 US$497,653
2016-04-21 2016-04-20 B Purchase CARUSO JAMES V

President and CEO

Executive Director
46,948 +7824.7%
2.12
US$99,530 		46,948 +7824.7% 2.12 US$99,530
2016-04-21 2016-04-20 B Purchase BERNS PAUL L Non-Executive Director
117,371 +inf%
2.12
US$248,827 		117,371 +inf% 2.12 US$248,827
2016-06-14 2016-04-15 B Purchase Hertzberg Richard

Significant Owner
234,742 +375.6%
2.12
US$497,653 		234,742 +375.6% 2.12 US$497,653
2016-01-04 2015-12-31 S Sale AWM Investment Company, Inc. Large shareholder
35,253 -100.0%
0.70
US$24,518 		35,253 -100.0% 0.70 US$24,518
2016-01-04 2015-12-30 S Sale AWM Investment Company, Inc. Large shareholder
64,747 -64.7%
0.69
US$44,501 		64,747 -64.7% 0.69 US$44,501
2015-12-30 2015-12-29 S Sale AWM Investment Company, Inc. Large shareholder
82,847 -45.3%
0.69
US$57,405 		82,847 -45.3% 0.69 US$57,405
2015-12-29 2015-12-28 S Sale AWM Investment Company, Inc. Large shareholder
150,975 -45.2%
0.69
US$104,218 		150,975 -45.2% 0.69 US$104,218
2015-12-29 2015-12-24 S Sale AWM Investment Company, Inc. Large shareholder
216,991 -39.4%
0.76
US$164,826 		216,991 -39.4% 0.76 US$164,826
2015-12-23 2015-12-22 S Sale AWM Investment Company, Inc. Large shareholder
7,938 -1.4%
0.90
US$7,181 		7,938 -1.4% 0.90 US$7,181
2015-12-22 2015-12-21 S Sale AWM Investment Company, Inc. Large shareholder
20,621 -3.6%
0.92
US$19,019 		20,621 -3.6% 0.92 US$19,019
2015-12-22 2015-12-18 S Sale AWM Investment Company, Inc. Large shareholder
7,000 -1.2%
0.90
US$6,292 		7,000 -1.2% 0.90 US$6,292
2015-12-18 2015-12-17 S Sale AWM Investment Company, Inc. Large shareholder
18,240 -3.0%
0.88
US$16,080 		18,240 -3.0% 0.88 US$16,080
2015-12-18 2015-12-16 S Sale AWM Investment Company, Inc. Large shareholder
52,985 -8.1%
0.86
US$45,800 		52,985 -8.1% 0.86 US$45,800
2015-12-16 2015-12-15 S Sale AWM Investment Company, Inc. Large shareholder
44,965 -6.4%
0.82
US$37,065 		44,965 -6.4% 0.82 US$37,065
2015-12-08 2015-12-04 S Sale AWM Investment Company, Inc. Large shareholder
49,950 -6.6%
1.06
US$53,042 		49,950 -6.6% 1.06 US$53,042
2015-12-08 2015-12-04 S Sale AWM Investment Company, Inc. Large shareholder
1,000 -0.1%
1.14
US$1,140 		1,000 -0.1% 1.14 US$1,140
2015-12-03 2015-12-01 S Sale AWM Investment Company, Inc. Large shareholder
42,110 -5.3%
1.04
US$43,815 		42,110 -5.3% 1.04 US$43,815
2015-12-01 2015-11-25 S Sale AWM Investment Company, Inc. Large shareholder
4,378 -0.5%
1.20
US$5,265 		4,378 -0.5% 1.20 US$5,265
2015-11-25 2015-11-24 S Sale AWM Investment Company, Inc. Large shareholder
67,102 -7.7%
1.27
US$85,535 		67,102 -7.7% 1.27 US$85,535
2015-11-25 2015-11-24 B Purchase
1.3
CARUSO JAMES V

President and CEO

Executive Director
1,000 +20.0%
1.30
US$1,302 		1,000 +20.0% 1.30 US$1,302
2015-11-25 2015-11-23 S Sale AWM Investment Company, Inc. Large shareholder
106,700 -11.0%
1.21
US$129,214 		106,700 -11.0% 1.21 US$129,214
2015-11-24 2015-11-20 B Purchase
1.3
CARUSO JAMES V

President and CEO

Executive Director
1,000 +25.0%
1.16
US$1,159 		1,000 +25.0% 1.16 US$1,159
2015-11-23 2015-11-20 S Sale AWM Investment Company, Inc. Large shareholder
88,745 -8.4%
1.15
US$102,216 		88,745 -8.4% 1.15 US$102,216
2015-11-23 2015-11-19 S Sale AWM Investment Company, Inc. Large shareholder
8,061 -0.1%
1.38
US$11,119 		8,061 -0.1% 1.38 US$11,119
2015-11-19 2015-11-19 B Purchase
1.3
CARUSO JAMES V

President and CEO

Executive Director
2,000 +100.0%
1.50
US$3,000 		2,000 +100.0% 1.50 US$3,000
2015-11-19 2015-11-18 B Purchase
1.3
CARUSO JAMES V

President and CEO

Executive Director
2,000 +inf%
1.39
US$2,790 		2,000 +inf% 1.39 US$2,790
2015-10-29 2015-10-28 S Sale AWM Investment Company, Inc. Large shareholder
99 -0.0%
2.00
US$198 		99 -0.0% 2.00 US$198
2015-10-26 2015-10-23 S Sale AWM Investment Company, Inc. Large shareholder
2,000 -0.2%
2.00
US$4,000 		2,000 -0.2% 2.00 US$4,000
2015-10-26 2015-10-22 S Sale AWM Investment Company, Inc. Large shareholder
6,866 -0.6%
2.00
US$13,732 		6,866 -0.6% 2.00 US$13,732
2015-10-08 2015-10-06 S Sale AWM Investment Company, Inc. Large shareholder
2,554 -0.2%
2.00
US$5,108 		2,554 -0.2% 2.00 US$5,108
2015-10-06 2015-10-05 S Sale AWM Investment Company, Inc. Large shareholder
2,800 -0.3%
2.11
US$5,903 		2,800 -0.3% 2.11 US$5,903
2015-10-06 2015-10-02 S Sale AWM Investment Company, Inc. Large shareholder
4,700 -0.4%
2.00
US$9,400 		4,700 -0.4% 2.00 US$9,400
2015-10-02 2015-10-01 S Sale AWM Investment Company, Inc. Large shareholder
21,600 -1.9%
2.06
US$44,494 		21,600 -1.9% 2.06 US$44,494
2015-10-02 2015-09-30 S Sale AWM Investment Company, Inc. Large shareholder
6,340 -0.6%
2.00
US$12,680 		6,340 -0.6% 2.00 US$12,680
2015-09-30 2015-09-29 S Sale AWM Investment Company, Inc. Large shareholder
1,701 -0.2%
2.15
US$3,657 		1,701 -0.2% 2.15 US$3,657
2015-09-30 2015-09-28 S Sale AWM Investment Company, Inc. Large shareholder
10,000 -0.9%
2.65
US$26,500 		10,000 -0.9% 2.65 US$26,500
2015-09-30 2015-09-28 S Sale AWM Investment Company, Inc. Large shareholder
13,100 -1.1%
2.17
US$28,426 		13,100 -1.1% 2.17 US$28,426
2014-09-10 2014-09-08 B Purchase MARXE AUSTIN W & GREENHOUSE DAVID M Large shareholder
182 +0.0%
3.00
US$546 		182 +0.0% 3.00 US$546
2014-09-08 2014-08-22 B Purchase MARXE AUSTIN W & GREENHOUSE DAVID M Large shareholder
5,699 +0.5%
3.00
US$17,097 		5,699 +0.5% 3.00 US$17,097
2014-08-22 2014-08-20 B Purchase NEIS JOHN Non-Executive Director
138,711 +28.1%
3.75
US$520,166 		138,711 +28.1% 3.75 US$520,166
2014-08-22 2014-08-20 B Purchase Pedder Simon

President and CEO

Executive Director
13,300 +inf%
3.75
US$49,875 		13,300 +inf% 3.75 US$49,875
2014-08-22 2014-08-20 B Purchase NEIS JOHN Non-Executive Director
130,000 +35.7%
3.75
US$487,500 		130,000 +35.7% 3.75 US$487,500
2014-08-22 2014-08-20 B Purchase
3.6
HILL STEPHEN A
Non-Executive Director
5,300 +inf%
3.75
US$19,875 		5,300 +inf% 3.75 US$19,875
2014-09-08 2014-08-19 B Purchase MARXE AUSTIN W & GREENHOUSE DAVID M Large shareholder
65,687 +6.1%
3.05
US$200,345 		65,687 +6.1% 3.05 US$200,345
2014-09-08 2014-08-18 B Purchase MARXE AUSTIN W & GREENHOUSE DAVID M Large shareholder
4,800 +0.5%
3.05
US$14,640 		4,800 +0.5% 3.05 US$14,640
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