InsidersTradesSigma
Total declarations
Companies
▲ Purchases (6 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
6
Disclosed sells
0
T+90 hit rate
67%
T+90 mean return
+5.7%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Theodosopoulos Nikos, Director. Insider active across 4 companies, notably Arista Networks, Inc.. In total, 29 reports have been published. Split: 6 buys · 0 sell. Total volume traded: €412k. Activity tracked since 20 May 2021. The latest transaction was filed on 26 March 2026 (Acquisition). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Theodosopoulos Nikos
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations29 total
7,317 shares@ US$14.3532.3% 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$17.4949.1% 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$18.032713.9% of flowCommon StockSEC:0001562180-24-006123:0
Canonical exit: 4 Nov 2024 (T+90)
3,030 shares@ US$19.8029.4% of flowCommon StockSEC:0001562180-24-005255:0
168.424 sharesCommon StockSEC:0000950170-24-001230:0
28 shares@ US$15.870.2% of flowCommon StockSEC:0001562180-23-007952:0
923 shares@ US$16.24100.0% of flowCommon StockSEC:0001562180-23-007019:0
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$22.70100.0% 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
692 shares0Common StockSEC:0001596532-22-000153:0
696 shares0Common StockSEC:0001596532-22-000067:0
19,157 shares0Common StockSEC:0001209191-22-011079:0
25 of 29 declarations
About Theodosopoulos Nikos
Theodosopoulos Nikos is Administrateur at ADTRAN Holdings, Inc., Arista Networks, Inc., Hercules Capital, Inc. and HARMONIC INC. He has 29 filings in total, and across the 29 most recent filings covered here, buys total 411854 EUR, sells are 0 EUR, with filings dated from 2021-05-24 to 2026-03-30, and the most frequent transaction nature being Levée d'options.
