SEC Insider Transactions from Stein Robert Benjamin.

Last updated: 2026-03-14 11:31 UTC | Total transactions: 9

Stein Robert Benjamin has filed 9 insider transactions across 2 companies since March 2023.

Most recent transaction: a grant/award of 75000 shares of Protagenic Therapeutics, Inc.new ($PTIX) on March 25, 2024.

Activity breakdown: 0 open-market purchases and 7 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 25, 2024 Protagenic Therapeutics, Inc.new $PTIX Stein Robert Benjamin Director A PTIX Common stock Options 75000 $1.74 75,000.0000 0 9999.99% 0.00%
May 15, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 3607 $6.15 328,168.0000 112,909,266 1.09% 0.00%
May 16, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 10365 $5.95 317,803.0000 112,909,266 3.16% 0.01%
May 10, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 5869 $5.93 331,775.0000 112,909,266 1.74% 0.01%
May 4, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 51756 $5.34 337,644.0000 112,909,266 13.29% 0.05%
April 25, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 5987 $3.74 389,400.0000 112,909,266 1.51% 0.01%
April 11, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 5996 $3.31 395,387.0000 112,909,266 1.49% 0.01%
March 13, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. A Common Stock 135065 $4.62 401,383.0000 112,909,266 50.72% 0.12%
March 7, 2023 MIMEDX GROUP, INC. $MDXG Stein Robert Benjamin President, Regenerative Med. S Common Stock 12355 $4.24 266,318.0000 112,909,266 4.43% 0.01%