Mark L. Baum
CIK 1274282 · View on SEC EDGAR ↗
First SEC filing: April 7, 2025 · Latest: April 7, 2025
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 15, 2018 | ETON | P | 10,000 | $6.00 | $60,000 | 10,000 Indirect | — | Acquired | 947.5% (price as of 2026-08-19) |
| March 3, 2017 | IPWR | P | 7,800 | $2.54 | $19,812 | 7,800 Indirect | — | Acquired | -81.0% (price as of 2026-08-19) |
| March 3, 2017 | IPWR | P | 7,800 | $2.54 | $19,812 | 33,698 Indirect | +30.12% | Acquired | -81.0% (price as of 2026-08-19) |
| Nov. 13, 2015 | IPWR | S | 29,063 | $7.54 | $219,135 | 25,898 Direct | -52.88% | Disposed | -93.6% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 20, 2019 | ETON | Stock option (right to buy) | Common Stock (12,500) | $7.31 | Feb. 19, 2029 | 12,500 | Acquired |
| March 3, 2017 | IPWR | Common Stock Warrants | Common Stock (7,800) | $2.41 | March 3, 2020 | 7,800 | Acquired |
| Jan. 3, 2017 | IPWR | Option to Purchase Stock [F1,F2] | Common Stock (27,875) | $3.15 | Jan. 3, 2027 | 27,875 | Acquired |
| Jan. 4, 2016 | IPWR | Option to Purchase Stock [F1] | Common Stock (12,646) | $7.94 | Jan. 4, 2026 | 12,646 | Acquired |
| Jan. 2, 2015 | IPWR | Option to Purchase Stock [F1,F2] | Common Stock (12,834) | $7.32 | Jan. 2, 2025 | 12,834 | Acquired |
| Feb. 10, 2014 | HROW | Option - Right to Buy | Common Stock (15,400) | $7.71 | Feb. 10, 2024 | 15,400 | Acquired |
| Jan. 2, 2014 | IPWR | Option to Purchase Common Stock [F4,F5] | Common Stock (17,042) | $5.49 | Jan. 2, 2024 | 17,042 | Acquired |
| May 2, 2013 | HROW | Option - Right to Buy | Common Stock (180,000) | $8.99 | May 2, 2023 | 180,000 | Acquired |
| July 12, 2012 | HROW | Series A Convertible Preferred Stock | Common Stock (7,498,500) | $0.00 | — | 10 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 13, 2018 | ETON | Common Stock | 784,745 | Direct |
| Nov. 13, 2018 | ETON | Restricted Stock Units→ Common Stock (25,000) | 25,000 | Direct |
| Nov. 21, 2013 | IPWR | Common Stock | 52,432 | Direct |
| Nov. 21, 2013 | IPWR | Senior Secured Convertible Promissory Note→ Common Stock (28,935) | 28,935 | Indirect |
| Nov. 21, 2013 | IPWR | Warrant→ Common Stock (14,383) | 14,383 | Indirect |
| April 27, 2012 | HROW | Common Stock | 8,240,045 | Indirect |
| April 27, 2012 | HROW | Series A Convertible Preferred Stock→ Common Stock (7,498,500) | 7,498,500 | Indirect |
| April 27, 2012 | HROW | Option (Right to Buy)→ Common Stock (625,000) | 625,000 | Direct |
| April 27, 2012 | HROW | Option (Right to Buy)→ Common Stock (300,000) | 300,000 | Direct |
| April 27, 2012 | HROW | Option (Right to Buy)→ Common Stock (125,000) | 125,000 | Direct |
| April 27, 2012 | HROW | Warrants→ Common Stock (241,308) | 241,308 | Indirect |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2016 | $372,386 | — | $2,072,933 | $544,860 | $153,043 | — | $10,600 | $3,153,822 |
| 2015 | $338,870 | — | — | $2,783,577 | $114,369 | — | $10,600 | $3,247,416 |
| 2014 | $327,456 | — | — | $94,718 | $203,980 | — | $7,800 | $633,954 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.