Insider · CIK 0001188354

OSSER LEONARD

Reports to the SEC for 2 companies · PISCATAWAY, NJ

sec.gov

Transactions

Companies

Filings

CIK

0001188354

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2025-09-29	NXLNexalin Technology, Inc.A Award	10% Owner	AAward	+83.3K sh	—	—	1,618,577
2024-10-22	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−108K sh	$0.93	−$100K	4,606,882
2024-08-28	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+112K sh	$0.89	+$100K	4,714,862
2024-08-21	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−142K sh	$0.95	−$135K	4,602,506
2023-06-28	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+112K sh	$0.89	+$100K	4,619,695
2022-06-13	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+122K sh	$0.82	+$100K	4,347,547
2022-06-13	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+30.5K sh	$0.82	+$25K	4,256,084
2022-04-18	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−9,842 sh	$1.12	−$11K	4,225,596
2022-04-12	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,500 sh	$1.18	−$10K	4,235,438
2022-04-11	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,200 sh	$1.21	−$9,922	4,243,938
2022-04-04	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−14.1K sh	$1.42	−$20K	4,252,138
2022-04-01	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−6,000 sh	$1.51	−$9,060	4,266,238
2022-03-28	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,110 sh	$1.33	−$9,456.3	4,272,238
2022-03-22	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,000 sh	$1.26	−$10.1K	4,279,348
2022-03-21	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,600 sh	$1.30	−$9,880	4,287,348
2022-03-15	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,500 sh	$1.18	−$10K	4,294,948
2022-03-14	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,100 sh	$1.23	−$9,963	4,303,448
2022-03-08	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,500 sh	$1.35	−$10.1K	4,311,548
2022-03-07	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−6,400 sh	$1.53	−$9,792	4,319,048
2022-03-01	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,600 sh	$1.32	−$10K	4,325,448
2022-02-28	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,500 sh	$1.33	−$9,975	4,333,048
2022-02-23	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,200 sh	$1.22	−$10K	4,340,548
2022-02-22	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,700 sh	$1.28	−$9,894.5	4,348,748
2022-02-15	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,100 sh	$1.24	−$10K	4,356,448
2022-02-14	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,400 sh	$1.19	−$9,996	4,364,548
2022-02-08	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,600 sh	$1.30	−$9,880	4,372,948
2022-02-07	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−8,000 sh	$1.26	−$10.1K	4,380,548
2022-02-01	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,650 sh	$1.31	−$10.1K	4,388,548
2022-01-31	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,800 sh	$1.27	−$9,921.6	4,396,198
2022-01-25	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−6,600 sh	$1.51	−$9,999	4,403,998
2022-01-24	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−7,200 sh	$1.39	−$10K	4,410,598
2022-01-19	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,800 sh	$1.72	−$9,947	4,417,798
2022-01-18	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,800 sh	$1.72	−$9,981.8	4,423,598
2022-01-11	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−4,900 sh	$2.02	−$9,873.5	4,429,398
2022-01-10	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,000 sh	$2.02	−$10.1K	4,434,928
2022-01-04	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−4,400 sh	$2.09	−$9,178.4	4,439,928
2022-01-03	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,000 sh	$2.15	−$10.8K	4,443,698
2021-12-31	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+48.5K sh	$2.06	+$100K	4,400,154
2021-12-31	MLSSMILESTONE SCIENTIFIC INC.A Award	Director	AAward	+48.5K sh	$2.06	+$100K	4,448,698
2021-12-28	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,000 sh	$2.12	−$10.6K	4,351,610
2021-12-27	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−4,600 sh	$2.04	−$9,407	4,356,610
2021-12-21	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−4,850 sh	$2.02	−$9,816.4	4,361,210
2021-12-20	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−5,000 sh	$2.02	−$10.1K	4,366,060
2021-12-16	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−3,900 sh	$1.97	−$7,667.4	4,371,060
2021-12-15	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−2,100 sh	$1.95	−$4,086.6	4,374,960
2021-12-14	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−2,100 sh	$1.88	−$3,945.9	4,377,060
2021-12-13	MLSSMILESTONE SCIENTIFIC INC.S Sale	Director	SSale	−2,100 sh	$1.97	−$4,145.4	4,379,160
2021-12-01	MLSSMILESTONE SCIENTIFIC INC.M Exercise/Conversion	Director	MExercise/Conversion	+71.3K sh	$0.50	+$35.6K	4,381,260
2021-12-01	MLSSMILESTONE SCIENTIFIC INC. · Warrants (right to buy)M Exercise/Conversion	Director	MExercise/Conversion	−71.3K sh	—	—	0
2021-11-30	MLSSMILESTONE SCIENTIFIC INC.M Exercise/Conversion	Director	MExercise/Conversion	+62.1K sh	$1.71	+$106K	4,310,010

Recent filings

Accepted (ET)
Sep 304
OSSER LEONARD0001829126-25-007778
SEC(opens sec.gov)
Oct 234
OSSER LEONARD0001437749-24-031909
SEC(opens sec.gov)
Aug 304
OSSER LEONARD0001437749-24-028154
SEC(opens sec.gov)
Aug 214
OSSER LEONARD0001437749-24-027506
SEC(opens sec.gov)
Aug 104
OSSER LEONARD0001437749-23-023142
SEC(opens sec.gov)
Oct 114/A
OSSER LEONARD0001437749-22-023966
SEC(opens sec.gov)
Jun 154
OSSER LEONARD0001437749-22-015031
SEC(opens sec.gov)
Apr 204
OSSER LEONARD0001437749-22-009275
SEC(opens sec.gov)
Apr 134
OSSER LEONARD0001437749-22-008795
SEC(opens sec.gov)
Apr 44
OSSER LEONARD0001437749-22-008249
SEC(opens sec.gov)
Mar 294
OSSER LEONARD0001437749-22-007561
SEC(opens sec.gov)
Mar 224
OSSER LEONARD0001437749-22-006942
SEC(opens sec.gov)
Mar 154
OSSER LEONARD0001437749-22-006341
SEC(opens sec.gov)
Mar 84
OSSER LEONARD0001437749-22-005579
SEC(opens sec.gov)
Mar 24
OSSER LEONARD0001437749-22-005041
SEC(opens sec.gov)

Companies

Address

C/O MILESTONE SCIENTIFIC INC. 45 KNIGHTSBRIDGE ROAD

PISCATAWAY, NJ, 08854