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United States Biotechnology & Medical Research

Tonix Pharmaceuticals Holding Corp (TNXP)

Track

Over the last 90 days, Tonix Pharmaceuticals Holding Corp. has seen insider buying totaling $403,650, with executives accounting for $345,400. There were 5 transactions, all purchases, indicating a net buy of $403,650. The CEO, Seth Lederman, was notably active, making multiple purchases.
Stock chart
Ticker: TNXP Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Taylor Carolyn E.
1 purchase — total 100,000 USD
Buy 12 Jun 2026
Value US$4,283,200.79 | Price 424.28 | Shares 21,159
Buy 9 Jun 2026
Value US$2,932,904.16 | Price 136.97 | Shares 66,933
Buy 8 Jun 2026
Value US$100,000.00 | Price 11.65 | Shares 1,000
Buy 31 Mar 2026
Value US$63,100.00 | Price 12.62 | Shares 5,000
Buy 18 Mar 2026
Value US$223,350.00 | Price 14.89 | Shares 15,000
Buy 21 Aug 2025
Value US$15,060.54 | Price 36.03 | Shares 418
Buy 20 Aug 2025
Value US$9,000.00 | Price 36.00 | Shares 250
Buy 15 May 2025
Value US$86,200.00 | Price 21.55 | Shares 4,000
Buy 29 Jun 2022
Value US$34,200.00 | Price 1.71 | Shares 20,000
Buy 25 Mar 2022
Value US$24,500.00 | Price 0.25 | Shares 100,000
Buy 28 Sep 2021
Value US$7,320.00 | Price 0.61 | Shares 12,000
Buy 25 May 2021
Value US$5,600.00 | Price 1.12 | Shares 5,000
Buy 24 Mar 2021
Value US$22,087.56 | Price 1.32 | Shares 16,733
Buy 30 Dec 2020
Value US$23,800.00 | Price 0.68 | Shares 35,000
Buy 31 Aug 2020
Value US$4,895.00 | Price 0.89 | Shares 5,500
Buy 20 Aug 2020
Value US$4,997.46 | Price 0.93 | Shares 5,391
Buy 17 Aug 2020
Value US$20,600.00 | Price 1.03 | Shares 20,000
Buy 14 Aug 2020
Value US$4,770.00 | Price 1.06 | Shares 4,500
Buy 13 Aug 2020
Value US$9,100.00 | Price 0.91 | Shares 10,000
Buy 13 Aug 2020
Value US$54,600.00 | Price 0.91 | Shares 60,000
Buy 13 Aug 2020
Value US$5,029.00 | Price 0.94 | Shares 5,350
Buy 3 Dec 2019
Value US$23,180.00 | Price 1.16 | Shares 20,000
Buy 29 Mar 2019
Value US$12,440.00 | Price 2.49 | Shares 5,000
Buy 26 Mar 2019
Value US$59,375.00 | Price 2.38 | Shares 25,000
Buy 29 Jun 2018
Value US$2,320.00 | Price 4.64 | Shares 500
Buy 28 Jun 2018
Value US$2,290.00 | Price 4.58 | Shares 500
Buy 27 Jun 2018
Value US$2,275.00 | Price 4.55 | Shares 500
Buy 25 Jun 2018
Value US$73,920.00 | Price 4.48 | Shares 16,500
Buy 14 Jun 2018
Value US$39,650.00 | Price 3.97 | Shares 10,000
Buy 14 Jun 2018
Value US$1,257.00 | Price 4.19 | Shares 300
Buy 14 Jun 2018
Value US$1,230.00 | Price 4.10 | Shares 300
Buy 12 Jun 2018
Value US$8,740.00 | Price 4.37 | Shares 2,000
Buy 12 Jun 2018
Value US$4,370.00 | Price 4.37 | Shares 1,000
Buy 1 Jun 2018
Value US$24,975.00 | Price 3.33 | Shares 7,500
Buy 25 May 2018
Value US$12,680.00 | Price 3.17 | Shares 4,000
Buy 26 Dec 2017
Value US$19,133.00 | Price 3.61 | Shares 5,300
Sale 21 Dec 2017
Value US$17,300.00 | Price 3.46 | Shares 5,000
Sale 20 Dec 2017
Value US$30,839.60 | Price 3.44 | Shares 8,965
Sale 19 Dec 2017
Value US$21,182.85 | Price 3.51 | Shares 6,035
Sale 18 Dec 2017
Value US$35,700.00 | Price 3.57 | Shares 10,000
Sale 15 Dec 2017
Value US$17,750.00 | Price 3.55 | Shares 5,000
Sale 14 Dec 2017
Value US$7,041.86 | Price 3.58 | Shares 1,967
Buy 17 Aug 2017
Value US$45,067.50 | Price 3.00 | Shares 15,000
Buy 16 Aug 2017
Value US$14,950.00 | Price 2.99 | Shares 5,000
Buy 30 Jun 2017
Value US$21,640.00 | Price 4.33 | Shares 5,000
Sale 30 Jun 2017
Value US$26,117.19 | Price 4.28 | Shares 6,105
Buy 26 Jun 2017
Value US$21,999.50 | Price 4.40 | Shares 5,000
Buy 20 Jun 2017
Value US$84,400.00 | Price 4.22 | Shares 20,000
Buy 23 Nov 2016
Value US$48,600.00 | Price 0.41 | Shares 120,000
Buy 21 Nov 2016
Value US$41,924.40 | Price 0.43 | Shares 98,000
Buy 31 Oct 2016
Value US$0.00 | Price 0.00 | Shares 25,000
Buy 31 Oct 2016
Value US$0.00 | Price 0.00 | Shares 10,000
Buy 31 Oct 2016
Value US$0.00 | Price 0.00 | Shares 100,000
Buy 13 Sep 2016
Value US$79,180.00 | Price 0.79 | Shares 100,000
Buy 22 Jun 2016
Value US$41,500.00 | Price 2.08 | Shares 20,000
Buy 21 Jun 2016
Value US$50,000.00 | Price 2.00 | Shares 25,000
Buy 21 Jun 2016
Value US$50,000.00 | Price 2.00 | Shares 25,000
Buy 21 Jun 2016
Value US$4,000.00 | Price 2.00 | Shares 2,000
Buy 21 Jun 2016
Value US$100,000.00 | Price 2.00 | Shares 50,000
Buy 21 Jun 2016
Value US$200,000.00 | Price 2.00 | Shares 100,000
Buy 21 Jun 2016
Value US$50,000.00 | Price 2.00 | Shares 25,000
Buy 3 Jun 2016
Value US$49,916.00 | Price 2.50 | Shares 20,000
Buy 12 May 2016
Value US$71,356.25 | Price 2.30 | Shares 31,042
Buy 11 May 2016
Value US$18,399.43 | Price 2.24 | Shares 8,210
Buy 23 Mar 2016
Value US$19,536.80 | Price 2.44 | Shares 8,000
Buy 16 Mar 2016
Value US$171,712.50 | Price 2.29 | Shares 75,000
Buy 30 Sep 2015
Value US$25,900.00 | Price 5.18 | Shares 5,000
Buy 28 Sep 2015
Value US$2,330.00 | Price 5.83 | Shares 400
Buy 28 Sep 2015
Value US$27,925.08 | Price 5.95 | Shares 4,694
Buy 25 Sep 2015
Value US$39,000.00 | Price 6.50 | Shares 6,000
Buy 26 Aug 2015
Value US$60,500.00 | Price 6.05 | Shares 10,000
Buy 25 Aug 2015
Value US$9,395.20 | Price 6.40 | Shares 1,468
Buy 24 Aug 2015
Value US$15,698.40 | Price 6.20 | Shares 2,532
Buy 20 Aug 2015
Value US$39,867.00 | Price 6.64 | Shares 6,000
Buy 17 Aug 2015
Value US$104,017.50 | Price 6.93 | Shares 15,000
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
2026-06-15 2026-06-12 B Purchase
0.5
Taylor Carolyn E.
Non-Executive Director
21,159 -29.5%
424.28
US$4,283,201 		21,159 -29.5% 424.28 US$4,283,201
2026-06-09 2026-06-09 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
66,933 +32.5%
136.97
US$2,932,904 		66,933 +32.5% 136.97 US$2,932,904
2026-06-09 2026-06-08 B Purchase
Stillwell Richard Newcomb
Non-Executive Director
99,117 -16.6%
327.29
US$304,660 		99,117 -16.6% 327.29 US$304,660
2026-04-01 2026-03-31 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
5,000 +33.3%
12.62
US$63,100 		5,000 +33.3% 12.62 US$63,100
2026-03-18 2026-03-18 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
15,000 +1500000.0%
14.89
US$223,350 		15,000 +1500000.0% 14.89 US$223,350
2025-08-21 2025-08-21 B Purchase
0.5
Taylor Carolyn E.
Non-Executive Director
418 +inf%
36.03
US$15,061 		418 +inf% 36.03 US$15,061
2025-08-20 2025-08-20 B Purchase
1.2
Treco James
Non-Executive Director
250 +inf%
36.00
US$9,000 		250 +inf% 36.00 US$9,000
2025-05-15 2025-05-15 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
4,000 +80000.0%
21.55
US$86,200 		4,000 +80000.0% 21.55 US$86,200
2022-07-01 2022-06-29 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
20,000 +472.3%
1.71
US$34,200 		20,000 +472.3% 1.71 US$34,200
2022-03-28 2022-03-25 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
100,000 +821.2%
0.25
US$24,500 		100,000 +821.2% 0.25 US$24,500
2021-09-28 2021-09-28 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
12,000 +6779.7%
0.61
US$7,320 		12,000 +6779.7% 0.61 US$7,320
2021-05-26 2021-05-25 B Purchase
0.7
Goodman Daniel Wintner
Non-Executive Director
5,000 +500000.0%
1.12
US$5,600 		5,000 +500000.0% 1.12 US$5,600
2021-03-25 2021-03-24 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
16,733 +14.1%
1.32
US$22,088 		16,733 +14.1% 1.32 US$22,088
2021-01-04 2020-12-30 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
35,000 +42.0%
0.68
US$23,800 		35,000 +42.0% 0.68 US$23,800
2020-09-01 2020-08-31 B Purchase
1.2
Treco James
Non-Executive Director
5,500 +122.2%
0.89
US$4,895 		5,500 +122.2% 0.89 US$4,895
2020-08-24 2020-08-20 B Purchase
1.2
Bell Margaret Smith
Non-Executive Director
5,391 +inf%
0.93
US$4,997 		5,391 +inf% 0.93 US$4,997
2020-08-19 2020-08-17 B Purchase
0.6
SULLIVAN GREGORY M

Chief Medical Officer

Officer
20,000 +1423.5%
1.03
US$20,600 		20,000 +1423.5% 1.03 US$20,600
2020-08-17 2020-08-14 B Purchase
1.2
Treco James
Non-Executive Director
4,500 +inf%
1.06
US$4,770 		4,500 +inf% 1.06 US$4,770
2020-08-17 2020-08-13 B Purchase
0.6
BAGGER RICHARD H
Non-Executive Director
10,000 +inf%
0.91
US$9,100 		10,000 +inf% 0.91 US$9,100
2020-08-17 2020-08-13 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
60,000 +257.9%
0.91
US$54,600 		60,000 +257.9% 0.91 US$54,600
2020-08-17 2020-08-13 B Purchase
2.6
OLUKOTUN ADEOYE Y
Non-Executive Director
5,350 +inf%
0.94
US$5,029 		5,350 +inf% 0.94 US$5,029
2019-12-04 2019-12-03 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
20,000 +612.2%
1.16
US$23,180 		20,000 +612.2% 1.16 US$23,180
2019-04-01 2019-03-29 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
5,000 +18.1%
2.49
US$12,440 		5,000 +18.1% 2.49 US$12,440
2019-03-28 2019-03-26 B Purchase
3.3
LEDERMAN SETH

Chief Executive Officer

Executive Director
25,000 +936.3%
2.38
US$59,375 		25,000 +936.3% 2.38 US$59,375
2018-07-02 2018-06-29 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
500 +2.9%
4.64
US$2,320 		500 +2.9% 4.64 US$2,320
2018-06-29 2018-06-28 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
500 +3.0%
4.58
US$2,290 		500 +3.0% 4.58 US$2,290
2018-06-28 2018-06-27 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
500 +3.1%
4.55
US$2,275 		500 +3.1% 4.55 US$2,275
2018-06-27 2018-06-25 B Purchase MARIO ERNEST
16,500 +49.3%
4.48
US$73,920 		16,500 +49.3% 4.48 US$73,920
2018-06-15 2018-06-14 B Purchase SULLIVAN GREGORY M

Chief Medical Officer

Officer
10,000 +95.4%
3.97
US$39,650 		10,000 +95.4% 3.97 US$39,650
2018-06-14 2018-06-14 B Purchase MORRIS JESSICA EDGAR

Chief Operating Officer

Officer
300 +22.4%
4.19
US$1,257 		300 +22.4% 4.19 US$1,257
2018-06-14 2018-06-14 B Purchase SAENGER BRADLEY

Chief Financial Officer

Officer
300 +10.8%
4.10
US$1,230 		300 +10.8% 4.10 US$1,230
2018-06-14 2018-06-12 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
2,000 +10.8%
4.37
US$8,740 		2,000 +10.8% 4.37 US$8,740
2018-06-14 2018-06-12 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
1,000 +6.6%
4.37
US$4,370 		1,000 +6.6% 4.37 US$4,370
2018-06-06 2018-06-01 B Purchase Rhodes John B Non-Executive Director
7,500 +47.0%
3.33
US$24,975 		7,500 +47.0% 3.33 US$24,975
2018-05-30 2018-05-25 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
4,000 +17.6%
3.17
US$12,680 		4,000 +17.6% 3.17 US$12,680
2017-12-27 2017-12-26 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
5,300 +30.5%
3.61
US$19,133 		5,300 +30.5% 3.61 US$19,133
2017-12-22 2017-12-21 S Sale MARIO ERNEST
5,000 -17.5%
3.46
US$17,300 		5,000 -17.5% 3.46 US$17,300
2017-12-22 2017-12-20 S Sale MARIO ERNEST
8,965 -23.9%
3.44
US$30,840 		8,965 -23.9% 3.44 US$30,840
2017-12-22 2017-12-19 S Sale MARIO ERNEST
6,035 -13.9%
3.51
US$21,183 		6,035 -13.9% 3.51 US$21,183
2017-12-22 2017-12-18 S Sale MARIO ERNEST
10,000 -18.7%
3.57
US$35,700 		10,000 -18.7% 3.57 US$35,700
2017-12-22 2017-12-15 S Sale MARIO ERNEST
5,000 -8.5%
3.55
US$17,750 		5,000 -8.5% 3.55 US$17,750
2017-12-22 2017-12-14 S Sale MARIO ERNEST
1,967 -3.4%
3.58
US$7,042 		1,967 -3.4% 3.58 US$7,042
2017-08-18 2017-08-17 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
15,000 +42.9%
3.00
US$45,068 		15,000 +42.9% 3.00 US$45,068
2017-08-18 2017-08-16 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
5,000 +16.7%
2.99
US$14,950 		5,000 +16.7% 2.99 US$14,950
2017-06-30 2017-06-30 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
5,000 +20.0%
4.33
US$21,640 		5,000 +20.0% 4.33 US$21,640
2017-06-30 2017-06-30 S Sale MARIO ERNEST
6,105 -50.9%
4.28
US$26,117 		6,105 -50.9% 4.28 US$26,117
2017-06-26 2017-06-26 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
5,000 +25.0%
4.40
US$22,000 		5,000 +25.0% 4.40 US$22,000
2017-06-20 2017-06-20 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
20,000 +inf%
4.22
US$84,400 		20,000 +inf% 4.22 US$84,400
2016-11-28 2016-11-23 B Purchase MARIO ERNEST Non-Executive Director
120,000 +inf%
0.41
US$48,600 		120,000 +inf% 0.41 US$48,600
2016-11-22 2016-11-21 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
98,000 +280.0%
0.43
US$41,924 		98,000 +280.0% 0.43 US$41,924
2016-10-31 2016-10-31 B Purchase Rhodes John B Non-Executive Director
25,000
0.00
US$0 		25,000 0.00 US$0
2016-10-31 2016-10-31 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
10,000
0.00
US$0 		10,000 0.00 US$0
2016-10-31 2016-10-31 B Purchase MARIO ERNEST Non-Executive Director
100,000
0.00
US$0 		100,000 0.00 US$0
2016-09-14 2016-09-13 B Purchase MARIO ERNEST Non-Executive Director
100,000 +23.2%
0.79
US$79,180 		100,000 +23.2% 0.79 US$79,180
2016-06-22 2016-06-22 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
20,000 +inf%
2.08
US$41,500 		20,000 +inf% 2.08 US$41,500
2016-06-21 2016-06-21 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
25,000 +416.7%
2.00
US$50,000 		25,000 +416.7% 2.00 US$50,000
2016-06-21 2016-06-21 B Purchase Rhodes John B Non-Executive Director
25,000 +28.7%
2.00
US$50,000 		25,000 +28.7% 2.00 US$50,000
2016-06-21 2016-06-21 B Purchase SAENGER BRADLEY

Chief Financial Officer

Officer
2,000 +49.5%
2.00
US$4,000 		2,000 +49.5% 2.00 US$4,000
2016-06-21 2016-06-21 B Purchase MARIO ERNEST Non-Executive Director
50,000 +13.1%
2.00
US$100,000 		50,000 +13.1% 2.00 US$100,000
2016-06-21 2016-06-21 B Purchase DAUGHERTY BRUCE

See remarks

Officer
100,000 +inf%
2.00
US$200,000 		100,000 +inf% 2.00 US$200,000
2016-06-21 2016-06-21 B Purchase Saks Samuel R Non-Executive Director
25,000 +64.9%
2.00
US$50,000 		25,000 +64.9% 2.00 US$50,000
2016-06-03 2016-06-03 B Purchase SULLIVAN GREGORY M

Chief Medical Officer

Officer
20,000 +86.3%
2.50
US$49,916 		20,000 +86.3% 2.50 US$49,916
2016-05-12 2016-05-12 B Purchase MARIO ERNEST Non-Executive Director
31,042 +8.9%
2.30
US$71,356 		31,042 +8.9% 2.30 US$71,356
2016-05-11 2016-05-11 B Purchase MARIO ERNEST Non-Executive Director
8,210 +2.4%
2.24
US$18,399 		8,210 +2.4% 2.24 US$18,399
2016-03-23 2016-03-23 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
8,000 +11.0%
2.44
US$19,537 		8,000 +11.0% 2.44 US$19,537
2016-03-17 2016-03-16 B Purchase MARIO ERNEST Non-Executive Director
75,000 +28.1%
2.29
US$171,712 		75,000 +28.1% 2.29 US$171,712
2015-09-30 2015-09-30 B Purchase SULLIVAN GREGORY M

Chief Medical Officer

Officer
5,000 +41.9%
5.18
US$25,900 		5,000 +41.9% 5.18 US$25,900
2015-09-29 2015-09-28 B Purchase GERSHELL LELAND

Chief Financial Officer

Officer
400 +2.1%
5.83
US$2,330 		400 +2.1% 5.83 US$2,330
2015-09-28 2015-09-28 B Purchase SULLIVAN GREGORY M

Chief Medical Officer

Officer
4,694 +64.9%
5.95
US$27,925 		4,694 +64.9% 5.95 US$27,925
2015-09-25 2015-09-25 B Purchase LEDERMAN SETH

Chief Executive Officer

Executive Director
6,000 +9.2%
6.50
US$39,000 		6,000 +9.2% 6.50 US$39,000
2015-08-27 2015-08-26 B Purchase MARIO ERNEST Non-Executive Director
10,000 +4.0%
6.05
US$60,500 		10,000 +4.0% 6.05 US$60,500
2015-08-26 2015-08-25 B Purchase MARIO ERNEST Non-Executive Director
1,468 +0.6%
6.40
US$9,395 		1,468 +0.6% 6.40 US$9,395
2015-08-25 2015-08-24 B Purchase MARIO ERNEST Non-Executive Director
2,532 +1.0%
6.20
US$15,698 		2,532 +1.0% 6.20 US$15,698
2015-08-20 2015-08-20 B Purchase MARIO ERNEST Non-Executive Director
6,000 +2.5%
6.64
US$39,867 		6,000 +2.5% 6.64 US$39,867
2015-08-17 2015-08-17 B Purchase MARIO ERNEST Non-Executive Director
15,000 +6.7%
6.93
US$104,018 		15,000 +6.7% 6.93 US$104,018
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