FSI

FLEXIBLE SOLUTIONS INTERNATIONAL INC

Miscellaneous Chemical ProductsNYSENon-accelerated filer<br>Smaller reporting company

Total Trades

27

Buys

1

Sells

26

Largest Trade

$500K+

Insiders

4

Institutional Funds

23

Inst. Value

$1M+

Activist Filings

27

Insider Trades

InsiderTitleTypeValueSharesPriceDate
O BRIEN DANIEL BCEOSELL$50K–$100K13K$5.88Feb 5, 2026
O BRIEN DANIEL BCEOSELL$500K+102K$5.87Jan 29, 2026
O BRIEN DANIEL BCEOSELL$100K–$500K95K$1.57Nov 17, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K9K$2.64Jul 26, 2023
O BRIEN DANIEL BCEOSELL$50K–$100K38K$2.65Jul 21, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K9K$2.80Jun 23, 2023
Fyles Thomas MurrayDirectorBUY$1K–$15K5K$2.65Jun 21, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K886$2.83Jun 14, 2023
Helina Robert ThomasDirectorSELL$1K–$15K5K$2.89Jun 12, 2023
Helina Robert ThomasDirectorSELL$1K–$15K5K$2.88May 30, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K8K$2.80May 5, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K9K$3.00Apr 27, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K917$3.14Apr 25, 2023
O BRIEN DANIEL BCEOSELL$50K–$100K23K$3.14Apr 20, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K2K$3.15Apr 18, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K941$3.00Mar 16, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K9K$3.05Mar 14, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K10K$3.10Mar 10, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K800$3.12Mar 8, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K2K$3.11Mar 6, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K5K$3.15Mar 2, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K2K$3.11Feb 28, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K15K$3.13Feb 24, 2023
O BRIEN DANIEL BCEOSELL$50K–$100K19K$3.14Feb 22, 2023
O BRIEN DANIEL BCEOSELL$15K–$50K15K$3.05Feb 17, 2023
O BRIEN DANIEL BCEOSELL$1K–$15K1K$3.17Feb 15, 2023
Helina Robert TDirectorSELL$15K–$50K15K$3.13Feb 7, 2023
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Institutional Ownership

13F filings as of Dec 31, 2025 · 23 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Daniel B. O'Brien

SC 13D/A · Feb 12, 2026

36.1%

4.6M shares

10.1%

1.3M shares

10.9%

1.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Nov 17, 2023

34.3%

4.3M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Jul 26, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Jul 21, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Jun 23, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Jun 14, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · May 5, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Apr 27, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Apr 25, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Apr 20, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Apr 18, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 16, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 14, 2023

36.0%

4.4M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 10, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 8, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 6, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Mar 2, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Feb 28, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Feb 24, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Feb 22, 2023

36.0%

4.5M shares

– Daniel B. O’Brien - N/A

SC 13D/A · Feb 17, 2023

36.2%

4.5M shares

10.4%

1.3M shares

– Daniel B. O’Brien - N/A

SC 13D/A · May 12, 2022

36.5%

4.5M shares

Lygos, Inc.

SC 13D · Apr 27, 2022

36.8%

4.6M shares

11.0%

1.4M shares

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