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Perspective Therapeutics, Inc.

CATX Net buying
CIK 0000728387 #3362 in the set updated 17 Sep 2026
Bought (120 mo)
$59.60M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$1.62M
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$1.62M
7 of 7 sales
Net
+$57.98M
+$57.98M against sales at will

By person

18 insiders · 152 transactions
0.2×

Johan (Thijs) Spoor holds only 0.2 times base salary in stock. $201.52K of shares against $680.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Johan (Thijs) Spoor last reported holding, valued at $3.15, the price Common Stock was last bought or sold at on the open market here, on 4 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Lantheus Alpha Therapy, LLC entity
10% owner
$57.41M (1)
$1.27M (5)
+$56.14M
11,273,364
9.88%
$35.48M
—
Williamson Robert F III
Director
$493.67K (25)
—
+$493.67K
118,846
0.1041%
$374.03K
—
Woods Lori A
Director
$417.30K (15)
—
+$417.30K
1,078,574
0.9449%
$3.39M
—
Lantheus Holdings, Inc. entity
10% owner
—
$357.18K (2)
−$357.18K
11,563,425
10.13%
$36.39M
−1.0%
Puhlmann Markus
Chief Medical Officer
$328.63K (4)
—
+$328.63K
1,375,425
1.20%
$4.33M
+175.1%
Spoor Johan M.
Chief Executive Officer
$307.70K (7)
—
+$307.70K
64,033
0.0561%
$201.52K
—
Hunt Jonathan Robert
Chief Accounting Officer
$234.94K (14)
—
+$234.94K
59,800
0.0524%
$188.20K
—
HENSON HEIDI
Director
$100.00K (1)
—
+$100.00K
25,975
0.0228%
$81.75K
—
Graham Juan
Chief Financial Officer
$74.95K (1)
—
+$74.95K
35,354
0.0310%
$111.27K
+1,649%
Krachon Michael
EVP of Sales & Marketing
$61.87K (17)
—
+$61.87K
133,844
0.1173%
$421.23K
—
Vitale Philip J
Director
$54.12K (21)
—
+$54.12K
240,000
0.2102%
$755.33K
+84.6%
LAVOY THOMAS C
CEO and Chairman of the Board
$44.56K (4)
—
+$44.56K
316,333
0.2771%
$995.56K
+120.4%
Hoffmann Alan
Director
$31.40K (3)
—
+$31.40K
64,230
0.0563%
$202.14K
—
Austin Mark John
VP Finance/Prin Fin&Acct Offic
$22.58K (11)
—
+$22.58K
84,030
0.0736%
$264.46K
—
Cavanagh William
Chief R&D Officer
$11.90K (3)
—
+$11.90K
27,692
0.0243%
$87.15K
—
McCormick Michael W
Director
$10.00K (1)
—
+$10.00K
41,230
0.0361%
$129.76K
+87.4%
Streeter Jennifer
COO & VP of HR
—
—
—
87,940
0.0770%
$276.76K
+469.6%
Cline Krista
Dir. of Operations, Secretary
—
—
—
22,933
0.0201%
$72.17K
+2,120%

Individual transactions

128
Insider
Date
Role
Action
Shares
Price
Amount
Hunt Jonathan Robert
13 Nov 2025
Chief Accounting Officer
Buy
11,000
$2.03
$22.29K
Williamson Robert F III
12 Nov 2025
Director
Buy indirect
9,498
$2.10
$19.95K
Woods Lori A
31 Mar 2025
Director
Buy indirect
23,475
$2.13
$50.00K
Williamson Robert F III
31 Mar 2025
Director
Buy
38,145
$2.14
$81.78K
Graham Juan
28 Mar 2025
Chief Financial Officer
Buy
33,333
$2.25
$74.95K
Williamson Robert F III
28 Mar 2025
Director
Buy
22,192
$2.27
$50.38K
Spoor Johan M.
28 Mar 2025
Chief Executive Officer
Buy indirect
4,650
$2.21
$10.29K
Spoor Johan M.
28 Mar 2025
Chief Executive Officer
Buy
22,026
$2.24
$49.38K
Spoor Johan M.
4 Dec 2024
CEO
Buy
8,000
$3.77
$30.13K
HENSON HEIDI
4 Dec 2024
Director
Buy indirect
25,975
$3.85
$100.00K
Spoor Johan M.
25 Nov 2024
CEO
Buy indirect
6,600
$3.80
$25.08K
Spoor Johan M.
25 Nov 2024
CEO
Buy indirect
5,400
$3.80
$20.52K
Spoor Johan M.
25 Nov 2024
CEO
Buy
14,500
$3.78
$54.87K
Hunt Jonathan Robert
25 Nov 2024
Chief Financial Officer
Buy
10,000
$3.88
$38.80K
Hunt Jonathan Robert
25 Nov 2024
Chief Financial Officer
Buy
2,400
$3.60
$8.64K
Hunt Jonathan Robert
25 Nov 2024
Chief Financial Officer
Buy
29
$3.94
$114.26
Hunt Jonathan Robert
25 Nov 2024
Chief Financial Officer
Buy
400
$3.55
$1.42K
Williamson Robert F III
25 Nov 2024
Director
Buy
2,619
$3.67
$9.61K
Williamson Robert F III
25 Nov 2024
Director
Buy
3,647
$3.62
$13.20K
Hunt Jonathan Robert
17 Jun 2024
Chief Financial Officer
Buy
1,800
$9.82
$17.67K
Woods Lori A
14 Jun 2024
Director
Buy indirect
83
$10.80
$896.40
Woods Lori A
14 Jun 2024
Director
Buy indirect
4,504
$10.90
$49.09K
Spoor Johan M.
13 Jun 2024
CEO
Buy
100,000
$1.17
$117.43K
Woods Lori A
3 Jun 2024
Director
Buy indirect
34,246
$1.46
$49.99K
Williamson Robert F III
31 May 2024
Director
Buy
55,000
$1.38
$75.90K
Hunt Jonathan Robert
31 May 2024
Chief Financial Officer
Buy
12,000
$1.40
$16.80K
Hunt Jonathan Robert
31 May 2024
Chief Financial Officer
Buy
13,006
$1.40
$18.21K
Williamson Robert F III
29 May 2024
Director
Buy
18,656
$1.34
$25.00K
Williamson Robert F III
29 May 2024
Director
Buy
11,375
$1.32
$15.02K
Lantheus Alpha Therapy, LLC
6 Mar 2024
10% owner
Buy
60,431,039
$0.95
$57.41M
Williamson Robert F III
30 Jan 2024
Director
Buy
3,500
$0.70
$2.45K
Williamson Robert F III
30 Jan 2024
Director
Buy
42,879
$0.72
$30.87K
Williamson Robert F III
30 Jan 2024
Director
Buy
57,121
$0.71
$40.56K
Williamson Robert F III
30 Jan 2024
Director
Buy
5,127
$0.71
$3.64K
Williamson Robert F III
30 Jan 2024
Director
Buy
18,579
$0.71
$13.19K
Williamson Robert F III
29 Jan 2024
Director
Buy
21,235
$0.64
$13.59K
Williamson Robert F III
29 Jan 2024
Director
Buy
4,031
$0.64
$2.58K
Williamson Robert F III
26 Jan 2024
Director
Buy
50,000
$0.54
$27.00K
Williamson Robert F III
26 Jan 2024
Director
Buy
25,000
$0.55
$13.75K
Williamson Robert F III
26 Jan 2024
Director
Buy
8,513
$0.59
$5.02K
Williamson Robert F III
26 Jan 2024
Director
Buy
14,850
$0.61
$9.06K
Williamson Robert F III
26 Jan 2024
Director
Buy
12,250
$0.61
$7.47K
Williamson Robert F III
25 Jan 2024
Director
Buy
22,134
$0.49
$10.85K
Williamson Robert F III
24 Jan 2024
Director
Buy
29,862
$0.49
$14.63K
Puhlmann Markus
24 Jan 2024
Chief Medical Officer
Buy
280,000
$0.50
$139.89K
Williamson Robert F III
21 Dec 2023
Director
Buy indirect
3,663
$0.33
$1.20K
Puhlmann Markus
19 Dec 2023
Chief Medical Officer
Buy
400,000
$0.34
$137.00K
Williamson Robert F III
19 Dec 2023
Director
Buy
13,680
$0.32
$4.38K
Puhlmann Markus
18 Dec 2023
Chief Medical Officer
Buy
60,419
$0.26
$15.46K
Williamson Robert F III
18 Dec 2023
Director
Buy
10,000
$0.26
$2.60K
Hunt Jonathan Robert
18 Dec 2023
Chief Financial Officer
Buy
125,000
$0.26
$32.34K
Woods Lori A
15 Dec 2023
Director
Buy indirect
152,962
$0.27
$41.28K
Puhlmann Markus
15 Dec 2023
Chief Medical Officer
Buy
135,006
$0.27
$36.28K
Woods Lori A
14 Dec 2023
Director
Buy indirect
32,238
$0.27
$8.70K
Hunt Jonathan Robert
5 Dec 2022
Chief Financial Officer
Buy
32,200
$0.38
$12.24K
Hunt Jonathan Robert
1 Dec 2022
Chief Financial Officer
Buy
53,204
$0.38
$20.27K
Woods Lori A
15 Nov 2022
CEO
Buy indirect
100,000
$0.34
$33.54K
Austin Mark John
9 Jun 2022
VP Finance/Prin Fin&Acct Offic
Buy
13,800
$0.29
$3.96K
Hunt Jonathan Robert
8 Jun 2022
Chief Financial Officer
Buy
25,675
$0.29
$7.44K
Austin Mark John
8 Jun 2022
VP Finance/Prin Fin&Acct Offic
Buy
5,000
$0.29
$1.43K
Hunt Jonathan Robert
7 Jun 2022
Chief Financial Officer
Buy
13,325
$0.28
$3.72K
Woods Lori A
7 Jun 2022
CEO
Buy indirect
75,000
$0.30
$22.23K
Woods Lori A
30 Nov 2020
CEO
Buy indirect
68,000
$0.38
$25.53K
Woods Lori A
22 Oct 2020
CEO
Buy
48,076
$0.52
$25.00K
Vitale Philip J
22 Oct 2020
Director
Buy indirect
20,000
$0.52
$10.40K
Hoffmann Alan
22 Oct 2020
Director
Buy
19,230
$0.52
$10.00K
McCormick Michael W
22 Oct 2020
Director
Buy
19,230
$0.52
$10.00K
Cavanagh William
22 Oct 2020
Chief R&D Officer
Buy
7,692
$0.52
$4.00K
Hunt Jonathan Robert
22 Oct 2020
Chief Financial Officer
Buy
67,306
$0.52
$35.00K
Krachon Michael
22 Oct 2020
EVP of Sales & Marketing
Buy
28,844
$0.52
$15.00K
Austin Mark John
22 Oct 2020
Controller/Prin Fin&Acct Offic
Buy
19,230
$0.52
$10.00K
Krachon Michael
20 Nov 2019
VP of Sales & Marketing
Buy indirect
50,000
$0.39
$19.50K
Cavanagh William
15 Nov 2019
Chief R&D Officer
Buy
10,000
$0.39
$3.90K
Woods Lori A
15 Nov 2019
CEO
Buy
25,000
$0.39
$9.75K
Woods Lori A
14 Nov 2019
CEO
Buy
125,000
$0.40
$49.55K
Hoffmann Alan
20 Nov 2018
Director
Buy indirect
25,000
$0.40
$10.00K
Cavanagh William
16 Nov 2018
COO, CSO
Buy
10,000
$0.40
$4.00K
Austin Mark John
16 Nov 2018
Controller/Prin Fin&Acct Offic
Buy
4,283
$0.40
$1.70K
Woods Lori A
15 Nov 2018
Interim CEO
Buy
635
$0.40
$251.84
Woods Lori A
15 Nov 2018
Interim CEO
Buy
4,365
$0.40
$1.74K
Woods Lori A
14 Nov 2018
Interim CEO
Buy
125,000
$0.40
$49.74K
Vitale Philip J
13 Nov 2018
Director
Buy
30,000
$0.43
$12.90K
Austin Mark John
13 Nov 2018
Controller/Prin Fin&Acct Offic
Buy
2,452
$0.41
$1.01K
Vitale Philip J
14 Mar 2018
Director
Buy
10,000
$0.44
$4.40K
LAVOY THOMAS C
1 Mar 2018
CEO and Chairman of the Board
Buy
45,814
$0.44
$20.16K
LAVOY THOMAS C
1 Mar 2018
CEO and Chairman of the Board
Buy
4,186
$0.43
$1.80K
Austin Mark John
24 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
1,025
$0.49
$502.25
Austin Mark John
24 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
515
$0.50
$254.93
Austin Mark John
24 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
500
$0.50
$247.50
Austin Mark John
22 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
1,825
$0.49
$894.25
Austin Mark John
21 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
3,400
$0.49
$1.65K
Austin Mark John
21 Nov 2017
Controller/Prin Fin&Acct Offic
Buy
2,000
$0.47
$942.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
3,900
$0.48
$1.87K
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
100
$0.48
$48.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
200
$0.47
$94.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
200
$0.48
$96.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
40
$0.49
$19.60
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
300
$0.47
$141.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
10,160
$0.50
$5.08K
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
200
$0.46
$92.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
500
$0.47
$235.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
126
$0.47
$59.22
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
1,400
$0.50
$700.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
700
$0.50
$350.00
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
10,600
$0.50
$5.30K
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
6,965
$0.50
$3.48K
Krachon Michael
20 Nov 2017
VP of Sales & Marketing
Buy
19,609
$0.50
$9.80K
Vitale Philip J
16 Nov 2017
Director
Buy
100
$0.44
$44.40
Vitale Philip J
16 Nov 2017
Director
Buy
600
$0.45
$269.40
Vitale Philip J
16 Nov 2017
Director
Buy
12,851
$0.45
$5.78K
Vitale Philip J
16 Nov 2017
Director
Buy
300
$0.44
$132.75
Vitale Philip J
16 Nov 2017
Director
Buy
300
$0.44
$130.86
Vitale Philip J
16 Nov 2017
Director
Buy
496
$0.44
$218.19
Vitale Philip J
16 Nov 2017
Director
Buy
1,606
$0.44
$706.64
Vitale Philip J
16 Nov 2017
Director
Buy
1,400
$0.44
$614.60
Vitale Philip J
16 Nov 2017
Director
Buy
18
$0.44
$7.83
Vitale Philip J
16 Nov 2017
Director
Buy
3,049
$0.44
$1.34K
Vitale Philip J
16 Nov 2017
Director
Buy
400
$0.44
$175.56
Vitale Philip J
16 Nov 2017
Director
Buy
200
$0.43
$86.08
Vitale Philip J
16 Nov 2017
Director
Buy
8,480
$0.43
$3.65K
Vitale Philip J
16 Nov 2017
Director
Buy
100
$0.43
$42.51
Vitale Philip J
16 Nov 2017
Director
Buy
100
$0.43
$42.50
LAVOY THOMAS C
10 Mar 2017
CEO
Buy
20,000
$0.53
$10.60K
Vitale Philip J
4 Jan 2017
Director
Buy
2,700
$0.66
$1.77K
Vitale Philip J
4 Jan 2017
Director
Buy
100
$0.66
$65.75
Vitale Philip J
4 Jan 2017
Director
Buy
17,200
$0.66
$11.35K
Hoffmann Alan
8 Dec 2016
Director
Buy indirect
20,000
$0.57
$11.40K
LAVOY THOMAS C
17 Nov 2016
CEO
Buy
20,000
$0.60
$12.00K
Show all 152 transactions →

What was left out

Form 4 filings counted 168
Amendments (4/A) skipped 7
Filings about a different issuer 0
Unreadable filings 0
Joint filings 3
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 7
Transactions with no price 0
Shares from compensation/vesting 1,018,748
History held since 21 Nov 2016