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Total declarations
Companies
▲ Purchases (7 ops.)
▼ Sales (29 ops.)
Latest filing published 30 Mar 2026 for Hercules Capital, Inc., €91k.
Filing timeline
BuySaleNikos Theodosopoulos
Insider track record
Disclosed buys
7
Disclosed sells
29
Signal history
Closed purchases
Market purchases
7
Positive at T+90
43%
Median T+90
-4.4%
Based on 7 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Purchases by company
Since each purchase
- -15.3%Entry US$0.47 · Close at T+90 US$0.40
- -11.1%Entry US$0.60 · Close at T+90 US$0.54
- -11.5%Entry US$0.54 · Close at T+90 US$0.48
- -16.7%Entry €6.77 · Close 19 Oct 2026 €5.64
- +0.7%Entry US$0.49 · Close at T+365 US$0.50
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Nikos Theodosopoulos: trading record in brief
Nikos Theodosopoulos serves as a Director at Arista Networks, Inc. (61 filings), ADTRAN Holdings, Inc. (12), Harmonic Inc (11) and Hercules Capital, Inc. (8). The record has 92 filings between February 17, 2016 and March 30, 2026, with a peak in 2020 (26).
The 29 sales, EUR 5.5 million in total with a median of EUR 102,796, are mostly at Arista Networks, Inc.: EUR 964,141 on September 1, 2020, EUR 784,410 on November 16, 2020 and EUR 570,532 on September 2, 2020. The 7 purchases, EUR 522,315 with a median of EUR 86,840, make up 19% of market trades; the largest are EUR 110,461 on November 15, 2016 at Harmonic Inc, then EUR 93,479 on May 8, 2025 and EUR 90,818 on March 26, 2026 at Hercules Capital, Inc. The record also has 44 option exercises and 10 grants.
Five filings fall in the last 12 months, 4 of them purchases. At Arista Networks, Inc., 28 of Theodosopoulos's trades are within 30 days of a trade by Kenneth Duda, 28 of one by Marc Taxay and 25 of one by Ann Mather, all in the same direction.
Companies and markets linked to Nikos Theodosopoulos
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations92 total
7,317 shares@ US$14.3523.0% of flowCommon StockSEC:0001605860-26-000003:0
Canonical exit: 24 Jun 2026 (T+90)
2,600 shares@ US$14.217.9% of flowCommon StockSEC:0001605860-26-000002:0
Canonical exit: 28 May 2026 (T+90)
6,165 shares@ US$15.9321.0% of flowCommon StockSEC:0001605860-26-000001:0
Canonical exit: 18 May 2026 (T+90)
13,809 shares0Common StockSEC:0001193125-26-002902:0
12,859 shares@ US$7.8199.8% of flowCommon StockSEC:0001193125-25-303491:0
Canonical exit: 24 Feb 2026 (T+90)
5,999 shares@ US$17.4923.6% of flowCommon StockSEC:0001562180-25-003694:0
Canonical exit: 6 Aug 2025 (T+90)
14,406 shares0Common StockSEC:0000950170-25-001102:0
1,608 shares@ US$18.03276.7% of flowCommon StockSEC:0001562180-24-006123:0
Canonical exit: 4 Nov 2024 (T+90)
3,030 shares@ US$19.8014.2% of flowCommon StockSEC:0001562180-24-005255:0
168.424 sharesCommon StockSEC:0000950170-24-001230:0
16,349 shares0Common StockSEC:0000950170-24-001230:2
0.424 shares@ US$7.340.0% of flowCommon StockSEC:0000950170-24-001230:1
28 shares@ US$15.870.1% of flowCommon StockSEC:0001562180-23-007952:0
923 shares@ US$16.243.6% of flowCommon StockSEC:0001562180-23-007019:0
0.97 sharesCommon StockSEC:0001209191-23-048668:1
45.973 sharesCommon StockSEC:0001209191-23-048668:0
510 shares0Common StockSEC:0001596532-23-000133:0
511 shares0Common StockSEC:0001596532-23-000044:0
1,629 shares0Common StockSEC:0001209191-23-004860:0
4,790 shares0Common StockSEC:0001209191-23-000995:0
510 shares0Common StockSEC:0001596532-22-000326:0
7.565 shares@ US$22.700.2% of flowCommon StockSEC:0000926282-22-000061:0
511 shares0Common StockSEC:0001596532-22-000260:0
7,054 shares0Common StockSEC:0001209191-22-045971:0
1,908 shares0Common StockSEC:0000926282-22-000047:0
25 of 92 declarations
