Who
Martin Brenner
Director and Officer
Company insider
Files Form 4 as: Interim CEO and CSO, iBio; Chief Scientific Officer, Pfenex.
In numbers
- Trades disclosed
- 37
- Buys
- 2
- Sells
- 11
- Bought
- $75K
- Sold
- $66K
- Companies
- 2
- Companies where not an officer
- 0
- First trade
- 1 Apr 2019
- Last trade
- 19 Mar 2026
- Last filed
- 23 Mar 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 19 Mar 2026filed 23 Mar 2026 | IBIO iBioBiotechnology | SEC FORM 4 Bought | $25K12,336 at $2.02 | filing |
| 19 Mar 2026filed 23 Mar 2026 | IBIO iBioBiotechnology | SEC FORM 4 Bought | $25K12,336 at $2.02 | filing |
| 28 Jan 2026filed 30 Jan 2026 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —479,000 at $0.00 | filing |
| 28 Jan 2026filed 30 Jan 2026 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —479,000 at $0.00 | filing |
| 20 Oct 2025filed 22 Oct 2025 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —180,000 at $0.00 | filing |
| 21 Feb 2025filed 24 Feb 2025 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —230,700 at $0.00 | filing |
| 10 Jan 2025filed 13 Jan 2025 | IBIO iBioBiotechnology | SEC FORM 4 Bought | $25K9,191 at $2.72 | filing |
| 9 May 2024filed 13 May 2024 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —147,300 at $0.00 | filing |
| 9 May 2024filed 13 May 2024 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —110,000 at $0.00 | filing |
| 1 Nov 2023filed 3 Nov 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $1,3184,881 at $0.27 | filing |
| 3 Oct 2023filed 5 Oct 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $1,5805,267 at $0.30 | filing |
| 2 Oct 2023filed 3 Oct 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $1,3074,215 at $0.31 | filing |
| 28 Aug 2023filed 30 Aug 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $1,5535,011 at $0.31 | filing |
| 23 Aug 2023filed 24 Aug 2023 | IBIO iBiooption or derivative · Biotechnology | SEC FORM 4 Code A | —120,000 at $0.00 | filing |
| 27 Jul 2023filed 28 Jul 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $2,2854,480 at $0.51 | filing |
| 27 Jul 2023filed 28 Jul 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $1835 at $0.51 | filing |
| 12 Jul 2023filed 13 Jul 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $28K47,020 at $0.59 | filing |
| 26 Jun 2023filed 27 Jun 2023 | IBIO iBioBiotechnology | SEC FORM 4 Code A | —75,833 at $0.00 | filing |
| 22 Jun 2023filed 27 Jun 2023 | IBIO iBioBiotechnology | SEC FORM 4 Code D | —75,833 at $0.00 | filing |
| 21 Jun 2023filed 22 Jun 2023 | IBIO iBioBiotechnology | SEC FORM 4 Sold | $2,6243,859 at $0.68 | filing |
News
Head to Head Comparison: Myriad Genetics (NASDAQ:MYGN) & iBio (NASDAQ:IBIO)IBIO · themarketsdaily.com · 19 Oct 2026
0 headlines in the last 90 days name Martin Brenner; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.