MarketPeel
Insider Trading Intelligence
MB

Mark L. Baum

HROW
CHIEF EXECUTIVE OFFICER · HARROW, INC. · CIK 0001274282
FILING MIX · LIFETIME51%/49%
BUYS
24
SELLS
23
TOTAL VALUE
$44.74M
COMPANIES
2
ACTIVE SINCE
Jul 2015
HOLDINGS NOW
3,023,530
AVG SELL PX
$21.57
TRADE KIND
SHOWING 47 / 47
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
4 backtested trades · 8 horizonsHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Mark L. Baum, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d4+75.00%+7.07%+0.04%+7.03%+7.32%
14d4+75.00%+5.74%-0.18%+5.92%+6.49%
30d4+50.00%-0.16%+1.04%-1.20%-0.47%
60d4+75.00%+17.27%+2.33%+14.94%+14.12%
90d4+75.00%+27.29%+4.52%+22.77%+23.53%
180d4+75.00%+96.44%+13.38%+83.06%+48.16%
1y4+75.00%+149.51%+22.60%+126.91%+116.92%
2y4+100.00%+208.71%+46.63%+162.08%+131.16%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
HROW · 2,996,130 shares · as of May 14, 2026
0799,8661,599,7312,399,5973,199,46220162017201820192020202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2015
2015
2016
2016
2016
2016
2017
2017
2017
2017
2018
2018
2018
2018
2019
2019
2019
2019
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 24 buys / 23 sellsCOVERAGE · 44 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
10,000$30.20$302.0K2,996,130May 14, 2026May 15, 2026View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
79,994$47.06$3.76M2,986,130Dec 12, 2025Dec 16, 2025View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
180,0000Dec 12, 2025Dec 16, 2025View →
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
180,000$3.95$711.0K3,066,124Dec 12, 2025Dec 16, 2025View →
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
600,000$7.87$4.72M3,199,462Jul 21, 2025Jul 23, 2025View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
313,338$37.08$11.62M2,886,124Jul 21, 2025Jul 23, 2025View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
889,500889,500Jul 1, 2025Jul 1, 2025View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
300,363$23.09$6.94M2,599,462Apr 7, 2025Apr 7, 2025View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
762,3002,899,825Apr 3, 2025Apr 7, 2025View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
762,3000Apr 3, 2025Apr 7, 2025View →
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
9,000$11.59$104.3K2,137,525Mar 22, 2024Mar 25, 2024View →
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
150,000$10.67$1.60M2,188,361Feb 20, 2024Feb 21, 2024View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
59,836$10.67$638.5K2,128,525Feb 20, 2024Feb 21, 2024View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
150,0000Feb 20, 2024Feb 21, 2024View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
15,4000Feb 7, 2024Feb 8, 2024View →
HROW
HARROW, INC.
PURCHASE
CHIEF EXECUTIVE OFFICER
15,400$7.71$118.7K2,038,361Feb 7, 2024Feb 8, 2024View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
7,500$8.11$60.8K2,022,961Nov 16, 2023Nov 16, 2023View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
5,800$17.05$98.9K2,015,461Aug 14, 2023Aug 15, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
762,3000Jul 18, 2023Jul 20, 2023View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
762,3002,309,629Jul 18, 2023Jul 20, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
299,968$18.23$5.47M2,009,661Jul 18, 2023Jul 20, 2023View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
180,000$8.99$1.62M1,664,962Apr 3, 2023Apr 4, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
117,633$20.97$2.47M1,547,329Apr 3, 2023Apr 4, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
180,0000Apr 3, 2023Apr 4, 2023View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
762,300762,300Apr 3, 2023Apr 4, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
88,0000Jan 2, 2023Jan 3, 2023View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
35,179$14.76$519.2K1,484,962Jan 2, 2023Jan 3, 2023View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
88,0001,520,141Jan 2, 2023Jan 3, 2023View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
25,000$13.39$334.8K1,432,141Dec 22, 2022Dec 23, 2022View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
125,000$2.40$300.0K1,478,547Jan 20, 2022Jan 21, 2022View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
125,0000Jan 20, 2022Jan 21, 2022View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
71,406$8.33$594.8K1,407,141Jan 20, 2022Jan 21, 2022View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
762,301762,301Jul 23, 2021Jul 23, 2021View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
334,129$8.26$2.76M1,353,547Apr 25, 2021Apr 27, 2021View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
850,0000Apr 25, 2021Apr 27, 2021View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
850,0001,687,676Apr 25, 2021Apr 27, 2021View →
HROW
HARROW, INC.
PURCHASE
Chief Executive Officer
200,000837,676Feb 25, 2021Feb 26, 2021View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
200,000850,000Feb 25, 2021Feb 26, 2021View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
150,000150,000Feb 19, 2021Feb 23, 2021View →
HROW
HARROW, INC.
SALE
Chief Executive Officer
600,0000Jun 4, 2020Jun 8, 2020View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
600,000600,000Jun 4, 2020Jun 8, 2020View →
ETON
ETON PHARMACEUTICALS, INC.
PURCHASEGRANT
Stock grant
27,40027,400Mar 12, 2020Mar 16, 2020View →
HROW
HARROW, INC.
SALEGRANT
Stock grant
217,500217,500Jan 2, 2020Jan 6, 2020View →
HROW
HARROW, INC.
SALEGRANT
Stock grant
88,00088,000Jan 2, 2020Jan 6, 2020View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
217,500217,500Jan 2, 2020Jan 6, 2020View →
HROW
HARROW, INC.
PURCHASEGRANT
Stock grant
88,00088,000Jan 2, 2020Jan 6, 2020View →
HROW
HARROW, INC.
SALE
CHIEF EXECUTIVE OFFICER
600,0000Jul 31, 2015Jul 23, 2025View →
Other insiders · HROW
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About this filer
CIK 0001274282
ROLE
Chief Executive Officer
PRIMARY
HROW
COMPANIES
2
ACTIVE SINCE
Jul 2015
MARKETPEEL · /INSIDER/0001274282DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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