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ONTO ONTO INNOVATION INC.

ONTO

ONTO INNOVATION INC.

Company with tickers: ONTO

CIK

704532

Shares Outstanding

49,702,361

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-03	YALDAEI RAMIL	Chief Operating Officer	Tax	615	$207.50	$127,613	18,436
2026-03-03	Plisinski Michael P	Director, Chief Executive Officer	Tax	3,742	$207.50	$776,465	179,242
2026-03-03	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	417	$207.50	$86,528	21,640
2026-03-03	Dolev Ido	EVP, Prod Solutions Grp	Tax	819	$207.50	$169,943	26,536
2026-03-02	ROBERTS BRIAN K	Chief Financial Officer	Award	1,548	—	—	1,548
2026-03-02	ROBERTS BRIAN K	Chief Financial Officer	Award	3,096	—	—	24,271
2026-03-02	YALDAEI RAMIL	Chief Operating Officer	Award	7,683	—	—	19,051
2026-03-02	YALDAEI RAMIL	Chief Operating Officer	Award	1,548	—	—	1,548
2026-03-02	Plisinski Michael P	Director, Chief Executive Officer	Award	14,479	—	—	182,984
2026-03-02	Plisinski Michael P	Director, Chief Executive Officer	Award	7,239	—	—	7,239
2026-03-02	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Award	2,408	—	—	22,057
2026-03-02	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Award	1,204	—	—	1,204
2026-03-02	Chen Shirley	SVP Customer Success	Award	2,523	—	—	15,517
2026-03-02	Chen Shirley	SVP Customer Success	Award	1,261	—	—	1,261
2026-03-02	Dolev Ido	EVP, Prod Solutions Grp	Award	3,440	—	—	27,355
2026-03-02	Dolev Ido	EVP, Prod Solutions Grp	Award	1,720	—	—	1,720
2026-03-01	YALDAEI RAMIL	Chief Operating Officer	Convert	844	—	—	0
2026-03-01	YALDAEI RAMIL	Chief Operating Officer	Tax	347	$215.89	$74,914	11,644
2026-03-01	YALDAEI RAMIL	Chief Operating Officer	Convert	649	—	—	11,991
2026-03-01	Plisinski Michael P	Director, Chief Executive Officer	Convert	4,597	—	—	172,652
2026-03-01	Plisinski Michael P	Director, Chief Executive Officer	Convert	5,971	—	—	0
2026-03-01	Plisinski Michael P	Director, Chief Executive Officer	Tax	2,222	$215.89	$479,708	170,430
2026-03-01	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	724	—	—	20,223
2026-03-01	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	941	—	—	0
2026-03-01	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	307	$215.89	$66,278	19,916
2026-02-14	Plisinski Michael P	Director, Chief Executive Officer	Tax	8,919	$217.23	$1,937,474	171,687
2026-02-14	Plisinski Michael P	Director, Chief Executive Officer	Convert	18,445	—	—	180,606
2026-02-14	Plisinski Michael P	Director, Chief Executive Officer	Convert	11,824	—	—	0
2026-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	3,084	—	—	21,094
2026-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	1,094	$217.23	$237,650	20,000
2026-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	1,977	—	—	0
2025-12-24	Plisinski Michael P	Director, Chief Executive Officer	Gift	25,000	—	—	162,161
2025-12-02	Dolev Ido	EVP, Prod Solutions Grp	Tax	3,183	$154.01	$490,214	23,915
2025-10-03	YALDAEI RAMIL	Chief Operating Officer	Tax	594	$143.71	$85,364	11,342
2025-09-02	Chen Shirley	SVP Customer Success	Award	12,994	—	—	12,994
2025-09-02	ROBERTS BRIAN K	Chief Financial Officer	Award	21,175	—	—	21,175
2025-06-16	ROBERTS BRIAN K	Chief Financial Officer	Other	0	—	—	0
2025-06-16	Chen Shirley	SVP Customer Success	Other	0	—	—	0
2025-06-12	Slicer Mark	Chief Financial Officer	Other	0	—	—	0
2025-06-02	Dolev Ido	EVP, Prod Solutions Grp	Award	21,562	—	—	21,562
2025-06-02	Dolev Ido	EVP, Prod Solutions Grp	Award	2,695	—	—	2,695
2025-05-21	SEAMS CHRISTOPHER A	Director	Award	2,114	—	—	37,752
2025-05-21	TSINGOS CHRISTINE A	Director	Other	0	—	—	0
2025-05-21	BERLINGHIERI LEO	Director	Other	0	—	—	0
2025-05-21	Lynch Susan D	Director	Award	2,114	—	—	2,923
2025-05-21	Su May	Director	Award	2,114	—	—	7,223
2025-05-21	SCHWARTZ STEPHEN S	Director	Award	2,114	—	—	2,775
2025-05-21	MILLER DAVID BRIAN	Director	Award	2,114	—	—	11,931
2025-05-21	Kelley Stephen Douglas	Director	Award	2,114	—	—	5,623
2025-05-17	Slicer Mark	Chief Financial Officer	Tax	2,066	$99.40	$205,360	13,640
2025-05-15	YALDAEI RAMIL	Chief Operating Officer	Tax	217	$98.04	$21,275	12,400
2025-05-15	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	603	$98.04	$59,118	18,010
2025-04-09	Vedula Srinivas	SVP Customer Success	Other	0	—	—	0
2025-03-03	Slicer Mark	Chief Financial Officer	Award	2,941	—	—	15,706
2025-03-03	Slicer Mark	Chief Financial Officer	Award	1,471	—	—	1,471
2025-03-03	YALDAEI RAMIL	Chief Operating Officer	Award	1,884	—	—	1,884
2025-03-03	YALDAEI RAMIL	Chief Operating Officer	Award	3,769	—	—	12,617
2025-03-03	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Award	1,471	—	—	1,471
2025-03-03	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Award	2,941	—	—	18,613
2025-03-03	Vedula Srinivas	SVP Customer Success	Award	1,287	—	—	1,287
2025-03-03	Vedula Srinivas	SVP Customer Success	Award	2,574	—	—	18,730
2025-03-03	Plisinski Michael P	Director, Chief Executive Officer	Award	23,212	—	—	187,161
2025-03-03	Plisinski Michael P	Director, Chief Executive Officer	Award	11,606	—	—	11,606
2025-03-01	Slicer Mark	Chief Financial Officer	Tax	336	$145.66	$48,942	12,765
2025-03-01	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	304	$145.66	$44,281	15,672
2025-03-01	YALDAEI RAMIL	Chief Operating Officer	Tax	305	$145.66	$44,426	8,848
2025-03-01	Vedula Srinivas	SVP Customer Success	Tax	199	$145.66	$28,986	16,156
2025-03-01	Plisinski Michael P	Director, Chief Executive Officer	Tax	1,925	$145.66	$280,396	163,949
2025-02-14	Slicer Mark	Chief Financial Officer	Tax	1,776	$176.55	$313,553	13,721
2025-02-14	Slicer Mark	Chief Financial Officer	Convert	2,282	—	—	0
2025-02-14	Slicer Mark	Chief Financial Officer	Convert	4,564	—	—	15,497
2025-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	1,978	—	—	0
2025-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	1,830	$176.55	$323,087	16,469
2025-02-14	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	3,956	—	—	18,299
2025-02-14	Plisinski Michael P	Director, Chief Executive Officer	Tax	11,435	$176.55	$2,018,849	169,686
2025-02-14	Plisinski Michael P	Director, Chief Executive Officer	Convert	11,825	—	—	0
2025-02-14	Plisinski Michael P	Director, Chief Executive Officer	Convert	23,650	—	—	181,121
2025-02-14	Vedula Srinivas	SVP Customer Success	Tax	1,391	$176.55	$245,581	16,819
2025-02-14	Vedula Srinivas	SVP Customer Success	Convert	2,738	—	—	18,210
2025-02-14	Vedula Srinivas	SVP Customer Success	Convert	1,369	—	—	0
2025-02-13	Vedula Srinivas	SVP Customer Success	Sell	238	$169.58	$40,360	15,472
2025-02-10	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	375	$183.28	$68,730	12,639
2025-02-10	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	2,720	—	—	14,343
2025-02-10	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Convert	1,360	—	—	0
2025-02-10	Plisinski Michael P	Director, Chief Executive Officer	Tax	2,859	$183.28	$523,998	147,633
2025-02-10	Plisinski Michael P	Director, Chief Executive Officer	Convert	19,048	—	—	166,681
2025-02-10	Plisinski Michael P	Director, Chief Executive Officer	Convert	9,524	—	—	0
2025-02-10	Vedula Srinivas	SVP Customer Success	Convert	816	—	—	0
2025-02-10	Vedula Srinivas	SVP Customer Success	Tax	306	$183.28	$56,084	14,917
2025-02-10	Vedula Srinivas	SVP Customer Success	Convert	1,632	—	—	15,710
2025-01-21	Plisinski Michael P	Director, Chief Executive Officer	Sell	35,000	$219.19	$7,671,650	150,492
2025-01-16	Plisinski Michael P	Director, Chief Executive Officer	Sell	29,900	$211.24	$6,316,076	185,592
2025-01-15	Vedula Srinivas	SVP Customer Success	Sell	827	$205.00	$169,535	15,223
2025-01-14	Plisinski Michael P	Director, Chief Executive Officer	Sell	18,268	$200.09	$3,655,244	217,224
2024-12-01	Dolev Ido	EVP, Prod Solutions Grp	Other	0	—	—	0
2024-12-01	Fiordalice Robert	Sr. Vice President & GM, MBU	Other	0	—	—	0
2024-12-01	BROOKS D MAYSON	Vice President & GM, IBU	Other	0	—	—	0
2024-11-15	Slicer Mark	Chief Financial Officer	Sell	1,100	$160.41	$176,451	10,933
2024-10-25	OH Yoon Ah	SVP, Gen Counsel & Corp Sec	Tax	1,296	$204.39	$264,889	13,014
2024-10-03	YALDAEI RAMIL	Chief Operating Officer	Tax	592	$206.55	$122,278	9,148