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Who

Robert J. Bitterman

Chairman, Pres. & CEO

Company insider

Files Form 4 as: Chairman, Pres. & CEO, Phio Pharmaceuticals.

In numbers

Trades disclosed
60
Buys
25
Sells
0
Bought
$116K
Sold
$0
Companies
1
Companies where not an officer
0
First trade
7 Jun 2013
Last trade
28 Sep 2026
Last filed
29 Sep 2026

Companies traded

Where they are an officer
PHIO Phio PharmaceuticalsDirector, Officer · Biotechnology · last 28 Sep 202625 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
02Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
28 Sep 2026filed 29 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code A—400,000 at $0.00filing
28 Sep 2026filed 29 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code A—400,000 at $0.00filing
22 Sep 2026filed 23 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$2,0582,000 at $1.03filing
22 Sep 2026filed 23 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$2,0602,000 at $1.03filing
11 Sep 2026filed 15 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code F$71K68,550 at $1.03filing
11 Sep 2026filed 15 Sep 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code F$71K68,550 at $1.03filing
18 Aug 2026filed 19 Aug 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$11K10,000 at $1.06filing
18 Aug 2026filed 19 Aug 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$11K10,000 at $1.06filing
26 Jun 2026filed 29 Jun 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$9,90010,000 at $0.99filing
26 Jun 2026filed 29 Jun 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$9,90010,000 at $0.99filing
5 Feb 2026filed 6 Feb 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code A—120,000 at $0.00filing
5 Feb 2026filed 6 Feb 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code A—120,000 at $0.00filing
31 Dec 2025filed 2 Jan 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$5,1505,000 at $1.03filing
31 Dec 2025filed 2 Jan 2026PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$5,1505,000 at $1.03filing
23 Dec 2025filed 29 Dec 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$5,1005,000 at $1.02filing
21 Nov 2025filed 24 Nov 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$5,7005,000 at $1.14filing
18 Nov 2025filed 19 Nov 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$6,3505,000 at $1.27filing
11 Sep 2025filed 15 Sep 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code F$9,5384,111 at $2.32filing
11 Sep 2025filed 15 Sep 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Code A—250,000 at $0.00filing
10 Jun 2025filed 11 Jun 2025PHIO Phio PharmaceuticalsBiotechnologySEC FORM 4 Bought$4,8402,000 at $2.42filing

News

Phio Pharmaceuticals Announces Participation in the Renmark Financial Communications Live Virtual Non-Deal Roadshow SeriesPHIO · standard-freeholder.com · 19 Oct 2026

0 headlines in the last 90 days name Robert J. Bitterman; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care25

Buys in green, sells in red, by the company’s sector.

Related people

Ronald Todd PlottDirector · Director at Phio Pharmaceuticals, filing Form 4 there in the last year
Lisa Cabott CarsonChief Financial Officer · Chief Financial Officer at Phio Pharmaceuticals, filing Form 4 there in the last year
Patricia A. BradfordDirector · Director at Phio Pharmaceuticals, filing Form 4 there in the last year
Curtis LockshinDirector · Director at Phio Pharmaceuticals, filing Form 4 there in the last year
David H. DemingDirector · Director at Phio Pharmaceuticals, filing Form 4 there in the last year